GSA Federal Acquisition Service
Search:

For general questions, contact:
FAS National Customer Service Ctr
Phone: 1-800-488-3111
E-mail: ncsccustomer.service@gsa.gov

MAS Multiple Award Schedule
Professional Services - Technical and Engineering Services (non-IT)
Category Description
541330ENG Engineering Services Services include: applying physical laws and principles of engineering in the design, development, and utilization of machines, materials, instruments, processes, and systems. Services may involve any of the following activities: provision of advice, concept development, requirements analysis, preparation of feasibility studies, preparation of preliminary and final plans and designs, provision of technical services during the construction or installation phase, inspection and evaluation of engineering projects, and related services.

NOTE: Services under this SIN cannot include architect-engineer services as defined in the Brooks Act and FAR Part 2, or construction services as defined in FAR Parts 2 and 36.
969 contractors

Download Contractors (Excel)
Display:
  Hold the 'Ctrl' key to select all that apply
Search Contractor T&Cs/Pricelist
Contractor       Contract # Phone City, State Socio-
Economic		 Contractor T&Cs
/Pricelist		 View Catalog
3U TECHNOLOGIES, LLC GS-10F-119AA (936)441-3043 CONROE ,TX s  
4M RESEARCH, INC. 47QRAA19D0094 256-319-4646 HUNTSVILLE ,AL s/w/wo
5-D SYSTEMS, INC.       GS-23F-0322N 512-238-9840 X18 ROUND ROCK ,TX s
A-P-T RESEARCH, INC.       47QRAA21D0040 2563274015 HUNTSVILLE ,AL s
A-TECH CORPORATION 47QRAA18D002K 505-767-1278 ALBUQUERQUE ,NM s
A2 SYSTEMS ENGINEERING, INC. GS-10F-0316X 31046966606 EL SEGUNDO ,CA s/v
A3GEO, INC.       GS-00F-370GA 1-415-425-0247 BERKELEY ,CA s/w/wo/ew/d
AASKI TECHNOLOGY INC       GS-10F-060AA 732-493-1700 ABERDEEN ,MD o
AB CONSULTANTS, INC GS-10F-0403Y (301)306-3091 LANHAM ,MD s/d  
ABACUS TECHNOLOGY CORPORATION GS-00F-191CA 301-215-7593 CHEVY CHASE ,MD o
ABRAHAM WEITZBERG GS-23F-0115N 3012549601 PLEASANTON ,CA s
ABSG CONSULTING INC. GS-00F-026CA 703-351-3715 SPRING ,TX o
ACCURA ENGINEERING AND CONSULTING SERVICES, INC. GS-10F-0251Y 404-241-8722 ATLANTA ,GA s/w/wo/ew/d/8a
ACCURATE MACHINE & TOOL CORPORATION 47QRAA20D0013 2564618063 MADISON ,AL s/w/wo
ACCUSTRATA, INC. 47QSWA20D003F 9494390037 ROCKVILLE ,MD s
ACE AERONAUTICS, LLC 47QRAA20D006L 256-705-0250 EXT. 12 GUNTERSVILLE ,AL s
ACE CONSULTING COMPANY LLC 47QRAA21D003G 8593050895 NICHOLASVILLE ,KY s/dv/d
ACQUIRED DATA SOLUTIONS, INC. GS-00F-228GA 301-984-4193 ROCKVILLE ,MD s
ACQUISITION SYSTEMS ASSOCIATES, INC. 47QRAA19D001V 7039663786 GREAT FALLS ,VA s
ACQUISITION, RESEARCH AND LOGISTICS INC GS-10F-0415X 301-749-1410 LANHAM ,MD s/dv/d
ACTUALIZED BUSINESS SOLUTIONS, INC. 47QRAA20D007J 800-905-6724 CALIFORNIA ,MD s/dv
ADVANCED CONCEPTS AND TECHNOLOGIES INTERNATIONAL, LLC GS-10F-0336L 571-842-2984 WACO ,TX s
ADVANCED CORE CONCEPTS, LLC GS-00F-0005U (937) 426-2808 WARNER ROBINS ,GA o
ADVANCED MANAGEMENT STRATEGIES GROUP, INC. GS-00F-024CA 5713910435 DUMFRIES ,VA s/dv
ADVANCED PROJECT CONSULTING, LLC GS-00F-122GA 478-420-0272 WARNER ROBINS ,GA s/w/wo/ew/dv/d/8a
ADVANCED SCIENCES AND TECHNOLOGIES, LLC GS-10F-0103U (856)719-9001 BERLIN ,NJ s  
ADVANCED TECHNOLOGY LEADERS, INC 47QTCA19D001X 706-627-5895 MARTINEZ ,GA s/w/wo/ew/dv/d/8a
AE3 PARTNERS, INC. 47QRAA19D002R (925)300-5774 SAN FRANCISCO ,CA s/d  
AECOM TECHNICAL SERVICES, INC. GS-00F-188CA 210-296-2000 LOS ANGELES ,CA o
AEGIS TECHNOLOGIES GROUP, LLC, THE GS-10F-0019U 256-922-0802 HUNTSVILLE ,AL s
AERIAL PRODUCTIONS INTERNATIONAL, INC. GS-10F-178AA (520)240-2338 TUCSON ,AZ s  
AERO THERMO TECHNOLOGY, INC. 47QRAA18D00BA 2569221141 HUNTSVILLE ,AL s/w/wo
AEROSPACE BUSINESS DEVELOPMENT ASSOCIATES, INC. GS-00F-312DA 9373181640 FAIRBORN ,OH s/v
AES GROUP INC GS-23F-0250N 303-841-3922 PARKER ,CO s/dv
AFFILIATED ENGINEERS METRO DC, INC.       47QRAA18D00GE 301-509-6730 ROCKVILLE ,MD o
AFG GROUP INC. GS-23F-0371P 703-342-9939 HERNDON ,VA s/w/wo
AFG GROUP INC. 47QRAA20D009J 703-435-0029 HERNDON ,VA s/w/wo
AGEISS INC. 47QRAA19D00BC 720-340-8770 LAKEWOOD ,CO o
AI SIGNAL RESEARCH, INC. GS-10F-0254T 256-551-0008 X39 HUNTSVILLE ,AL s/w
AIR LOGISTICS AND ENGINEERING CONSULTANTS, LLC       47QRAA18D0092 (478)225-9119 WARNER ROBINS ,GA s  
AKIMEKA, LLC GS-00F-147CA 703-329-4724 COLUMBIA ,MD o
ALABAMA A&M UNIVERSITY RESEARCH, INNOVATION, SCIENCE AND ENGINEERING FOUNDATION, INC., THE 47QRAA19D002C (256)372-5866 NORMAL ,AL o    
ALARES CONSTRUCTION INC. 47QRAA18D00GB (617)481-6390 QUINCY ,MA s/dv  
ALEX - ALTERNATIVE EXPERTS, LLC 47QRAA18D003Y 703-547-1665 MARSHALL ,VA s/w/wo/ew/d/8a
ALEXANDRIA INSIGHTS, INC 47QRAA18D003M 7032820121 STAFFORD ,VA s/dv
ALFONSO & ASSOCIATES CONSULTING, INC       GS-10F-0183X 703-639-0668 TYSONS CORNER ,VA s/wo/d
ALION SCIENCE AND TECHNOLOGY CORPORATION GS-00F-064CA (757) 802-0293 BURR RIDGE ,IL o
ALLANA BUICK & BERS, INC.       GS-00F-445GA 3107453287 PALO ALTO ,CA o
ALLEGHENY SCIENCE & TECHNOLOGY CORPORATION GS-10F-053AA 304-319-0044 BRIDGEPORT ,WV s/w/wo/ew/d/8a
ALLEGIENT DEFENSE, INC. GS-35F-244BA 571-447-4482 ARLINGTON ,VA s/v/8a
ALLIANCE POINTE, LLC 47QRAA18D00GY 7038595254 URBANNA ,VA s/w/wo/h
ALLIED MISSION GROUP LLC 47QRAA18D00G8 571-344-0888 LEESBURG ,VA s/d/h
ALLUVIONIC INC. 47QRAA20D003F 5012594288 MELBOURNE ,FL s/w/wo/ew/d/8a
ALPHA BETA TECHNOLOGIES, INC. GS-23F-0109S 256-679-7950 HUNTSVILLE ,AL s/dv
ALPHA CONSTRUCTION AND ENGINEERING CORPORATION GS-23F-0209N 703-450-0800 DULLES ,VA o
ALPHA FACILITIES SOLUTIONS, LLC 47QRAA20D000T 2106013190 SAN ANTONIO ,TX s/dv/d
ALPHASIX CORPORATION 47QRAA19D00B6 703-579-6479 DULLES ,VA o
ALTA VIA CONSULTING LLC GS-00F-007GA 708-466-1935 LOUDON ,TN s/w/wo
ALTAMIRA TECHNOLOGIES CORPORATION 47QRAA19D0027 703-813-2184 MCLEAN ,VA s
ALTUS, LLC GS-10F-0155V (410) 457-8115 DARLINGTON ,MD s
AMAZING GRACE ENTERPRISES GS-10F-010AA 301-809-9716 BOWIE ,MD s/w/wo
AMEE BAY, LLC GS-10F-0255V 843-414-4141 ANCHORAGE ,AK s/d/8a
AMENTUM SERVICES, INC. GS-00F-046CA 301-944-3224 GERMANTOWN ,MD o
AMENTUM TECHNICAL SERVICES LLC 47QRAA20D006B 803-530-1330 AIKEN ,SC o
AMERICAN SYSTEMS CORPORATION GS-35F-500CA 7039685225 CHANTILLY ,VA o
ANALYGENCE, INC. 47QRAA20D005D 301-830-6092 COLUMBIA ,MD s/dv/d/8a
ANALYSIS, PLANNING AND MANAGEMENT INSTITUTE, INC. 47QRAA19D0047 540-321-4888 CULPEPER ,VA o
ANALYTIC SERVICES INC. GS-00F-095CA 7034161304 FALLS CHURCH ,VA o
ANALYTICAL MECHANICS ASSOCIATES, INC. 47QRAA21D002Q (757)865-0000 HAMPTON ,VA s    
ANALYTICAL SERVICES & MATERIALS, INC. 47QRAA21D001S 757-224-6751 HAMPTON ,VA s/w/wo
ANALYTICAL SERVICES, INC.       GS-00F-020DA 703-478-2650 HUNTSVILLE ,AL s/d
ANDERSON ENGINEERING & DESIGN, LLC 47QRAA18D00G0 (240)237-8475 LEXINGTON PARK ,MD s/dv  
ANDERSON ENGINEERING OF MINNESOTA, LLC       47QRAA18D006J 763-412-4000 MINNEAPOLIS ,MN s/dv
ANDREWS CONSULTING SERVICES LLC       47QRAA20D004A 7193227041 BEALETON ,VA s/w/wo
ANDROMEDA SYSTEMS INCORPORATED GS-10F-0300Y 9044028661 VIRGINIA BEACH ,VA s/dv
ANTARES GROUP INCORPORATED       47QRAA19D008S 301-731-1900 X 220 EDGEWATER ,MD s
APOGEE ENGINEERING, LLC GS-10F-0242W 719-418-4981 COLORADO SPRINGS ,CO s/d/8a
APOGEE SOLUTIONS, INC. 47QRAA18D009D 757-549-2645 CHESAPEAKE ,VA s/w/wo
APPLIED INSIGHT, LLC GS-00F-145GA 703-554-1650 TYSONS ,VA o
APPLIED RESEARCH SOLUTIONS, INC GS-00F-135GA 937-912-6100 BEAVERCREEK ,OH s
APPLIED TECHNOLOGIES GROUP, INC. GS-10F-065AA 256-533-3471 HUNTSVILLE ,AL s/w/wo/ew/d/8a
APPLIED TECHNOLOGY, INC. 47QRAA19D00CC 540-663-0050 KING GEORGE ,VA s
APSI CONSTRUCTION MANAGEMENT GS-23F-0054S 949-679-0202 IRVINE ,CA s
APTIVE RESOURCES LLC GS-07F-281BA 571-210-4500 ALEXANDRIA ,VA s/w/wo/ew/dv/d
ARCANUM GROUP, INC., THE GS-10F-0324X 303-693-7263 DENVER ,CO s/dv
ARCHARITHMS, INC. GS-00F-175DA 256-763-8781 HUNTSVILLE ,AL s/h
ARES CORPORATION 47QRAA21D003Z 7037149960 BURLINGAME ,CA o
AREVALOS TRADE COMPANY, LLC 47QRAA21D000L (830)328-0335 SAN ANTONIO ,TX s/d/h    
ARGO SYSTEMS, LLC GS-10F-0335T 410-768-2444 HANOVER ,MD o
ARION SYSTEMS, INC. 47QRAA19D00DS 703-815-1130 X1112 CHANTILLY ,VA s
ARMAND CORPORATION GS-10F-0440X 856-489-8200 NEW YORK ,NY s/w/wo/ew/d
ARORA ENGINEERS, INC. GS-00F-083DA (202)534-1756 CHADDS FORD ,PA s  
ART ANDERSON ASSOCIATES, INC.       GS-10F-0159U 3604795600 BREMERTON ,WA s/v
ASAP, LLC GS-00F-174GA (202)234-8933 GREAT FALLS ,VA s/w/wo  
ASCA, INC.       GS-23F-0049R 3103166249 EXT 105 REDONDO BEACH ,CA s
ASCENSION GLOBAL SOLUTIONS, LLC 47QRAA19D009Y 781-254-9020 NORTH BILLERICA ,MA s/w/wo/dv/d
ASR INTERNATIONAL CORP. GS-00F-283CA 6312311086 HAUPPAUGE ,NY s/d
ASSURED INFORMATION SECURITY, INC. GS-00F-235GA (315)336-3306 ROME ,NY s  
ASU RESEARCH ENTERPRISE 47QRAA18D0082 (480)884-0401 SCOTTSDALE ,AZ o  
AT&T GOVERNMENT SOLUTIONS, INC. GS-00F-350CA 7033429859 OAKTON ,VA o
ATA SERVICES INC GS-23F-0088V 866-550-4282 LAKEWOOD ,CO s/v/d
ATI, INC. 47QRAA18D00E9 410-992-3424 COLUMBIA ,MD s/d/8a
ATKINS NORTH AMERICA, INC. GS-00F-007AA 813-281-4430 TAMPA ,FL o
ATKINS NORTH AMERICA, INC. 47QRAA21D002Z 813 281 4430 TAMPA ,FL o
ATKINSON AERONAUTICS & TECHNOLOGY, INC. 47QRAA18D009W (561)640-9171 FREDERICKSBURG ,VA s/dv  
ATMOSPHERIC AND ENVIRONMENTAL RESEARCH, INC. GS-10F-0313Y 781-761-2380 LEXINGTON ,MA o
AUGUR CONSULTING INC       47QRAA19D003S 7038285295 ARLINGTON ,VA s/dv
AVALON BUSINESS ENGINEERING SERVICES, LLC 47QRAA20D003E 801 668-5823 CLEARFIELD ,UT s/w/wo/ew/dv/d/8a
AVIAN, INC. 47QRAA18D006L 301-866-2070 EXT. #1 LEXINGTON PARK ,MD s/dv
AVIATION & MISSILE SOLUTIONS, LLC GS-23F-0017P 256-713-5903 HUNTSVILLE ,AL o
AVION SOLUTIONS, INC.
(DBA: AVION) 		      GS-00F-0082N 256-721-7006 HUNTSVILLE ,AL s
AVIONICS TEST & ANALYSIS CORPORATION GS-23F-0180N (850)897-5444 NICEVILLE ,FL s/w/wo  
AVMAC LLC       47QMCA20D0043 (757) 995-2029 CHESAPEAKE ,VA s/dv/d/8a
AVNIK DEFENSE SOLUTIONS INC GS-10F-219AA 256-513-5295 HUNTSVILLE ,AL s/w/wo
AVUM, INC. 47QRAA20D001K 310-457-8263 X6001 AGOURA HILLS ,CA s/d
AXIAS, INC. 47QRAA18D004N 7037060423 ALEXANDRIA ,VA s/d
AXIOM CONSULTANTS INC. 47QRAA19D0077 703-599-1502 ROCKVILLE ,MD s/w/wo/ew/d/8a
AZIMUTH CORPORATION GS-10F-0352R 937-256-8571 BEAVERCREEK ,OH o
B3GLOBALCON, LLC       GS-00F-226GA (804)519-9808 MIDLOTHIAN ,VA s/dv/d  
B3H CORPORATION 47QRAA18D0025 (850) 651-3443 SHALIMAR ,FL s/dv
BACIK GROUP LLC GS-00F-017CA 205-358-9851 PELHAM ,AL s/dv
BAE SYSTEMS TECHNOLOGY SOLUTIONS & SERVICES INC. GS-00F-240CA 301-738-5979 ROCKVILLE ,MD o
BAKER PROJECT CONSULTING, LLC GS-10F-0031W 202-468-1957 WASHINGTON ,DC s
BAKR GROUP, L.L.C. GS-10F-0291Y 941-363-0129 SARASOTA ,FL s
BANDWIDTH SOLUTIONS INC
(DBA: BSII GROUP) 		GS-23F-0295P (703)966-4478 MC LEAN ,VA s/w
BANNER DEFENSE, INC. 47QRAA19D004Q 256-970-8795 MADISON ,AL s/dv
BARBARICUM LLC GS-00F-206CA (202) 393-0873 WASHINGTON ,DC o
BASTION TECHNOLOGIES, INC. GS-00F-0040P 281-283-9359 HOUSTON ,TX o
BASTION TECHNOLOGIES, INC. 47QRAA19D007C 281-283-9359 HOUSTON ,TX s/d
BATTELLE MEMORIAL INSTITUTE GS-00F-084CA 614-424-3522 COLUMBUS ,OH o
BAYFIRST SOLUTIONS LLC GS-10F-0356Y 202-541-1010 WASHINGTON ,DC s/d
BB&E, INC. GS-10F-0103N 2484899636 NORTHVILLE ,MI s
BB&E, INC. 47QRAA20D007E 2484899636 NORTHVILLE ,MI s
BCF SOLUTIONS, INC. 47QRAA19D007K 703-239-3928 CHANTILLY ,VA o
BCS, LLC GS-00F-269CA 410-997-7778 WASHINGTON ,DC s
BEACON SYSTEMS, INC 47QRAA18D0091 954-426-1171 CORAL SPRINGS ,FL s/w/wo/ew/d
BENNETT AEROSPACE, INC.       47QRAA20D003H 9196365185 RALEIGH ,NC s/w/wo/ew/v/d/8a
BENNETT ENGINEERING SERVICES INC 47QRAA19D00BU 916-783-4100 ROSEVILLE ,CA s/w/wo/d
BERKELEY RESEARCH GROUP LLC 47QRAA18D006Z 202-480-2700 EMERYVILLE ,CA o
BFA SYSTEMS, INC. GS-10F-0303T 256-704-3201 HUNTSVILLE ,AL s/dv
BIGELOW FAMILY HOLDINGS LLC 47QRAA18D00C5 586-306-8962 STERLING HEIGHTS ,MI s/w/wo/ew/dv/d/8a
BINERA, INC. GS-00F-048CA 757-867-8538 YORKTOWN ,VA s/w/wo/ew
BIZSOLUTIONS 360 GS-10F-213AA 202-588-0560 WASHINGTON ,DC s/d
BLACK DIAMOND CONSULTING CORPORATION GS-00F-292GA 703-434-1886 ASHBURN ,VA s/d
BLACK HALL AEROSPACE, INC. GS-00F-316GA (571)752-1128 HUNTSVILLE ,AL s/dv  
BLUE SKY INNOVATORS INC. 47QRAA20D001N 571-261-6385 FAIRFAX ,VA s
BLUEWATER FEDERAL SOLUTIONS, INC.       47QRAA20D001S 703-371-7914 CHANTILLY ,VA o
BLUMONT ENGINEERING SOLUTIONS, INC. 47QRAA18D00AP (202)600-2571 ARLINGTON ,VA o  
BMT DESIGNERS & PLANNERS, INC. GS-00F-337CA 703-920-7070 ARLINGTON ,VA o
BNA CONSULTING, LLC 47QRAA20D000M (801)781-0016 SALT LAKE CITY ,UT s/d  
BOEING AEROSPACE OPERATIONS, INC. 47QRAA20D0079 314-563-7049 SAINT LOUIS ,MO o
BOHANNAN-HUSTON, INC. GS-00F-0001Y 505-798-7925 ALBUQUERQUE ,NM o
BONHAM TECHNOLOGIES, INC. GS-00F-194GA 256-864-2340 HUNTSVILLE ,AL s/dv
BOOZ ALLEN HAMILTON INC.       GS-00F-008DA 703-377-4359 MCLEAN ,VA o
BOSTON GOVERNMENT SERVICES, LLC GS-00F-013GA (202)262-8098 LENOIR CITY ,TN s/d/8a
BOUNDS ASSOCIATES, LLC GS-10F-115CA 7033450608 ALEXANDRIA ,VA s/dv
BRADSHAW ENGINEERING AND TECHNICAL SERVICES, LLC GS-00F-183DA 256-603-6471 HUNTSVILLE ,AL s
BRANCHPATTERN, INC. 47QRAA21D004X 402-858-2114 LINCOLN ,NE s/d
BRATSLAVSKY CONSULTING ENGINEERS, INC. GS-00F-071CA 9072807619 ANCHORAGE ,AK s
BRILLIGENT SOLUTIONS, INC. 47QRAA18D0062 (937)879-4148 FAIRBORN ,OH s  
BRMI CONSULTING, INC. GS-35F-0490W 443-418-6674 SILVER SPRING ,MD o
BROWN CONSTRUCTION SERVICES INC GS-00F-163CA 703-599-3481 ANNANDALE ,VA s/w/wo
BRYCE SPACE AND TECHNOLOGY, LLC 47QRAA18D00AN 7036472742 ALEXANDRIA ,VA s/w/wo
BSI ENGINEERING, LLC       GS-00F-368GA (513)201-3170 CINCINNATI ,OH s  
BUILDING PEOPLE, LLC, THE GS-00F-237GA (703) 669.2222 LEESBURG ,VA s/d/8a/h
BURDETTE ENGINEERING INC 47QRAA21D003A 864-297-8717 GREENVILLE ,SC s
BURNS ENGINEERING, INC. 47QRAA19D00AF 2156087846 PHILADELPHIA ,PA o
BW SPRAGUE CONSULTING SERVICES, INC. 47QRAA19D0018 (844)470-8802 TAMPA ,FL s/v  
C-P SYSTEMS CORPORATION 47QRAA21D0071 6512567473 MAPLEWOOD ,MN s
C. H. GUERNSEY & COMPANY 47QRAA19D00DM 405-416-8278 OKLAHOMA CITY ,OK o
C2 TECHNOLOGIES INC 47QRAA18D006A 703-752-2139 VIENNA ,VA o
C2 TECHNOLOGY SOLUTIONS INC. GS-35F-272GA 410-794-6792 COLUMBIA ,MD s/d/8a
C4 PLANNING SOLUTIONS, LLC 47QRAA18D006V 706-592-3095 x104 BLYTHE ,GA o  
CACI INC FEDERAL GS-00F-268CA 703-679-3412 CHANTILLY ,VA o
CAMBRIDGE INTERNATIONAL SYSTEMS INC.       47QRAA18D005T 5713198919 ARLINGTON ,VA o
CANVAS, INC. GS-10F-0195Y 256-489-2988 HUNTSVILLE ,AL s/w/wo/h
CANYON CONSULTING, LLC 47QRAA18D0065 (949)351-7235 LOS ANGELES ,CA s/w/wo/ew/d  
CAPABILITY ANALYSIS & MEASUREMENT ORGANIZATION LLC 47QRAA20D0048 937-458-3719; X412 BEAVERCREEK ,OH s/dv
CAPITAL PROJECT MANAGEMENT, INC. GS-10F-0021T 267-464-0500 BLUE BELL ,PA s
CARDNO GS, INC. GS-00F-196CA 9165487783 CHARLOTTESVILLE ,VA o
CASSIDY CONSULTING GROUP, LLC 47QRAA18D007E (703)980-8928 HERTFORD ,NC s/w/wo/d/h
CATALINA ASSOCIATES, LLC 47QRAA21D002N (703)868-8027 GAMBRILLS ,MD s/w/wo/d    
CATALYST SOLUTIONS, LLC       GS-00F-412GA (504)623-5458 STAFFORD ,VA s/dv/d  
CBRE HEERY, INC. 47QRAA19D00AP (404)946-2432 ATLANTA ,GA o
CBRE, INC 47QRAA21D0038 703-980-3881 WASHINGTON ,DC o
CDM FEDERAL PROGRAMS CORPORATION GS-00F-085CA 303-383-2300 FAIRFAX ,VA o
CENTAURI, LLC GS-23F-0076M (703)674-1265 CHANTILLY ,VA s/v  
CENTURUM INFORMATION TECHNOLOGY, INC. 47QRAA19D00AM 843-609-5649 MARLTON ,NJ o
CEPEDA SYSTEMS & SOFTWARE ANALYSIS, INC.       GS-00F-224GA (256) 428-8186 HUNTSVILLE ,AL s/w/wo/ew/d/h
CERVELLO TECHNOLOGIES, L.L.C. 47QRAA18D003E (727) 303-3001 CLEARWATER ,FL s/dv/d
CFD RESEARCH CORPORATION GS-10F-0184Y 256-361-0801 HUNTSVILLE ,AL s
CFR ENGINEERING CONSULTANTS, INC 47QRAA18D00DC 877.871.4229 GAITHERSBURG ,MD s
CGH TECHNOLOGIES, INC. 47QRAA18D00DD 202-580-7401 WASHINGTON ,DC s/w/wo
CGI FEDERAL INC. GS-00F-302CA (703) 227-4882 FAIRFAX ,VA o
CHENEGA TECHNICAL INNOVATIONS, LLC 47QRAA19D0096 703-493-9880 CHANTILLY ,VA o
CHEROKEE NATION MANAGEMENT & CONSULTING, L.L.C. GS-00F-302GA 210-323-4113 CATOOSA ,OK s/d/8a
CHEROKEE NATION RED WING, L.L.C. GS-00F-007DA 918-430-3407 TULSA ,OK s/d/h
CHEROKEE NATION TECHNOLOGY SOLUTIONS, L.L.C. GS-00F-330GA 918-430-3407 CATOOSA ,OK o
CHIMERA ENTERPRISES INTERNATIONAL, INCORPORATED       47QRAA18D0034 (443)739-8187 EDGEWOOD ,MD s/dv
CHITRA PRODUCTIONS GS-00F-271CA 7574950234 NORFOLK ,VA s/w/wo/ew/d/h
CIMARRON SOFTWARE SERVICES, INC.       47QRAA19D004Y 8324033337 HOUSTON ,TX s/w/wo
CINNOVAS DEVELOPMENT GROUP, LLC GS-10F-0248Y (202) 469-3446 WASHINGTON ,DC s/d/h
CINTEL, INC. GS-00F-268GA 256-213-1600 EXT. 10 HUNTSVILLE ,AL s
CITRINE ENERGY LLC 47QRAA19D008Z 303-330-5385 DENVER ,CO s/h
CIVIL DESIGN & ENGINEERING INC GS-10F-263AA (928) 522-9287 FLAGSTAFF ,AZ s/w/wo/d
CLASON POINT PARTNERS INC.       47QRAA20D001W 914-377-0301 YONKERS ,NY s/d/8a
CLIENT SOLUTION ARCHITECTS LLC GS-10F-0051T 619-813-2906 MECHANICSBURG ,PA o
CMT SERVICES, INC. 47QRAA19D008U 2028098785 HYATTSVILLE ,MD s/w/wo/h
CNA CORPORATION, THE 47QRAA18D003X 7038242082 ARLINGTON ,VA o
COASPIRE, LLC 47QRAA20D0037 (703)915-0582 FAIRFAX ,VA s/dv  
COAST AND HARBOR ASSOCIATES, INCORPORATED GS-10F-0013U 7812243870 LYNNFIELD ,MA s/w/d/8a
CODE PLUS INC GS-35F-282CA (703) 846-0030 FAIRFAX ,VA s/w/wo/d/8a
COGENT SECURITY CONSULTING LLC GS-00F-301DA (855) 226-4368 X1 ALEXANDRIA ,VA s
COLSA CORPORATION GS-00F-293CA 2569645276 HUNTSVILLE ,AL o
COLUMBIA GROUP, INC, THE GS-00F-201CA 2026088415 WASHINGTON ,DC s
COMPUTERCRAFT CORPORATION GS-00F-262GA 571-266-3362 WASHINGTON ,DC s/w/wo
CONCORD CONSULTING GROUP OF ILLINOIS, INC., THE 47QRAA21D004D 4142255305 CHICAGO ,IL s
CONCOURSE FEDERAL GROUP, LLC GS-00F-058GA 8439066688 MONETA ,VA s/dv/d/h
CONCURRENT TECHNOLOGIES CORPORATION 47QRAA21D0021 814-269-2871 JOHNSTOWN ,PA o
CONSTRUCTION SUPPORT SOLUTIONS, LLC GS-10F-106BA 440-541-6642 AVON LAKE ,OH s/w/wo
CONSTRUCTION-CAD SOLUTIONS, INCORPORATED 47QRAA19D000X (630)908-3400 WILLOWBROOK ,IL s/d    
CONTRACT SOLUTIONS LLC GS-00F-285CA 703-855-7980 PAWLEYS ISLAND ,SC s
COOPER ZIETZ ENGINEERS, INC GS-10F-0337T 5036529090 PORTLAND ,OR s/v/d/h
CORNERSTONE CONCILIUM, INC GS-00F-0007S (415)705-7800 SAN FRANCISCO ,CA s/d/h
CORNERSTONE SIGNALS & CYBER TECHNOLOGIES LLC       47QRAA19D0003 720-206-6718 CHRISTOVAL ,TX s/w/wo/ew/dv/d
CORNFORTH CONSULTANTS, INC. 47QRAA20D007K 503-452-1100 PORTLAND ,OR s
CORPORATE ALLOCATION SVCS, INC. GS-10F-0311U 303-920-7264 WESTMINSTER ,CO s/w/d/8a
CORTEK, INC. GS-10F-0330X 703-430-8809 FREDERICKSBURG ,VA s/dv
CORTINA SOLUTIONS, LLC GS-00F-205DA 256-319-2024 HUNTSVILLE ,AL s/w/wo/ew/h
CRAFT DESIGNS, INC.       47QRAA18D00A3 2566500536 HUNTSVILLE ,AL s/w/wo/d
CRAIG TECHNICAL CONSULTING, INC. GS-00F-040GA 321-613-5620 MERRITT ISLAND ,FL s/w/wo/ew/dv/d
CRAWFORD CONSULTING SERVICES, INC GS-10F-0252Y 412-823-0400 EAST PITTSBURGH ,PA s/w/wo/d
CREATIVE BUSINESS SOLUTIONS, INC.       47QRAA17D0005 301-509-9954 LARGO ,MD s/dv/d/8a/h
CREATIVE CORRECTIONS, L.L.C. GS-00F-013AA 409-866-9920 BEAUMONT ,TX s/dv
CREDENCE MANAGEMENT SOLUTIONS LIMITED LIABILITY COMPANY GS-10F-0432Y 571-395-8820 VIENNA ,VA s/d/8a
CROSSFLOW TECHNOLOGIES, INC 47QRAA18D008D 2564253680 ALBERTVILLE ,AL s
CROSSROADS SOLUTIONS LP       47QRAA20D005T 2566831939 KILLEN ,AL s
CROSSTEK SOLUTIONS, LLC GS-00F-230GA 334-467-6860 VICKSBURG ,MS s
CROWN CONSULTING, INC. GS-00F-038DA 703-650-0663 ARLINGTON ,VA o
CRS CONSULTING ENGINEERS, INCORPORATED       47QRAA19D004X 801-359-5565 SALT LAKE CITY ,UT s/d
CRUZ ASSOCIATES INC. GS-10F-0379U 757-833-7538 YORKTOWN ,VA s
CSRA LLC GS-00F-313CA (571)446-5340 FALLS CHURCH ,VA o
CULMEN INTERNATIONAL, LLC 47QRAA18D006D 703-224-7000 ALEXANDRIA ,VA o
CURTAIN WALL DESIGN AND CONSULTING, INCORPORATED GS-00F-190GA 972-437-4200 DALLAS ,TX s
CZERO, INC. GS-10F-0081X 9703725775 FORT COLLINS ,CO s
D P ASSOCIATES, INC. GS-10F-0361U 256-837-8300 HUNTSVILLE ,AL s/w/wo/ew/d
D&G SUPPORT SERVICES, LLC GS-00F-131DA 7034033463 WOODBRIDGE ,VA s/w/wo/ew/dv/d
DACK CONSULTING SOLUTIONS, INC. 47QRAA21D005P (703)538-4841 WHITE PLAINS ,NY s/w    
DAMA CONSULTANTS, INC 47QRAA19D0037 (815)979-4407 CHICAGO ,IL s/d/8a/h    
DARKBLADE SYSTEMS CORPORATION GS-00F-012GA 703-409-9439 WINCHESTER ,VA s/dv
DATA MONITOR SYSTEMS, INC. GS-10F-0281P 405-737-7950 MIDWEST CITY ,OK s/dv/d/8a
DAV ENERGY SOLUTIONS GS-00F-314GA (619) 356-1147 SAN DIEGO ,CA s/dv
DAVID CLARK COMPANY INCORPORATED       GS-10F-0467Y 508-751-5841 WORCESTER ,MA s
DAVIDSON BROWN, INC. GS-10F-0279X 7573698403 WILLIAMSBURG ,VA s/d/8a
DAVIDSON TECHNOLOGIES, INC. 47QRAA21D008A (256)327-3169 HUNTSVILLE ,AL o    
DAVIS DEFENSE GROUP, INC. GS-10F-0190R 540-548-5950 STAFFORD ,VA o
DAVIS STRATEGIC INNOVATIONS, INC. GS-10F-225BA 256-489-0550 HUNTSVILLE ,AL s/dv
DAYTON T. BROWN, INC.       47QRAA19D00A4 631-244-6209 BOHEMIA ,NY s
DCS CORPORATION       47QRAA20D006W 5712276226 ALEXANDRIA ,VA o
DCS-MILLENNIUM LLC 47QRAA18D0038 (571)227-6211 ALEXANDRIA ,VA s/dv/d  
DECIBEL RESEARCH, INC GS-10F-0029Y 2564896193 HUNTSVILLE ,AL s
DECISIVE ANALYTICS CORPORATION GS-00F-129CA 7034145016 ARLINGTON ,VA o
DECON ENGINEERING, INC. GS-21F-0004U 7038614930 STERLING ,VA s
DEFENSE ACQUISITION SUPPORT SERVICES L.L.C. 47QRAA19D008L (443)303-3192 ABERDEEN ,MD s/w/wo  
DEFENSE ARCHITECTURE SYSTEMS, INC. GS-00F-291GA 443-831-3055 FULTON ,MD s
DEFENSE ENTERPRISE SOLUTIONS, LLC GS-00F-243GA 2564266335 HUNTSVILLE ,AL s/dv
DEFENSE GROUP LLC GS-00F-0013R 571-299-1048 VIENNA ,VA o
DEFINITIVE LOGIC CORPORATION GS-00F-043CA 703-955-4186 ARLINGTON ,VA s
DEFTEC CORPORATION       47QRAA18D00FY 301-325-5115 HUNTSVILLE ,AL s/w/wo/ew/d
DELAN ASSOCIATES, INC. 47QRAA18D004U (732)921-5867 FREEPORT ,NY s/d  
DELOITTE & TOUCHE LLP GS-00F-029DA 703-251-1642 ARLINGTON ,VA o
DELOITTE CONSULTING LLP 47QRAA18D001P 703-251-1642 ARLINGTON ,VA o
DELTA CONSULTING GROUP, INC. GS-00F-209CA 7035808801 WOODBRIDGE ,VA s/v
DELTA RESEARCH, INC. GS-10F-0246V 256-895-0881 HUNTSVILLE ,AL s
DELTA RESOURCES, INC. GS-10F-0255S 703-581-4164 ALEXANDRIA ,VA o
DELTA SOLUTIONS & STRATEGIES, LLC GS-00F-215CA 931-461-9032 COLORADO SPRINGS ,CO s/dv
DELTASTRAC LLC 47QRAA18D00FE 301-337-0523 NEW WINDSOR ,MD s/dv/d/8a
DESE RESEARCH, INC. 47QRAA19D00CQ 2568378004 HUNTSVILLE ,AL s
DESIGN ALASKA INC GS-00F-361GA (907)452-1241 FAIRBANKS ,AK s  
DIGIFLIGHT INCORPORATED GS-00F-195GA (410) 312-0662 COLUMBIA ,MD s/v/d
DIGITAL MOBILIZATIONS, INC.       47QRAA19D00BP (540)219-9222 WARRENTON ,VA s/d    
DIGITALGLOBE, INC.       47QRAA19D002V 3036841476 WESTMINSTER ,CO o
DIVERSIFIED FACILITY SOLUTIONS, LLC 47QRAA21D0002 513-561-0051 CINCINNATI ,OH s/d/h
DLS ENGINEERING ASSOCIATES, INC. GS-00F-229CA 757-494-5151 VIRGINIA BEACH ,VA s/w/wo
DMR CONSULTING, INC. 47QRAA18D00H2 850-230-3767 PANAMA CITY BEACH ,FL s/w/wo/d
DOMAIN X TECHNOLOGIES LLC 47QRAA18D0069 (703)579-1969 FALLS CHURCH ,VA s/w/wo    
DPRA INCORPORATED 47QRAA19D003T 785-564-6041 KNOXVILLE ,TN s
DRAGOON TECHNOLOGIES, INC. GS-07F-5553R 937-439-9223 DAYTON ,OH s
DS2 LLC 47QRAA19D005F 850-307-2781 NICEVILLE ,FL s/dv
DSD LABORATORIES,INC. 47QRAA20D0084 703-385-5298 SUDBURY ,MA o
DSOFT TECHNOLOGY COMPANY GS-35F-0538W (719)598-7107 COLORADO SPRINGS ,CO s/dv    
DYNAMIC CONCEPTS, INC.       GS-10F-0006U 2569229888 HUNTSVILLE ,AL s
DYNAMIC-PRO INC. GS-10F-0329X 703-665-5085 FALLS CHURCH ,VA s/w/wo/ew/d/8a
DYNAMIS, INC. GS-00F-115DA 703-465-4400 FAIRFAX ,VA o
DYNETICS, INC. GS-00F-045CA 2567135320 HUNTSVILLE ,AL o
E B A ERNEST BLAND ASSOCIATES P C 47QRAA18D002L 301-589-4811 SILVER SPRING ,MD s/d
E3 FEDERAL SOLUTIONS, LLC GS-00F-151CA 571-551-2726 MCLEAN ,VA o
EASTERN RESEARCH GROUP, INC. GS-00F-079CA 7742491622 LEXINGTON ,MA o
ECLIPSE TECHNICAL SYSTEMS, LLC 47QTCA19D00GD (301)529-3734 BALTIMORE ,MD s/d  
ECS FEDERAL, LLC GS-00F-072CA 571-232-1412 FAIRFAX ,VA o
ECS MID-ATLANTIC, LLC 47QRAA19D006M 703-471-4800 CHANTILLY ,VA o
EDGESOURCE CORPORATION 47QRAA18D004S 703-837-0550 ALEXANDRIA ,VA s
EL DORADO ENGINEERING, INC.       47QRAA18D00E6 801-966-8288 WEST JORDAN ,UT s
ELOCEN GROUP LLC, THE 47QRAA18D0076 2406231600 WASHINGTON ,DC s/w/wo/d/8a
ELYON INTERNATIONAL, INC. GS-00F-203GA (360) 696-5892 VANCOUVER ,WA s/w/wo/ew/v/d
ELZLY TECHNOLOGY CORPORATION GS-23F-0167S 703-505-1905 RESTON ,VA o
EMERGENT SPACE TECHNOLOGIES, INC. GS-00F-196DA 301-345-1535 LAUREL ,MD s
ENERGY RESEARCH, INC.       GS-23F-0110M 3018810866 ROCKVILLE ,MD s
ENGENIUSMICRO, LLC 47QRAA19D004K 2562611260X124 HUNTSVILLE ,AL s/h
ENGINEERING AND INFORMATION TECHNOLOGY INC. GS-00F-0062N 609-204-1386 CORAL SPRINGS ,FL s/w/wo
ENGINEERING AND SOFTWARE SYSTEM SOLUTIONS, INC.       GS-10F-0237Y 619-223-3066 SAN DIEGO ,CA s/w/wo
ENGINEERING RESEARCH AND CONSULTING, INC.       47QRAA21D004J (256)327-9162 HUNTSVILLE ,AL o    
ENRGIES, INC GS-10F-0136T (256)337-5519 HUNTSVILLE ,AL s/dv  
ENSCO, INC.       47QRAA20D006C (703)321-4749 SPRINGFIELD ,VA o    
ENTECH ENGINEERING, INC. 47QRAA21D005E 610-373-6667 READING ,PA o
ENTERPRISE INFORMATION SERVICES, LLC GS-00F-182CA 7037525527 VIENNA ,VA o
ENTERPRISE RESOURCE PLANNING INTERNATIONAL, LLC 47QRAA19D009W 3014900080 LAUREL ,MD o
ENVIRON-CIVIL ENGINEERING, LTD GS-00F-317CA (410)461-6451 COLUMBIA ,MD s/d  
ENVIRONMENTAL CONSULTING & TECHNOLOGY, INC.       47QRAA21D005G 352-665-9922 GAINESVILLE ,FL o
ENVIRONMENTAL SCIENCE ASSOCIATES GS-10F-0191M 916.769.9303 SAN FRANCISCO ,CA o
ENVISE 47QSHA20D001D 571-612-4042 STERLING ,VA o
ENVISION INNOVATIVE SOLUTIONS, INC. GS-35F-0222Y 732-722-7435 MANASQUAN ,NJ s/d/8a
EPS CORPORATION GS-00F-015CA 732-747-8277 TINTON FALLS ,NJ o
EPSILON SYSTEMS SOLUTIONS, INC. GS-00F-0035N 619-702-1700 SAN DIEGO ,CA o
EPSILON SYSTEMS SOLUTIONS, INC. 47QRAA21D005F 619-702-1700 SAN DIEGO ,CA o
EQUITY ENGINEERING GROUP, INC., THE 47QRAA21D004W 2162839519 SHAKER HEIGHTS ,OH o
ESCIENCE AND TECHNOLOGY SOLUTIONS, INCORPORATED GS-00F-124GA 301-429-0005 LANDOVER ,MD s/d/8a
ESIMPLICITY, INC. 47QTCA19D00KH 443-963-9363 SILVER SPRING ,MD s/w/wo/ew/d/8a/h
EWING INDUSTRIAL SERVICES, LLC 47QRAA21D000S 3618826525 CORPUS CHRISTI ,TX s/d
EXCELLENCE ENGINEERING, LLC GS-00F-403GA (918)298-5500 TULSA ,OK s/w/wo/d/h  
EXCET, INC. GS-00F-004BA 703-919-0953 SPRINGFIELD ,VA s
EXOSTRATEGIES, INC. GS-10F-0007V 719-649-4414 COLORADO SPRINGS ,CO s
EXPONENT, INC. 47QSMA18D0007 6506887013 MENLO PARK ,CA o
EYP, INC. 47QRAA21D0032 (518)795-3934 ALBANY ,NY o    
F3 SOLUTIONS, LLC GS-10F-195BA 478-971-1343 WARNER ROBINS ,GA s/w/wo/ew/d
FAAC INCORPORATED GS-00F-332CA 734-761-5836 ANN ARBOR ,MI o
FALCONA MANAGEMENT & TECHNOLOGY, L L C GS-00F-272CA (210) 704-1486 SAN ANTONIO ,TX s/d/8a
FIELD MANAGEMENT SERVICES, INC. 47QRAA20D000W 212-628-6860 LOS ANGELES ,CA s
FIRE & RISK ALLIANCE, LLC 47QRAA18D00CT (937)505-3031 CHICAGO ,IL s/d  
FIRST LINE DEFENSE, LLC       47QRAA20D003B 703-677-6491 QUANTICO ,VA s/v/h
FIVE STONES RESEARCH CORPORATION GS-10F-0446X 2569750848 HUNTSVILLE ,AL s/w/wo/ew/d/8a
FORD MANAGEMENT SERVICES LTD GS-10F-0019X 3018774040 UPPER MARLBORO ,MD s/w/wo/ew/d
FORELLA GROUP, LLC GS-00F-070DA 7035602200 CHANTILLY ,VA s/d/8a
FOXHOLE TECHNOLOGY, INC. GS-00F-035GA (703) 291-8354 FAIRFAX ,VA s/dv
FP&C CONSULTANTS KC, LLC 47QRAA20D006Z 8169313377 NORTH KANSAS CITY ,MO s
FRATELLO, INC. GS-10F-0202X (540)596-0695 STEPHENS CITY ,VA s/w/wo  
FREEDOM INFORMATION SYSTEMS, INC.       47QRAA20D0098 813-281-8008 TAMPA ,FL s/w/wo/dv
FREEDOM TECHNOLOGIES INC GS-00F-013CA 703-516-3023 ARLINGTON ,VA s/w/wo
FREW DEVELOPMENT GROUP, LLC 47QRAA20D004W 303-333-1788 DENVER ,CO s
FS3 INC GS-10F-125BA 714.864.8186 SAN CLEMENTE ,CA s/d
FTS INTERNATIONAL, LLC 47QRAA19D0064 703-225-7660 DULLES ,VA s
G2 OPS, INC. 47QRAA18D0002 757-373-7368 VIRGINIA BEACH ,VA s/w/wo/ew/d
GALORATH INCORPORATED       GS-23F-0253S 310-414-3222 EL SEGUNDO ,CA s
GAN CORPORATION GS-10F-0085U 256-489-2471; 4278 HUNTSVILLE ,AL s
GANNETT FLEMING, INC. GS-00F-114CA 703- 277-9506 CAMP HILL ,PA o
GARDINER & THEOBALD, INC. 47QRAA21D007W (212)661-6624 NEW YORK ,NY o    
GARUD TECHNOLOGY SERVICES, INC. GS-10F-179AA 2022561079 ELLICOTT CITY ,MD s/w/wo/ew/d/8a
GASTINGER AND WALKER ARCHITECTS INC GS-10F-0183V 816-421-8200 KANSAS CITY ,MO s
GAUSS MANAGEMENT RESEARCH AND ENGINEERING, INC. GS-10F-0028W 801-475-0243 SOUTH OGDEN ,UT s/v
GBL SYSTEMS CORPORATION 47QRAA19D007F 805-987-4345 CAMARILLO ,CA s
GEBC, LLC 47QRAA20D0057 703-895-6114 HUNTSVILLE ,AL s/dv
GEM TECHNOLOGIES, INC. 47QRAA20D007W 865-660-7339 KNOXVILLE ,TN s/d
GEM TECHNOLOGY INTERNATIONAL, CORP. GS-00F-0001R 305.447.1344 MIAMI ,FL s/w/wo/ew/d
GEMINI INDUSTRIES INC. GS-00F-279CA 781-203-0100 BURLINGTON ,MA s/w/wo
GENCO SYSTEMS, INC. GS-23F-0019P 703-234-5261 HERNDON ,VA s/d/8a
GENCO SYSTEMS, INC. 47QRAA20D001P 703-234-5261 HERNDON ,VA s/d
GENERAL ATOMICS SYSTEMS INTEGRATION, LLC 47QRAA20D003N 801-546-8100 KAYSVILLE ,UT o
GENERAL DYNAMICS INFORMATION TECHNOLOGY, INC. GS-00F-057CA 7039953733 FALLS CHURCH ,VA o
GENERAL INFOMATICS-A SERVICE DISABLED OWNED VETERAN BUSINESS, INC. 47QRAA18D002D 7036505119 MCLEAN ,VA s/dv/d
GENERAL TECHNICAL SERVICES L.L.C.       47QRAA19D006Y 732-979-8870 WALL TOWNSHIP ,NJ s/w/wo
GENESIS ENGINEERING SOLUTIONS, INC. 47QRAA21D0011 240-582-3193 LANHAM ,MD s/d
GENEX SYSTEMS LLC GS-00F-076GA 757-838-5065 NEWPORT NEWS ,VA s/w/wo/d
GEOCENT, L.L.C. 47QRAA18D008N 504-831-1900 METAIRIE ,LA s
GEOCONTROL SYSTEMS, INC. GS-00F-115GA (713)649-8481 HOUSTON ,TX s/w/wo/ew/d/h  
GEOENGINEERS, INC. 47QRAA18D00E3 425.861.6000 REDMOND ,WA o
GEOGRAPHIC INFORMATION SERVICES, INC. 47QRAA19D00BD 2057255836 BIRMINGHAM ,AL o
GEORGE CONSULTING, LTD.       GS-00F-384GA 843-471-1322 DANIEL ISLAND ,SC s
GEORGIA TECH APPLIED RESEARCH CORPORATION       GS-10F-0187T 404-894-6923 ATLANTA ,GA o
GET IT DONE (GID) SOLUTIONS LLC GS-00F-282GA (540)455-7204 BUTLER ,TN s/dv  
GILBANE BUILDING COMPANY GS-23F-0024R 5712532994 PROVIDENCE ,RI o
GLEASON RESEARCH ASSOCIATES INCORPORATED       GS-23F-0253M 2568837000 HUNTSVILLE ,AL s
GLOBAL C2 INTEGRATION TECHNOLOGIES LLC 47QRAA18D0067 (202) 234-8933 LAS VEGAS ,NV s/dv
GLOBAL ENGINEERING & TECHNOLOGY, INC. 47QRAA18D000R (305) 648-1102 MIAMI ,FL s/d
GLOBAL ENGINEERING SOLUTIONS, INC. GS-10F-0160Y 3012162871 BETHESDA ,MD s/w/wo/ew/d
GLOBAL SYSTEMS ENGINEERING, LLC 47QRAA20D0060 703-915-2338 ALEXANDRIA ,VA s/h
GLOBAL SYSTEMS TECHNOLOGIES, INC. GS-10F-0461Y 2155798200 MORRISVILLE ,PA s
GLOBAL TECHNOLOGY AND MANAGEMENT RESOURCES, INC. GS-00F-080GA 301-475-8181 HOLLYWOOD ,MD s/v
GOLDBELT C6, LLC 47QRAA19D00CS (757)550-2121 CHESAPEAKE ,VA s/d/8a
GOLDEN WOLF, LLC 47QRAA19D0067 844-860-9653 LITHIA ,FL s/w/wo/ew/dv/d/8a
GP STRATEGIES CORPORATION 47QRAA21D005R 6672607404 COLUMBIA ,MD o
GRACE & NAEEM UDDIN, INC. 47QRAA20D001X 954-693-0620 SUNRISE ,FL s/w/wo
GRAHAM & ASSOCIATES, INC. GS-00F-034GA (404)209-8959 TUCKER ,GA s/w/wo/ew/8a  
GRANT THORNTON PUBLIC SECTOR LLC 47QRAA19D0085 703-637-2835 ARLINGTON ,VA o
GREEN AND SUSTAINABLE SERVICES, LLC GS-07F-231CA 940-597-3723 PONDER ,TX s/w/wo/ew
GREEN EXPERT TECHNOLOGY INC 47QRAA20D008X 7575155983 HADDONFIELD ,NJ s
GREENDART, INCORPORATED GS-10F-214AA 3102420032 SAN PEDRO ,CA s/h
GREENMAN-PEDERSEN, INC. GS-23F-0032S 518-209-4823 BABYLON ,NY o
GREENMAN-PEDERSEN, INC. 47QRAA21D004M 518-209-4823 BABYLON ,NY o
GREENTREE GROUP, INC. THE GS-00F-180CA 937-490-5512 DAYTON ,OH s
GROUP W INC. GS-00F-069GA 703-752-5841 VIENNA ,VA s
GROVE RESOURCE SOLUTIONS, INC.       GS-10F-0502X 2403983236 FREDERICK ,MD o
GRYPHON MARINE, LLC 47QRAA19D002E 757-763-6612 NORFOLK ,VA o
GRYPHON TECHNOLOGIES, L.C. GS-10F-0284Y 7577636612 WASHINGTON ,DC o
GSD LLC 47QRAA21D0022 7572070809 WILLIAMSBURG ,VA s/v
GSI ENVIRONMENTAL INC. 47QRAA18D009N 5123464474 HOUSTON ,TX o
GUIDEHOUSE LLP GS-00F-045DA 703-656-6381 FALLS CHURCH ,VA o
H2 IT SOLUTIONS, INC. 47QTCA19D004K 407-745-4499 ORLANDO ,FL s/w/wo/ew/d
HAMILTON SUNDSTRAND SPACE SYSTEMS INTERNATIONAL, INC. GS-10F-0439X (860)654-4244 HOUSTON ,TX o  
HANCOCK MANAGEMENT L.L.C. GS-00F-003CA 603-894-5429 DERRY ,NH s/dv
HASSAN WATER RESOURCES, PLC       47QRAA20D007A 804-543-8073 MAIDENS ,VA s
HASSETT & WILLIS ASSOCIATES, LLC GS-10F-0156U (202)734-0753 WASHINGTON ,DC o
HATCH, JOHN M 47QRAA18D001M 425-466-0744 LAGO VISTA ,TX s
HDR ENGINEERING, INC. GS-00F-152CA 303-754-4252 OMAHA ,NE o
HEALTH FACILITY SOLUTIONS COMPANY 47QRAA20D0081 210-881-9714 SAN ANTONIO ,TX s/w/wo/dv
HEBCO, INC. 47QRAA18D00F2 405-672-1461 OKLAHOMA CITY ,OK s/d
HEXAGON US FEDERAL, INC. 47QRAA18D00A2 478-322-3258 HUNTSVILLE ,AL o
HICAPS, INC. GS-00F-014CA (336)665-1234 GREENSBORO ,NC s/dv  
HIGH SIDE TECHNOLOGY LLC 47QTCA20D003B 8435094979 SUMMERVILLE ,SC s
HIGHERECHELON, INC. GS-00F-164GA 256-763-1931 HUNTSVILLE ,AL s/dv
HII MISSION DRIVEN INNOVATIVE SOLUTIONS INC. GS-00F-020CA 703-543-2979 HUNTSVILLE ,AL o
HILL INTERNATIONAL, INC. GS-23F-0035P 202-408-3030 WASHINGTON ,DC o
HILL TECHNICAL SOLUTIONS, INC.       47QRAA18D0056 2569701258 HUNTSVILLE ,AL s/w/wo/h
HOAR PROGRAM MANAGEMENT, LLC 47QRAA19D003V 205-423-3411 BIRMINGHAM ,AL o
HODGES TRANSPORTATION, INC. GS-23F-0062M 7756292000 SILVER SPRINGS ,NV s/h
HOLMES-TUCKER INTERNATIONAL, INC.       GS-10F-0258T 301-866-1701 LEXINGTON PARK ,MD s/v
HUEBER-BREUER CONSTRUCTION CO., INC.       47QRAA18D00H8 (315)476-7917 SYRACUSE ,NY o  
HUMANPROOF, LLC       47QRAA18D009H (202)480-2884 ALEXANDRIA ,VA s  
HX5,, LLC       GS-00F-225GA 8503626551 FORT WALTON BEACH ,FL s/w/wo/dv
HYPERSOFT INC GS-23F-0165P 6369478862 SAINT CHARLES ,MO s/w/wo
ICF INCORPORATED, L.L.C. GS-00F-010CA 703-934-3632 FAIRFAX ,VA o
IDEAL ENGINEERING SOLUTIONS P.S.C.       47QRAA20D005G 787-378-2948 CIDRA ,PR s/d/h
IDEAL INNOVATIONS INCORPORATED       GS-00F-345CA 571-480-5009 ARLINGTON ,VA s/dv
IESE SOLUTIONS 47QRAA19D00B4 3109820302 EL SEGUNDO ,CA s/w/wo/d
IGNITE FUELING INNOVATION, INC. GS-10F-0107V 2562709020 HUNTSVILLE ,AL s/dv/d
INDEPENDENT STRATEGIC MANAGEMENT SOLUTIONS, INC. 47QRAA21D0087 (509)539-3229 RICHLAND ,WA s/w/wo/ew/d/8a    
INDUS TECHNOLOGY INC. 47QRAA18D00DR (619)299-2555 SAN DIEGO ,CA s/dv  
INFLOWLOGISTICS, LLC 47QRAA20D003L 972-523-0401 SAN ANTONIO ,TX s/w/wo/h
INFORMATION AND INFRASTRUCTURE TECHNOLOGIES, INC. GS-00F-031CA 703-478-7658 HERNDON ,VA s/v
INFORMATION SYSTEMS LABORATORIES, INC. 47QRAA21D001U 858-373-2717 VIENNA ,VA s
INNOVATIVE CONSULTING & MANAGEMENT SERVICES, LLC 47QRAA19D000D 3014444100 ROCKVILLE ,MD s/d/8a/h
INSIGHT INTERNATIONAL TECHNOLOGY, LLC       47QRAA19D00BE (256) 551-0414 HUNTSVILLE ,AL s/dv/d
INSIGHT TECHNOLOGY SOLUTIONS, LLC 47QRAA18D0064 301-860-1121 BOWIE ,MD s/w/wo
INTEGRATED SOLUTIONS FOR SYSTEMS, INC. GS-00F-378GA 2566566684 HUNTSVILLE ,AL s
INTEGRATION INNOVATION, INC. GS-00F-210CA 256-562-2978 HUNTSVILLE ,AL s
INTEK INC.       GS-00F-089GA 703-465-2231 ARLINGTON ,VA s
INTELLISOLUTIONS, INC. 47QRAA18D000S 619-683-2139 SAN DIEGO ,CA s/w/wo
INTER-COASTAL ELECTRONICS, LLC GS-00F-0019Y 480-981-6898 MESA ,AZ s
INTERACTIVE PROCESS TECHNOLOGY, LLC GS-00F-0002X 7812225589 BURLINGTON ,MA o
INTERFUZE CORPORATION       GS-10F-0421Y 256-382-9715 HUNTSVILLE ,AL s
INTERIOR SYSTEMS, INC. GS-00F-023CA 202-263-0892 FAIRFAX ,VA s/dv
INTERNATIONAL INFORMATION AND INFRASTRUCTURE PROTECTION GROUP, LLC 47QRAA20D004B 717-891-6720 GETTYSBURG ,PA s/h
INTERNATIONAL TRADE BRIDGE, INC. GS-10F-078BA 9374311900 BEAVERCREEK ,OH s
INTERTEK TESTING SERVICES NA, INC.       GS-10F-0084U 770-280-7431 CORTLAND ,NY o
INTREPID, L.L.C. GS-10F-014AA 2567056830 HUNTSVILLE ,AL s
INTUITIVE RESEARCH AND TECHNOLOGY CORPORATION GS-23F-0343N (256)922-9300 HUNTSVILLE ,AL o  
INTUITIVE RESEARCH AND TECHNOLOGY CORPORATION       47QRAA20D0022 2569229300 HUNTSVILLE ,AL s
INVARIANT CORPORATION GS-23F-0315P 256-885-9794 HUNTSVILLE ,AL s
INVICTUS INTERNATIONAL CONSULTING, LLC       47QRAA19D00C0 703-214-1201 ALEXANDRIA ,VA o
IOMAXIS GS-35F-274AA 703-455-2555 LORTON ,VA s/v
IPARAMETRICS, LLC GS-10F-112CA 678-381-2320 ALPHARETTA ,GA s
IRONARCH TECHNOLOGY LLC 47QRAA19D0043 7039428868 MCLEAN ,VA s/dv
IRONCLAD TECHNOLOGY SERVICES LLC 47QRAA20D000L 757-493-3572 VIRGINIA BEACH ,VA o
IRONMOUNTAIN SOLUTIONS, INC. GS-10F-0390Y 256-428-1922 HUNTSVILLE ,AL s/dv
ISHPI INFORMATION TECHNOLOGIES, INC. 47QRAA18D003S 757-809-2360 SUFFOLK ,VA o
ISPA TECHNOLOGY, LLC GS-00F-232GA 703-822-1862 LITHIA ,FL s
ISSAC CORP GS-10F-0233Y 719-725-6904 COLORADO SPRINGS ,CO s/dv
ITC DEFENSE CORP 47QTCA20D004K 703-842-4852 ARLINGTON ,VA s/h
ITEGRITY, INC. GS-35F-049DA 2022712292 SILVER SPRING ,MD s/d/8a
ITEGRITY, INC.       47QSWA20D0049 2022712292 SILVER SPRING ,MD s/d/8a
ITSC SECURE SOLUTIONS, LLC GS-00F-065GA 3016463206 FAIRFAX ,VA s/w/wo/h
J-DOS INTERNATIONALE, INC. 47QRAA20D0046 (202)726-8650 WASHINGTON ,DC s/w/wo/ew/d  
JACKSON AND TULL, CHARTERED ENGINEERS       47QRAA18D00DJ 2405537005 WASHINGTON ,DC s/d
JACOBS ENGINEERING GROUP INC. GS-00F-0025M (571) 218-1304 ARLINGTON ,VA o
JACOBS TECHNOLOGY INC. GS-00F-038CA 931-455-6400 TULLAHOMA ,TN o
JAKTOOL LLC GS-00F-369GA (609)664-2451 CRANBURY ,NJ s/w/wo/d  
JANUS RESEARCH GROUP, LLC GS-00F-310CA 7063649100 EVANS ,GA o
JARDON & HOWARD TECHNOLOGIES, INCORPORATED GS-00F-0059M 407-381-7797 ORLANDO ,FL o
JAXON ENGINEERING AND MAINTENANCE, INC.       GS-10F-0447Y 7193552048 COLORADO SPRINGS ,CO s/w
JAY SHAPIRO & ASSOCIATES INC.       GS-10F-0091V (908) 470-0444 FAR HILLS ,NJ s
JBS SOLUTIONS INC GS-00F-240GA 256-655-7300 HUNTSVILLE ,AL s/w/wo/ew/d/h
JBZIM PROPERTIES, LLC 47QRAA21D004V (727)831-7585 FRANKFORT ,IL s/d    
JDI GROUP, INC., THE       47QRAA20D002C 419-725-7161 MAUMEE ,OH s/d
JENSEN HUGHES, INC. GS-00F-006CA 425-217-1123 BALTIMORE ,MD o
JGMS GOVERNMENT SERVICES, LLC GS-00F-0014Y 970-254-1354 GRAND JUNCTION ,CO s/d/8a
JJR SOLUTIONS, LLC GS-00F-146GA 9377892552 DAYTON ,OH s/dv
JMA SOLUTIONS LLC 47QRAA18D00GC 202-465-8245 WASHINGTON ,DC o
JMS NAVAL ARCHITECTS, LLC       GS-10F-0181V 860-536-0009 MYSTIC ,CT s/v
JOHN H NORTHROP & ASSOCIATES INC GS-10F-0168T (814) 823-3648 CLIFTON ,VA s/dv
JOHNSON, MIRMIRAN & THOMPSON, INC. GS-00F-194CA 410-329-3100 HUNT VALLEY ,MD o
JOINT RESEARCH AND DEVELOPMENT, INC. GS-10F-0093T 804-965-1561 STAFFORD ,VA s/dv
JOINT VENTURE SOLUTIONS (JVS) LLC GS-00F-099GA 2028700698 MILLERSVILLE ,MD s/dv
JONES & CARTER, INC. 47QRAA20D003D (713)777-5337 BELLAIRE ,TX o  
JONES, JAMES V. GS-10F-0450Y 9492939724 LAGUNA WOODS ,CA s/v
JOVIAN SOFTWARE CONSULTING LLC       47QRAA20D004T (616) 920 0458 GRAND RAPIDS ,MI s/w/wo/d
K2 GROUP, INC. 47QTCA19D00FZ 5714212070 VIENNA ,VA s/dv
KAE CONSULTANTS, INC. GS-00F-052GA (847)605-0080 SCHAUMBURG ,IL s/w    
KAL ARCHITECTS, INC. GS-00F-137GA (703)869-6713 IRVINE ,CA s/w/wo/ew/d  
KALMAN & COMPANY, INC. GS-00F-343CA 757-461-4292 VIRGINIA BEACH ,VA s/w/wo
KARBON ENGINEERING SERVICES, LLC 47QRAA19D00AW (844)470-8802 EDISON ,NJ s    
KBM ENTERPRISES, INC.       GS-23F-0001R 9314689233 HUNTSVILLE ,AL s/w/wo
KBR WYLE SERVICES, LLC       GS-00F-200CA 2569716126 LEXINGTON PARK ,MD o
KCM CONSULTING, LLC 47QRAA18D000F (210)331-7600 SAN ANTONIO ,TX s    
KELLER-BLIESNER ENGINEERING, LLC       47QRAA18D004Q 435-753-5651 LOGAN ,UT s
KEMSYSTEK, LLC 47QRAA20D0047 732-571-6400 ALEXANDRIA ,VA s/w/wo/dv/d
KENIFIC GROUP INC, THE 47QRAA19D00C7 571-636-4002 FAIRFAX ,VA s/d
KENJYA-TRUSANT GROUP, LLC, THE GS-00F-137DA 410-740-4045 COLUMBIA ,MD o
KENNINGTON & GUNENC, LLC GS-00F-441GA (202)439-8657 WASHINGTON ,DC s/w/wo  
KENTCO CORPORATION 47QRAA20D000S 571-665-4199 HERNDON ,VA s/dv
KEVILLE ENTERPRISES, INC GS-23F-0235S (617)482-3888 MARSHFIELD ,MA s/w  
KEYW CORPORATION, THE GS-00F-001DA (703)984-4305 HANOVER ,MD o  
KIHOMAC, INC.       GS-10F-0173T 719-393-5081 RESTON ,VA s/v/d
KIMLEY-HORN AND ASSOCIATES, INC. GS-10F-0501X 919 677-2000 RALEIGH ,NC o
KINETIC METRICS, LLC 47QRAA20D000K 7036476221 ALEXANDRIA ,VA s/d/8a
KMEA 47QRAA20D006G 619-787-0515 NATIONAL CITY ,CA o
KNIGHTO, LLC 47QRAA20D000N 703-779-0900 LEESBURG ,VA s/dv/d/h
KNOWESIS, INC. GS-10F-0165W 571-421-1101 SAN ANTONIO ,TX o
KODA TECHNOLOGIES INC. 47QRAA19D0081 256-509-2710 HUNTSVILLE ,AL s/w/wo/d
KOKUA SUPPORT SERVICES CORPORATION 47QRAA19D0012 757-243-8462 NEWPORT NEWS ,VA s/d
KORD TECHNOLOGIES, LLC GS-10F-0087Y (256)489-2346 HUNTSVILLE ,AL o  
KRAMER CONSULTING SERVICES, PC 47QRAA19D001M 2023399000 WASHINGTON ,DC s
KULJIAN CORPORATION, THE 47QRAA21D002G 2156946464 BRISTOL ,PA s
L3HARRIS TECHNOLOGIES, INC. GS-23F-0058M 321-729-3887 PALM BAY ,FL o
LANMARK TECHNOLOGY INC.       47QRAA19D006S 703-447-3876 CENTREVILLE ,VA s/w/wo/dv/d
LAUNDRY DESIGN GROUP LLC 47QRAA21D007M (855)226-3500 LAS VEGAS ,NV s    
LEIDOS, INC. GS-00F-022CA (571) 526-7305 RESTON ,VA o
LELAND SAYLOR ASSOCIATES INC 47QRAA19D00AZ 415-291-4930 WALNUT CREEK ,CA s/dv
LEONARDO TECHNOLOGIES, INC.       GS-23F-0231R 7409682222X104 SAINT CLAIRSVILLE ,OH s
LEONARDO TECHNOLOGIES, INC.       47QRAA21D000U 7409682222X104 SAINT CLAIRSVILLE ,OH s
LINC RESEARCH, INC 47QRAA20D008M 2565365157 HUNTSVILLE ,AL s/h
LINDAHL REED, INC. 47QRAA18D00GR 541/638-9264 REDMOND ,OR s/w/wo/ew/d/8a
LINK TECHNOLOGIES INC 47QRAA20D0096 301-983-6878 GERMANTOWN ,MD s/w/wo
LINQUEST CORPORATION GS-23F-0113S 323-924-1600 LOS ANGELES ,CA o
LJB INC GS-00F-049CA 937-259-5000 MIAMISBURG ,OH o
LOCH HARBOUR GROUP, INC. 47QRAA19D005R 7036422380 ALEXANDRIA ,VA o
LOCKWOOD GROUP LLC, THE GS-00F-349GA 443-327-7174 BELCAMP ,MD s/dv
LOEWKE BRILL CONSULTING GROUP, INC. 47QRAA20D0019 (585)647-9350 ROCHESTER ,NY s    
LOGAPPS LLC GS-10F-011CA (703) 560/8828 FALLS CHURCH ,VA s/v/d/8a
LOGICORE CORPORATION GS-00F-228CA 2565335789 HUNTSVILLE ,AL s/w
LOGISTICS & ENVIRONMENTAL SOLUTIONS CORPORATION 47QRAA19D00CX 256-971-7165 HUNTSVILLE ,AL s/w/wo
LOGISTICS MANAGEMENT ENGINEERING INC       GS-00F-069CA 410-757-6319 ANNAPOLIS ,MD s
LOGISTICS MANAGEMENT INSTITUTE       GS-00F-0026M (703)917-7524 TYSONS ,VA o  
LOGISTICS MANAGEMENT INSTITUTE       GS-00F-041GA (703)917-7524 TYSONS ,VA o  
LOGISTICS SYSTEMS INCORPORATED GS-35F-0477Y 240-938-7461 WASHINGTON ,DC s/dv/d
LOGLINEAR GROUP, LLC GS-00F-257DA (228)238-1496 WAVELAND ,MS s  
LONGENECKER & ASSOCIATES, INC. GS-00F-258CA 301-651-6951 LAS VEGAS ,NV o
LOYAL SOURCE GOVERNMENT SERVICES LLC 47QRAA18D008T 4075913088 ORLANDO ,FL o
LRS FEDERAL LLC GS-10F-0360T (410) 544-3570 SEVERNA PARK ,MD s/dv
LSINC CORPORATION 47QRAA18D00BC (937)505-3031 HUNTSVILLE ,AL s/w/wo/ew    
LUSTER NATIONAL, INC. 47QRAA21D0044 678-525-8779 BAKERSFIELD ,CA s/v/d
LYNCH CONSULTANTS, LLC GS-00F-118DA 540-834-3490 ARLINGTON ,VA s/dv
LYNKER TECHNOLOGIES LLC GS-00F-125CA 7034315855 LEESBURG ,VA o
M.C. DEAN, INC. 47QSWA19D002W 703-243-6231 X7143 TYSONS ,VA o
MACAULAY-BROWN, INC GS-00F-063CA (937)426-3421 DAYTON ,OH o  
MAN-MACHINE SYSTEMS ASSESSMENT (MSA), INCORPORATED GS-00F-219GA 202-408-0042 ARLINGTON ,VA s/w/wo/ew/d
MANAGEMENT SERVICES GROUP, INC. GS-00F-285DA (757)468-8751 VIRGINIA BEACH ,VA s/w/wo/d  
MANAGEMENT SOLUTIONS, L.L.C. GS-10F-0284R 865-963-0400 KNOXVILLE ,TN s/w/wo/ew/d
MANTECH ADVANCED SYSTEMS INTERNATIONAL, INC. GS-00F-086CA 703-218-6440 HERNDON ,VA o
MANUFACTURING TECHNICAL SOLUTIONS, INC. 47QRAA21D001L 256-890-9090 HUNTSVILLE ,AL s/w/wo
MARINE DESIGN AND OPERATIONS, INC. GS-23F-0233S (908)497-0599 COLONIA ,NJ s  
MARINE SYSTEMS CORPORATION 47QRAA19D006B 617-542-3345 X1112 BOSTON ,MA s
MARK G. ANDERSON CONSULTANTS, INC. GS-00F-212CA 202-942-3904 WASHINGTON ,DC o
MARKON, INC. GS-00F-0012Y 703-884-0028 FALLS CHURCH ,VA s
MARSHALL GROUP LTD ARCHITECTS, THE (INC) GS-29F-0015S 7033260630 RESTON ,VA s/w
MASON LIVESAY SCIENTIFIC, LLC 47QRAA19D00AJ (865)294-4368 OAK RIDGE ,TN s/w/wo/d  
MATRIX DESIGN GROUP, INC. 47QRAA19D009K 5719690495 COLORADO SPRINGS ,CO o
MAXAR MISSION SOLUTIONS INC       GS-35F-481DA 703-439-4772 GAITHERSBURG ,MD o
MAYVIN, INC. GS-10F-0280Y (703) 750-1794 ANNANDALE ,VA s/w/wo
MCCONNELL JONES LANIER & MURPHY LLP GS-10F-0117U 2568901855 HOUSTON ,TX s/d/8a
MCDONOUGH BOLYARD PECK, INC. GS-23F-0095P 6293334012 FAIRFAX ,VA o
MCHENRY MANAGEMENT GROUP, INC., THE GS-10F-0239U 7574100233 CHESAPEAKE ,VA s/v
MCKISSACK GROUP, INC. THE 47QRAA19D003D (212)349-6500 NEW YORK ,NY o  
MCLAUGHLIN RESEARCH CORPORATION       GS-23F-0077M 401-849-4010 NEW LONDON ,CT s
MCR FEDERAL, LLC GS-00F-123CA 703.740.2237 MCLEAN ,VA s
ME AUTOMATION, LLC 47QRAA20D008Y 480-688-4112 SCOTTSDALE ,AZ s/d
MEAD AND HUNT, INC. GS-00F-230DA 906-629-1360 MIDDLETON ,WI o
MEARSCPM, LLC 47QRAA19D0011 (503)680-3792 PORTLAND ,OR s/v  
MEDIADYNE, LLC 47QRAA18D00DY (301)785-3601 GREAT FALLS ,VA s/v  
MELE ASSOCIATES, INC. GS-00F-243CA (240)453-6962 ROCKVILLE ,MD s/v
METRON, INCORPORATED       GS-00F-166DA 7033262870 RESTON ,VA s
MICHAEL BAKER INTERNATIONAL, INC. GS-00F-0032M 703-483-0029 ALEXANDRIA ,VA o
MICHAEL K. SWIM, CONSULTING ENGINEER, INC       47QRAA18D00DF 636-530-7770 CHESTERFIELD ,MO s
MICROCOM DESIGN, INC. GS-10F-0213W 410-771-1070 COCKEYSVILLE ,MD s
MICROWAVE PACKAGING TECHNOLOGY, INC. 47QRAA18D000T (310)980-3039 MURRIETA ,CA s/h  
MILLENNIUM CORPORATION GS-10F-0141W 703-436-1346 ARLINGTON ,VA s/dv/d
MILLENNIUM ENGINEERING AND INTEGRATION LLC       47QRAA20D0092 7034137765 ARLINGTON ,VA s/v
MILLER ENGINEERS, INC. 47QRAA21D007C (505)325-7535 ALBUQUERQUE ,NM o    
MILVIAN SOLUTIONS, LLC       47QRAA18D008C (915)892-4585 EL PASO ,TX s/dv/d  
MINDMESH INC 47QRAA19D004B (713)489-7798 HOUSTON ,TX s/w/wo/8a  
MINO MARINE, L.L.C. GS-00F-249GA 504-218-8162 NEW ORLEANS ,LA s
MIRACORP, INC. GS-10F-233AA 571-589-8970 MESA ,AZ s/w/wo/ew/dv/d
MISSION1ST GROUP, INC GS-10F-102BA 5714097133 ARLINGTON ,VA o
MISSIONFOCUS LLC GS-10F-149AA 703-291-6721 MCLEAN ,VA s
MLT SYSTEMS LLC GS-10F-0168W 5403186383 STAFFORD ,VA s/dv
MOBIUS CONSULTING, LLC GS-00F-088GA 571-445-6320 ALEXANDRIA ,VA s/w/wo/ew/h
MOCA SYSTEMS, INC. GS-00F-255CA 850-389-8121 BOSTON ,MA s
MODERN TECHNOLOGY SOLUTIONS, INC.       47QRAA20D0036 703-564-3824 ALEXANDRIA ,VA s
MONTE SANO RESEARCH CORPORATION       47QRAA18D006B 2567053527 HUNTSVILLE ,AL s
MORSECORP, INC 47QRAA18D00A1 8579990420 CAMBRIDGE ,MA s
MPR ASSOCIATES, INC. 47QRAA19D0078 703-519-0200 ALEXANDRIA ,VA o
MSB ANALYTICS, INC. GS-00F-305DA 256-726-0045 HUNTSVILLE ,AL s/w/wo/d
MSI DEFENSE SOLUTIONS, LLC GS-10F-180BA 704-660-8348 MOORESVILLE ,NC s
MSS SERVICES, INC. GS-10F-0204V 240-832-4143 GERMANTOWN ,MD s/d/8a
MTA, INC. GS-23F-0039P 256-801-9106 HUNTSVILLE ,AL s/w/wo
MTI SYSTEMS, INC. GS-00F-007BA (518)894-2538 GREENBELT ,MD s/w/wo/d  
NANORACKS, LLC 47QRAA18D004R (832)632-7754 WEBSTER ,TX s  
NAVARRO RESEARCH AND ENGINEERING, INC. GS-00F-0092N 865-220-9650 OAK RIDGE ,TN s/w/wo/d
NAVIGATE BUILDING SOLUTIONS LLC 47QRAA19D002F (314)713-6205 SAINT LOUIS ,MO s  
NAVIGATOR DEVELOPMENT GROUP, INC. 47QRAA21D001X (334) 347-7612 ENTERPRISE ,AL s/dv
NAVIGATOR INTERNATIONAL, LLC GS-00F-393GA 334-348-1550 HUNTSVILLE ,AL s/dv
NCI INFORMATION SYSTEMS, INC. GS-00F-263CA 703-707-6730 RESTON ,VA o
NDI ENGINEERING COMPANY GS-23F-0161M (856)848-0033 THOROFARE ,NJ s  
NELSON ENGINEERING CO. GS-00F-324CA 3214491128 MERRITT ISLAND ,FL s
NETCENTRIC TECHNOLOGY, LLC 47QRAA19D00AU 703-478-2650 WALL ,NJ s/d
NETORIAN GS-35F-266AA 4439003800 ABERDEEN ,MD s
NETWORK SENSING TECHNOLOGIES, LLC GS-00F-006HA (850)684-0033 FORT WALTON BEACH ,FL s  
NEWPORT PARTNERS, THE, LLC GS-00F-007CA (301) 889-0017 DAVIDSONVILLE ,MD s
NEXAGEN NETWORKS INC GS-00F-066GA 732-598-1277 MORGANVILLE ,NJ s/w/d
NICHOLS CONSULTING ENGINEERS, CHTD. 47QRAA18D008A 7753294955 RENO ,NV s
NIKA TECHNOLOGIES, INC. GS-23F-0010R 3017703520 ROCKVILLE ,MD s/d
NIKA TECHNOLOGIES, INC. 47QRAA21D0064 3016796525 ROCKVILLE ,MD s/d
NLOGIC, LLC GS-00F-239CA 256-704-2513 HUNTSVILLE ,AL s
NLT CORPORATION GS-00F-098DA (703) 912-3130 SPRINGFIELD ,VA s/d
NLT MANAGEMENT SERVICES LLC 47QRAA21D0056 713-504-5270 EWING ,NJ s/d
NOBLIS, INC. GS-00F-096DA (703) 610-2290 RESTON ,VA o
NOETIC STRATEGIES, INC. 47QRAA18D00H6 2563471560 HUNTSVILLE ,AL s/w/wo/ew/d/h
NORTHINGTON CONSULTING, LLC       47QRAA18D0083 (256) 651-3333 HUNTSVILLE ,AL s/dv
NORTHROP GRUMMAN SYSTEMS CORPORATION GS-00F-128CA 703-713-4588 MCLEAN ,VA o
NOU SYSTEMS, INC. GS-00F-143DA 256-327-5541 HUNTSVILLE ,AL s/w/wo
NOWAK & FRAUS, P.L.L.C. 47QRAA21D002J (412)404-6235 PONTIAC ,MI s    
NTA, INC. GS-10F-0132W (256) 327-4103 HUNTSVILLE ,AL s
NTT DATA SERVICES FEDERAL GOVERNMENT LLC       47QRAA19D0069 703-289-8161 HERNDON ,VA o
OASIS SYSTEMS, LLC 47QRAA18D006F 781-879-1447 BURLINGTON ,MA s
OASYS, INC. GS-00F-182DA 2568019025 HUNTSVILLE ,AL s
OCEAN ASSOCIATES, INCORPORATED GS-10F-0567P 703-388-9548 ARLINGTON ,VA s/w/wo
OCH TECHNOLOGIES, LLC 47QRAA19D005Q 7038643479 LEESBURG ,VA s/d/8a
OCKMAN & BORDEN ASSOCIATES       GS-00F-443GA (610)566-1241 MEDIA ,PA s  
OCMI INC 47QRAA18D008M 9494762094 IRVINE ,CA s/dv/d
ODYSSEY SPACE RESEARCH L L C GS-23F-0382P 281-488-7953 HOUSTON ,TX s/wo
ODYSSEY SYSTEMS CONSULTING GROUP, LTD. GS-10F-0254U 781.399.5807 WAKEFIELD ,MA o
OHIO TECHNOLOGY CLEARINGHOUSE, INCORPORATED GS-10F-0038W 2564892623 HUNTSVILLE ,AL s
OLD DOMINION UNIVERSITY RESEARCH FOUNDATION GS-10F-097CA (757)683-7224 NORFOLK ,VA o  
ONEIDA TOTAL INTEGRATED ENTERPRISES, LLC 47QRAA20D009B 414-257-4200 MILWAUKEE ,WI s/d
ORBIS SIBRO, INC. GS-23F-0185N 843-971-9390 CHARLESTON ,SC s/w
ORION SOLUTIONS, LLC       47QRAA21D006E (904)394-0934 JACKSONVILLE ,FL s/dv    
OST, INC. 47QRAA18D0090 (202)466-8099 MCLEAN ,VA o  
OTAK, INC. GS-10F-0401X 503-287-6825 PORTLAND ,OR o
OUTFIT INC., THE       47QRAA18D00EL 8305343178 NEW BRAUNFELS ,TX s/w/wo
OUTREACH PROCESS PARTNERS, LLC       GS-00F-0008W (800) 517-1137 X6 BETHESDA ,MD s/w/wo/ew/d
OVERLOOK SYSTEMS TECHNOLOGIES, INC. GS-10F-0100T 7039724368 VIENNA ,VA s
P3I, INCORPORATED 47QTCA20D000K 508-435-7882 HOPKINTON ,MA s/w/wo/v
PAGNOTTA ENGINEERING INC. 47QRAA19D0016 (859)572-4482 EXTON ,PA s    
PARRA CONSULTING GROUP, INC 47QRAA19D00B9 240-686-6042 MIDDLETOWN ,MD s/dv/d/8a/h
PARSONS GOVERNMENT SERVICES INC. 47QRAA19D000A (210) 477-1616 PASADENA ,CA o
PARTNER ASSESSMENT CORPORATION 47QRAA18D00EE 7738405070 TORRANCE ,CA o
PATRONA CORPORATION 47QRAA19D009E 603-506-6154 WASHINGTON ,DC s
PCCI, INC. 47QRAA18D00HE 703-229-1110 ALEXANDRIA ,VA o
PCI STRATEGIC MANAGEMENT, LLC 47QRAA20D002Z 443-430-0123 COLUMBIA ,MD s/v
PD SYSTEMS, INC. GS-00F-331CA (703)778-7699 SPRINGFIELD ,VA o  
PEERLESS TECHNOLOGIES CORPORATION GS-00F-355CA 937-490-5006 FAIRBORN ,OH o
PEOPLETEC, INC. GS-10F-0114T 256-319-3876 HUNTSVILLE ,AL s/w/wo
PERDUCO GROUP, INC., THE 47QRAA18D000L 323-924-1587 BEAVERCREEK ,OH o
PEREGRINE TECHNICAL SOLUTIONS, LLC 47QRAA18D0016 808-796-1364 YORKTOWN ,VA s/d/8a
PERIKIN ENTERPRISES, LLC GS-00F-003AA 505-333-0501 ALBUQUERQUE ,NM s/d/8a/h
PERSPECTA AEROSPACE & DEFENSE INC. GS-23F-0207P 256-922-6783 HUNTSVILLE ,AL o
PHASED N RESEARCH, INC       47QRAA21D001V 2567974631 HUNTSVILLE ,AL s/h
PINNACLE SOLUTIONS, INC. GS-00F-0017X 256-498-1388 HUNTSVILLE ,AL o
PIONEERING EVOLUTION, LLC       GS-00F-219DA 571-357-1901 ARLINGTON ,VA s
PLANATE MANAGEMENT GROUP LLC GS-23F-058AA 703-585-1079 ALEXANDRIA ,VA s/dv
PMA CONSULTANTS, L.L.C. 47QRAA19D003Y 7344187913 DETROIT ,MI o
POLARIS SENSOR TECHNOLOGIES, INC. GS-00F-198GA 256 562 0087 X 2264 HUNTSVILLE ,AL s/w/wo
POND & COMPANY GS-00F-363GA 404-748-4758 PEACHTREE CORNERS ,GA o
POOLE FIRE PROTECTION, INC. 47QSWA19D007M 913-829-8650 OLATHE ,KS s/w/wo
POTOMACWAVE CONSULTING, INC. GS-00F-0007X 703-963-5064 ALEXANDRIA ,VA o
PPT SOLUTIONS, INC. GS-00F-422GA 256-319-0423 HUNTSVILLE ,AL s
PRECISE SYSTEMS, INC. 47QTCA20D007Q 301-737-7100 LEXINGTON PARK ,MD o
PRECISION SCHEDULING CONSULTANTS, LLC GS-00F-253DA 210-380-5691 SAN ANTONIO ,TX s/dv
PRECISION TECHNOLOGIES, INC. 47QRAA18D00DZ (301)591-2442 GAITHERSBURG ,MD s/w/wo/d  
PREFERRED PROGRAM SOLUTIONS INC 47QRAA18D009S 256-350-5983 MADISON ,AL s/dv
PRESCIENT EDGE CORPORATION 47QRAA18D00CU 202-557-1589 MC LEAN ,VA s/v
PRETALEN LTD       GS-00F-229GA (513)739-5347 DAYTON ,OH s/w/wo/d  
PRIMETECH INTERNATIONAL, INC. 47QRAA18D00CY 816-759-0431 NORTH KANSAS CITY ,MO s/w/wo/d/8a
PRINTED CIRCUITS CORP. 47QRAA20D007N 770-638-8658 LILBURN ,GA s/d
PRKK, L.L.C. 47QRAA18D006N 3032463377 STUART ,FL s
PROCLEARED, LLC 47QRAA19D005W 540-422-1202 CHANTILLY ,VA s/v
PROCON CONSULTING LLC GS-00F-247CA (571)384-2403 ARLINGTON ,VA s  
PRODIMS LLC 47QRAA20D001F 425-828-0500 KIRKLAND ,WA s
PRODUCTIVITY APEX, INC. GS-10F-0266U (407)222-1256 WINTER PARK ,FL s/w/wo/d/8a  
PROFESSIONAL ANALYSIS INC GS-10F-0078T 7035668025 ALEXANDRIA ,VA s/v
PROFESSIONAL PROJECT SERVICES, INC. GS-00F-112CA 865.220.4377 OAK RIDGE ,TN s
PROFESSIONAL, ACQUISITION, AND TECHNICAL SERVICES, INC. GS-23F-0277L 703-416-1304 FALLS CHURCH ,VA s/v
PROJECT CONTROLS GROUP, INC. 47QRAA17D0001 314-647-0707 SAINT LOUIS ,MO s/d
PROJECT ENHANCEMENT CORPORATION       GS-00F-0004T 240-686-3059 GERMANTOWN ,MD s
PROJECT SERVICES GROUP, LLC GS-00F-120CA 770-454-0396 SUWANEE ,GA s/d/8a
PROJECT SOLUTIONS GROUP, INC. GS-00F-367GA 7035630480 CHANTILLY ,VA s
PROJECT SOLUTIONS, INC. GS-00F-025DA 60573670377 RAPID CITY ,SD s/w/wo/ew/d
PROJECT SUPPORT SERVICES, INC. GS-00F-108CA 352-288-0216 SUMMERFIELD ,FL o
PROJECT TIME & COST, LLC 47QRAA19D003A 7702000192 ATLANTA ,GA s
PROMODEL CORPORATION GS-00F-421GA 860-608-5389 OREM ,UT s
PROSOURCE CONSULTING, L.L.C. GS-10F-0123T (703)754-7400 GAINESVILLE ,VA s/w/wo/d  
PROTECTION STRATEGIES INCORPORATED 47QRAA18D0049 (865) 294-5101 KNOXVILLE ,TN s/dv
PURVIS SYSTEMS INCORPORATED GS-10F-0191X (401)849-4750 QUEENS VILLAGE ,NY s  
QED SYSTEMS LLC 47QRAA18D00A9 443-360-4504 ABERDEEN PROVING GR ,MD s
QED SYSTEMS, INC. GS-00F-059CA 757-490-5021 VIRGINIA BEACH ,VA o
QINETIQ INC. 47QRAA18D00AA 5406582720 EXT 1441 LORTON ,VA o
QTEC, INC GS-23F-0255M 256 8837994 X 101 HUNTSVILLE ,AL s/wo
QUALIS CORPORATION GS-10F-0025U 256-327-3512 HUNTSVILLE ,AL s/w/d
QUALITY INNOVATION, INC. 47QRAA18D000E 703-382-6207 AUSTIN ,TX s/dv/h
QUANTITATIVE SCIENTIFIC SOLUTIONS, LLC 47QRAA19D004D 703-468-1277 ARLINGTON ,VA s
QUANTITECH INC GS-23F-0320N 256-652-7025 HUNTSVILLE ,AL o
QUANTUM RESEARCH INTERNATIONAL, INC. 47QRAA19D00A9 256-971-1800, X145 HUNTSVILLE ,AL s
QUASARS INCORPORATED       GS-00F-106GA (202)863-4431 WASHINGTON ,DC s/w/wo  
R & B STUDIO LLC GS-00F-355GA (301)509-2092 BETHESDA ,MD s  
R C M TECHNOLOGIES, INC.       47QRAA18D00F0 301-986-1412 PENNSAUKEN ,NJ o
R2C LIMITED LIABILITY COMPANY GS-00F-306GA 256-799-2363 HUNTSVILLE ,AL s/dv
R2T, INC. GS-00F-129GA (770)569-7038 ATLANTA ,GA s/w/wo/ew/d  
R3 STRATEGIC SUPPORT GROUP, INC. GS-10F-0116Y (865) 816-4164 CORONADO ,CA s/dv
RADIAL SOLUTIONS INC 47QRAA21D008F (256)305-2810 HUNTSVILLE ,AL s/dv/d/8a    
RADIANCE TECHNOLOGIES, INC.       47QRAA19D008B 256-489-8960 HUNTSVILLE ,AL s
RADIANTBLUE TECHNOLOGIES, INC. GS-10F-0046V 571-521-8840 COLORADO SPRINGS ,CO o
RAYTHEON COMPANY GS-00F-177CA (520) 302-7772 WALTHAM ,MA o
RED CANYON SOFTWARE, INC       GS-00F-044GA (303)864-0556 DENVER ,CO s/v/h  
RED GATE GROUP, LIMITED, THE GS-10F-0262X (703)214-2824 CHANTILLY ,VA s/dv  
REDHORSE CORPORATION GS-07F-134GA 619-241-4609 SAN DIEGO ,CA s/dv/d/8a
REDHORSE CORPORATION       GS-00F-0013Y 619-241-4609 SAN DIEGO ,CA o
REED ENTERPRISE CONSULTING LLC       47QRAA18D00EP 2566040975 HUNTSVILLE ,AL s/dv/h
RESEARCH TRIANGLE INSTITUTE GS-00F-354CA 919-541-6543 RESEARCH TRIANGLE P ,NC o
RESPEC COMPANY, LLC GS-00F-0078N (605) 394-6400 RAPID CITY ,SD o
RHINO FIRE PROTECTION ENGINEERING, PLLC GS-10F-0194Y 7034765034 RESTON ,VA s
RICARDO DEFENSE, INC. GS-10F-0212T 805-882-1884 X110 GOLETA ,CA s
RIGGINS COMPANY, L.C. 47QRAA18D005R 757-826-0525 HAMPTON ,VA s
RIMKUS ANALYTICS, L.L.C. GS-10F-0277Y (713)621-3550 HOUSTON ,TX o  
RIVERSIDE RESEARCH INSTITUTE 47QRAA19D00CN 937-427-7009 NEW YORK ,NY o
RIVERSIDE TECHNOLOGY, INC. GS-00F-0026P 9702149419 FORT COLLINS ,CO o
RMA ARCHITECTS, P.S.C. 47QRAA19D009A (404)551-7855 SAN JUAN ,PR s/w/wo/d  
RMF ENGINEERING, INC., P.C. 47QRAA21D007Y 410-576-0505 BALTIMORE ,MD o
ROBERT AND COMPANY GS-00F-210GA 4045774000 ATLANTA ,GA s/dv
ROCCOMAR, INC. 47QTCA21D00C2 (240)832-7762 FALLS CHURCH ,VA s/w/wo/ew/d/8a    
ROCK ENGINEERING LLC       GS-00F-319GA (860)841-7106 SOUTH WINDSOR ,CT s  
ROCKWOOD COMPANY LLC 47QRAA18D0018 2028416634 WASHINGTON ,DC s/w/wo
ROUNDTABLE DEFENSE, LLC GS-10F-0231Y (540)379-6707 FREDERICKSBURG ,VA s/dv  
S2 ANALYTICAL SOLUTIONS, LLC 47QRAA19D006L 571-306-0715 HERNDON ,VA s/v
S5 SOLUTIONS, INC. 47QRAA19D00CT (425)232-6277 MUKILTEO ,WA s  
SA TECHNICAL SERVICES, INC. 47QRAA19D00BL (850)613-6085 NICEVILLE ,FL s/dv
SABRE SYSTEMS, INC. GS-00F-178CA 215-347-1458 WARMINSTER ,PA o
SAGE SERVICES GROUP, LLC 47QREA21D0008 240-380-3504 BOWIE ,MD s/w/wo/ew
SAIN ENGINEERING ASSOCIATES, INC. 47QRAA20D000V 205-909-4990 BIRMINGHAM ,AL s
SAMES, INC. GS-00F-298GA 9567028880 MCALLEN ,TX s/d/8a/h
SAMS CONTRACTING CONSULTING AND TRAINING LLC GS-00F-309DA 210-788-1034 SAN ANTONIO ,TX s/dv/d
SAVILLS INC. GS-00F-165CA 202-624-8540 WASHINGTON ,DC o
SAVIT CORPORATION 47QRAA21D006Z 973-602-3829 ROCKAWAY ,NJ s
SAWDEY SOLUTION SERVICES, INC. 47QRAA18D00AL 9374904071 BEAVERCREEK ,OH o
SAYRES AND ASSOCIATES CORPORATION GS-00F-027CA (202)355-0922 WASHINGTON ,DC o  
SCAVET TECHNOLOGIES LLC GS-10F-087BA 856-218-9496 BLACKWOOD ,NJ s/dv
SCHAFER GOVERNMENT SERVICES, LLC 47QRAA19D0021 7577636612 ARLINGTON ,VA o
SCIENCE AND TECHNOLOGY ASSOCIATES, INC.       47QRAA19D0082 703-522-5123 ARLINGTON ,VA s
SCIENCE AND TECHNOLOGY CORPORATION 47QRAA21D0061 757-766-5819 HAMPTON ,VA s
SCIENCE APPLICATIONS INTERNATIONAL CORPORATION GS-00F-002CA 703-676-8723 RESTON ,VA o
SCIENCE SYSTEMS AND APPLICATIONS, INC. GS-23F-0102N 301-867-6316 LANHAM ,MD s
SCIENTIFIC & BIOMEDICAL MICROSYSTEMS, LLC GS-10F-0497X 703-848-8850 GLEN BURNIE ,MD s
SCIENTIFIC RESEARCH CORPORATION 47QRAA21D0085 (770)989-9466 ATLANTA ,GA o    
SCITECH SERVICES, INC. GS-02F-0259X 443-303-3623 HAVRE DE GRACE ,MD s
SDS INTERNATIONAL, INC. GS-00F-0077M 540-424-5926 FREDERICKSBURG ,VA s/dv
SDS INTERNATIONAL, INC.       47QRAA21D004U 540-424-5926 FREDERICKSBURG ,VA s/dv
SEI GROUP, INC. 47QRAA19D001U 256-533-0500 HUNTSVILLE ,AL o
SELECTTECH SERVICES CORPORATION GS-23F-0283L 9374389905 CENTERVILLE ,OH s/w/wo
SELF TECHNOLOGIES, INC.       47QRAA19D001D 256-535-9517 OWENS CROSS ROADS ,AL s/w/wo
SEMPER VALENS SOLUTIONS, INC. 47QTCA19D00DW 941-716-7883 CANYON LAKE ,TX s/dv
SENSOR CONCEPTS AND APPLICATIONS, INC. GS-10F-0240Y 4439558899 GLEN ARM ,MD s/w/wo
SENTAR, INC.       GS-10F-095AA 256-430-0860 HUNTSVILLE ,AL s/w/wo
SENTINEL CONSULTING, LLC 47QRAA20D005P 888-793-9380 NEW YORK ,NY s/d
SERCO INC. GS-00F-193CA 703.263.6000 HERNDON ,VA o
SERES ENGINEERING & SERVICES LLC 47QRAA18D00ES (843) 216-8531 CHARLESTON ,SC s/d/8a
SERVO INNOVATIONS, LLC 47QRAA19D00B3 269-792-9279 WAYLAND ,MI s
SEV1TECH INC       GS-10F-0008V 7036629778 WOODBRIDGE ,VA o
SEVAN MULTI-SITE SOLUTIONS LLC 47QRAA18D0072 (708)670-9966 DOWNERS GROVE ,IL s/v  
SEVATEC INC. GS-10F-0142W 571-766-1300 FAIRFAX ,VA o
SEVENTH SENSE CONSULTING, LLC GS-00F-102GA 5712416331 WOODBRIDGE ,VA s/dv/d/8a
SHAPEFIDELITY, INC.       GS-00F-284GA 2562137841 HUNTSVILLE ,AL s/w/wo
SHARMA & ASSOCIATES INC       GS-10F-0027T 708-588-9871 HINSDALE ,IL s/d
SHERPA 6, INC. 47QRAA21D000A 703-260-8188 X188 LITTLETON ,CO s/dv
SIGMA SCIENCE, INC. 47QRAA18D005Q 505-389-2201 ALBUQUERQUE ,NM s/d/8a
SIGMA SPACE LLC GS-00F-175GA 301-552-6027 LANHAM ,MD o
SIGMARIVER INC. 47QRAA18D00GH 610-793-4390 FRONT ROYAL ,VA s/dv
SIGMATECH, INC. GS-00F-060CA 256-319-9212 HUNTSVILLE ,AL s
SIGNALINK, INC GS-00F-038GA 256-715-6744 MADISON ,AL s/w/wo/v
SIGNATURE SCIENCE, LLC GS-00F-105CA (877) 474-4724 AUSTIN ,TX o
SIGNATURE SOLUTIONS, INC.       GS-00F-207GA 2565081961 HUNTSVILLE ,AL s
SIMULATION TECHNOLOGIES, INC.       GS-10F-100BA 256-428-2904 HUNTSVILLE ,AL s/wo
SIRIS LLC 47QRAA19D00CA 8439013540 MOUNT PLEASANT ,SC s/dv/d
SJH ENGINEERING PC GS-10F-0477X 7323290500 PRINCETON ,NJ s/d
SKANSKA USA BUILDING INC. GS-00F-332GA (540)423-2860 ROCKVILLE ,MD o  
SKJEI TELECOM, INC. GS-23F-0286P 703-917-9882 FALLS CHURCH ,VA s
SOBRAN, INC. GS-00F-220CA 703-352-9511 X 298 BEAVERCREEK ,OH o
SOL ENGINEERING SERVICES, LLC GS-00F-223GA 601-961-1415 JACKSON ,MS s/d/h
SOLIDUS TECHNICAL SOLUTIONS, LLC 47QRAA21D000C 781-538-0616 LEOMINSTER ,MA s/w/wo/v
SONALYSTS, INC.       GS-00F-351CA 860-326-3652 WATERFORD ,CT o
SOS INTERNATIONAL LLC GS-00F-234CA 703-774-1790 RESTON ,VA o
SOUTHERN RESEARCH INSTITUTE GS-10F-0185Y 2055812873 BIRMINGHAM ,AL o
SOUTHWEST RESEARCH INSTITUTE GS-23F-0006M (210)522-2230 SAN ANTONIO ,TX o  
SPAARK, INC       47QTCA20D00D0 7176582429 CHAMBERSBURG ,PA s/w/wo/ew/h
SPACE EXPLORATION TECHNOLOGIES CORP.       47QRAA21D007N (424)400-1726 HAWTHORNE ,CA o    
SPACE METRICS, INC.       GS-00F-299GA 202-860-0004 WASHINGTON ,DC s/d
SPACE SYSTEMS INTEGRATION, LLC 47QRAA20D001A (703)380-9376 GREAT FALLS ,VA s    
SPACEFLIGHT, INC GS-00F-036DA 866-342-9934 SEATTLE ,WA o
SPATIAL ENGINEERING, INC. GS-35F-070AA 912-826-6688 RINCON ,GA s
SPECIAL AEROSPACE SERVICES GS-10F-0456X 303-747-3413 BOULDER ,CO s/w/wo/ew/d/8a
SPECTRA TECH, INC. GS-00F-264CA 865-813-2131 OAK RIDGE ,TN s
SPECTRUM CENTER GOVERNMENT SERVICES, LLC 47QRAA19D001F 703-752-0462 MCLEAN ,VA s/w/wo
SPECTRUM COMM INC. GS-00F-318CA 757-224-7500 NEWPORT NEWS ,VA o
SPECTRUM INC 47QRAA18D00F5 865-806-7577 OAK RIDGE ,TN s/v/d
SPORIAN MICROSYSTEMS INC       47QRAA18D00BN 303-516-9075 LAFAYETTE ,CO s
SRA INTERNATIONAL, INC. GS-00F-256CA (703) 995-3733 CHANTILLY ,VA o
SRC, INC. 47QRAA19D005N 3154528165 NORTH SYRACUSE ,NY o
SSFM INTERNATIONAL, INC       47QRAA18D00ET (808)531-1308 HONOLULU ,HI s  
SSOE, INC. GS-00F-006AA (419)255-3830 TOLEDO ,OH o  
STANTEC CONSULTING SERVICES INC. 47QRAA19D000Q 916-418-8338 BROOMFIELD ,CO o
STANTON ENGINEERING SERVICES LLC 47QRAA18D0078 (410)290-9301 COLUMBIA ,MD s  
STARGATES, INC. GS-00F-0033Y 703-465-7955 ARLINGTON ,VA s/w/wo/ew
STELLAR SOLUTIONS, INC. 47QRAA18D00FQ 703-657-2734 PALO ALTO ,CA s/w/wo
STEMBOARD, LLC 47QRAA20D0039 703-884-2121 ARLINGTON ,VA s/w/wo/ew/d/8a
STR CONSULTING       GS-10F-0457X (312)242-4159 CHICAGO ,IL s  
STRATA G, LLC GS-00F-004CA 8659343400 KNOXVILLE ,TN o
STRATA-G SOLUTIONS, LLC GS-10F-0287W 2567054316 HUNTSVILLE ,AL s/d
STRATAGEM SOLUTIONS, INCORPORATED 47QRAA20D004V 2569198208 HUNTSVILLE ,AL s/v
STRATEGIC ALLIANCE BUSINESS GROUP LLC GS-10F-0316P 703-717-5620 FAIRFAX ,VA s/w/wo/ew/dv
STRATEGIC ALLIANCE CONSULTING INC. GS-00F-372GA 703-224-8880 WARRENTON ,VA s/dv
STRATEGIC ANALYSIS, INC. GS-00F-342CA 703-797-2288 ARLINGTON ,VA o
STRATEGIC MANAGEMENT SOLUTIONS, LLC 47QRAA19D008M 505-907-6593 ALBUQUERQUE ,NM s
STRATEGIC TECHNOLOGY INSTITUTE INC GS-00F-164CA 301-770-7077 ROCKVILLE ,MD s/d
STRATEGIC VENTURES CONSULTING GROUP, LLC GS-00F-071GA (703)634-3673 FALLS CHURCH ,VA s/dv  
STRATITIA INC. 47QRAA19D006J 3017885924 SPRINGFIELD ,VA s
STREET LEGAL INDUSTRIES, INC 47QRAA19D00A7 865-483-6373 OAK RIDGE ,TN s/w/wo/ew/d/8a/h
STUDDIFORD TECHNICAL SOLUTIONS, LLC 47QRAA20D006Y 2032060533 ALEXANDRIA ,VA s
SUMMER CONSULTANTS INC GS-10F-0230Y (703)556-8820 MCLEAN ,VA s  
SUMMIT TECHNICAL SOLUTIONS LLC GS-10F-0347T 719-309-6312 COLORADO SPRINGS ,CO s/w/wo/v
SURF TO SNOW ENVIRONMENTAL RESOURCE MANAGEMENT, INC. 47QRAA21D000B 925-362-3114 SAN RAMON ,CA s/dv/d
SURVICE ENGINEERING COMPANY, LLC, THE       GS-23F-0012M 410-273-7722 BELCAMP ,MD o
SUSQUEHANNA VALLEY ENGINEERING GROUP, INC. 47QRAA18D003V 7178855532 DALLASTOWN ,PA s
SUTHERTON, INC. 47QRAA19D006Z (914)235-9300 NEW ROCHELLE ,NY s    
SYMVIONICS, INC GS-23F-0357N 626-305-1400 X 228 ARCADIA ,CA s
SYNEREN TECHNOLOGIES, CORPORATION 47QRAA18D005W 3018300529 ARLINGTON ,VA s/w/wo/ew/d
SYNERGISTICS, INC. 47QRAA19D000Y (800) 875-7921 KENNEWICK ,WA s/d
SYNERGY BUSINESS INNOVATION & SOLUTIONS INC. 47QRAA19D0042 571-375-7723 RESTON ,VA s/d/8a
SYNTEK TECHNOLOGIES INC.       47QRAA20D009C 7035221025 FAIRFAX ,VA s/w/wo
SYSTEM DYNAMICS INTERNATIONAL INCORPORATED GS-23F-0033P 256-895-7153 HUNTSVILLE ,AL s/w/wo
SYSTEM STUDIES & SIMULATION, INC 47QRAA19D005Y 256-539-1700 X1117 HUNTSVILLE ,AL s/w/wo
SYSTEMATIC MANAGEMENT SERVICES, INC. GS-00F-241CA 3013530072 FREDERICK ,MD s
SYSTEMS KINETICS INTEGRATION GS-00F-288CA 4435347723 MARSTONS MILLS ,MA s/dv
SYSTEMS PLANNING AND ANALYSIS, INC. GS-00F-186CA 703-399-7017 ALEXANDRIA ,VA o
SYSTEMS PRODUCTS AND SOLUTIONS, INC.       GS-00F-137CA 256-382-7734 HUNTSVILLE ,AL s/w/wo
SYSTEMS TECHNOLOGIES, INC.       GS-00F-0002U 732-571-6400 WEST LONG BRANCH ,NJ s
SYSTEMS TECHNOLOGY & RESEARCH, INC. GS-23F-0246M 256-529-2799 HUNTSVILLE ,AL s/d
T3W BUSINESS SOLUTIONS, INC. 47QRAA19D000N 6192980888 SAN DIEGO ,CA s/w/wo
TALSON SOLUTIONS, LLC 47QRAA20D0025 215-592-9634 EXT 102 PHILADELPHIA ,PA s/d
TARGETED APPROACH LLC 47QRAA20D004Z (703)725-8087 ALEXANDRIA ,VA s/dv/d
TAURI GROUP, INC., THE       GS-00F-0006V 571-209-2652 ALEXANDRIA ,VA o
TEAMWORKNET, INC GS-23F-0182R (863)327-1080 LAKELAND ,FL s  
TEC SOLUTIONS LLC 47QRAA21D002W 703-926-0094 MCLEAN ,VA s
TEC-MASTERS INC. GS-00F-0004X 256-830-4000 HUNTSVILLE ,AL s/d
TECH7 CONSULTING, LLC 47QRAA21D0059 719-896-1770 MONUMENT ,CO s/dv/d/8a
TECHFLOW, INC. GS-10F-005AA 858-412-8000 SAN DIEGO ,CA o
TECHFLOW, INC. 47QTCA19D0048 858-412-8000 SAN DIEGO ,CA o
TECHNI-CORE ENGINEERING INC       GS-00F-0036M 2567040234 HUNTSVILLE ,AL s/w/wo
TECHNI-CORE ENGINEERING INC 47QRAA20D009E 2567040234 HUNTSVILLE ,AL s/w/wo
TECHNICAL AND PROJECT ENGINEERING, LLC GS-10F-0026S 703-924-4015 ALEXANDRIA ,VA o
TECHNICAL SYSTEMS INTEGRATION, INC. GS-00F-237CA 7039559575 NORFOLK ,VA s/dv
TECHNOLOGY ASSOCIATES, INC. GS-00F-020GA 504-282-6166 NEW ORLEANS ,LA s/d
TECHNOLOGY PROJECT MANAGERS, INC.       47QTCA19D00ER 202-374-2700 SILVER SPRING ,MD s/d/8a
TECHNOLOGY SECURITY ASSOCIATES, INC. GS-00F-171GA 301-866-0295X330 CALIFORNIA ,MD s/dv
TECHNOLOGY SERVICE CORPORATION GS-23F-0240S 301-576-2372 ARLINGTON ,VA o
TECHNOLOGY VENTURES, INC. 47QSMA21D08Q0 5865736000 WARREN ,MI s/w/wo/dv/d
TECHNOMICS, INC. GS-00F-103DA 571-366-1428 ARLINGTON ,VA s