GSA Federal Acquisition Service
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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.
1092 contractors

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Contractor       Contract # Phone City, State Socio-
Economic		 Contractor T&Cs
/Pricelist		 View Catalog
3U TECHNOLOGIES, LLC GS-10F-119AA 301-452-3152 CONROE ,TX s
4M RESEARCH, INC. 47QRAA19D0094 2563194646 HUNTSVILLE ,AL s/w/wo
5-D SYSTEMS, INC.       GS-23F-0322N 512-238-9840 X18 ROUND ROCK ,TX s
5TH DYMENSION SOLUTIONS, LLC 47QRAA23D001X 858-220-2417 ALEXANDRIA ,VA s
74 WELD, INC 47QRAA22D00C0 619-286-6656 EL CAJON ,CA s
A-P-T RESEARCH, INC.       47QRAA21D0040 2563274015 HUNTSVILLE ,AL 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
ABACUS TECHNOLOGY CORPORATION GS-35F-720GA 301-215-7593 CHEVY CHASE ,MD o
ABACUS TECHNOLOGY CORPORATION GS-00F-191CA 301-215-7593 CHEVY CHASE ,MD o
ABSG CONSULTING INC. GS-00F-026CA 703-351-3715 SPRING ,TX o
ABT, INC. GS-23F-0109S 256-679-7950 HUNTSVILLE ,AL s/dv
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 (256)461-8063 MADISON ,AL s/w/wo  
ACCUSTRATA, INC. 47QSWA20D003F (240)399-4192 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
ACQCENTRIC, INC. 47QRAA22D0026 256-665-7813 HUNTSVILLE ,AL s/w/wo/ew/dv/d/8a
ACQUIRED DATA SOLUTIONS, INC. GS-00F-228GA 301-984-4193 ROCKVILLE ,MD s
ACQUISITION SYSTEMS ASSOCIATES, INC. 47QRAA19D001V (703)966-3786 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
ACUITY - PT&C, LLC 47QRAA19D003A 7702000192 RESTON ,VA s
ADVANCED CONCEPTS AND TECHNOLOGIES INTERNATIONAL, LLC       47QRAA22D002J 703-418-0636 WACO ,TX s
ADVANCED CORE CONCEPTS, LLC GS-00F-0005U (937) 426-2808 TAMPA ,FL 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 TECHNOLOGY LEADERS, INC 47QTCA19D001X 706-627-5895 MARTINEZ ,GA s/w/wo/ew/dv/d/8a
ADVENT SVCS LLC 47QRAA22D00DB 850-441-2913 PANAMA CITY ,FL s/dv/d/8a/h
AE3 PARTNERS, INC. 47QRAA19D002R (925)300-5774 OAKLAND ,CA s/d  
AECOM TECHNICAL SERVICES, INC. GS-00F-188CA 512-419-5738 LOS ANGELES ,CA o
AEGIS PROJECT CONTROLS CORP. 47QRAA22D000S 240-454-1573 SILVER SPRING ,MD s
AERIAL PRODUCTIONS INTERNATIONAL, INC. GS-10F-178AA 520-820-1024 TUCSON ,AZ s
AERO THERMO TECHNOLOGY, INC. 47QRAA18D00BA 2569221141 HUNTSVILLE ,AL s/w/wo
AEROSPACE BUSINESS DEVELOPMENT ASSOCIATES, INC. GS-00F-312DA 9373181640 BEAVERCREEK ,OH s/v
AES GROUP, INC. GS-23F-0250N (303)841-3922 PARKER ,CO s/dv  
AES GROUP, INC. 47QRAA22D00DR 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 720-439-4322 LAKEWOOD ,CO o
AI SIGNAL RESEARCH, INC. GS-10F-0254T 256-551-0008 X39 HUNTSVILLE ,AL s
AIR LOGISTICS AND ENGINEERING CONSULTANTS, LLC       47QRAA18D0092 4789514404 WARNER ROBINS ,GA s
AKF GROUP LLC 47QRAA22D0023 804-273-8318 NEW YORK ,NY o
AKIMEKA, LLC GS-00F-147CA 703-329-4724 COLUMBIA ,MD o
ALABAMA A&M UNIVERSITY RESEARCH, INNOVATION, SCIENCE AND ENGINEERING FOUNDATION, INC., THE 47QRAA19D002C 2563724940 NORMAL ,AL o
ALAN MARGOLIN & ASSOCIATES CONSULTING ENGINEERS AND ARCHITECTS, D.P.C. 47QRAA22D00E2 212-867-6720 NEW YORK ,NY s
ALARES CONSTRUCTION INC. 47QRAA18D00GB (617)481-6390 QUINCY ,MA s/dv  
ALEX - ALTERNATIVE EXPERTS, LLC 47QRAA18D003Y 703-547-1665 MARSHALL ,VA s/w/wo
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 MC LEAN ,VA o
ALL HANDS ON TECH LLC 47QTCA22D006A 202-997-3220 SPRINGFIELD ,VA s/w/wo/d
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
ALLEGIENT DEFENSE, INC. GS-35F-244BA 8139909799 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 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 GS-35F-307AA 703-579-6479 STERLING ,VA o
ALPHASIX CORPORATION 47QRAA19D00B6 703-579-6479 STERLING ,VA o
ALTA VIA CONSULTING LLC GS-00F-007GA 708-466-1935 LOUDON ,TN o
ALTAMIRA TECHNOLOGIES CORPORATION 47QRAA19D0027 703-813-2100 MC LEAN ,VA s
ALTUS, LLC GS-10F-0155V (410) 457-8115 DARLINGTON ,MD s
AM PIERCE & ASSOCIATES, INC. 47QRAA22D006D 240-718-3814 CALIFORNIA ,MD s/w/wo
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 301-944-3132 GERMANTOWN ,MD o
AMENTUM TECHNICAL SERVICES LLC 47QRAA20D006B 803-530-1330 AIKEN ,SC o
AMERICAN CMG SERVICES, INC.       47QRAA22D005A 757-548-5296 CHESAPEAKE ,VA s/w/wo/ew/8a
AMERICAN SYSTEMS CORPORATION GS-35F-500CA 7039685068 CHANTILLY ,VA o
ANALYGENCE, INC. 47QRAA20D005D 301-830-6092 COLUMBIA ,MD s/dv/d/8a
ANALYTIC ACQUISITIONS LLC 47QTCA19D0071 5087352177 SILVER SPRING ,MD s/w/wo
ANALYTIC SERVICES INC. GS-00F-095CA 7034161304 FALLS CHURCH ,VA o
ANALYTICAL MECHANICS ASSOCIATES, INC. 47QRAA21D002Q 256.830.4811 X 112 HAMPTON ,VA s
ANALYTICAL SERVICES & MATERIALS, INC. 47QRAA21D001S 757-224-6751 HAMPTON ,VA s/w/wo
ANALYTICAL SERVICES, INC.       GS-00F-020DA 571-418-9792 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
ANDROMEDA SYSTEMS INCORPORATED GS-10F-0300Y 904-402-8652 VIRGINIA BEACH ,VA o
ANTARES GROUP INCORPORATED       47QRAA19D008S 301-363-2792 EDGEWATER ,MD s
APOGEE ENGINEERING, LLC GS-10F-0242W 5406568037 COLORADO SPRINGS ,CO s/d/8a
APOGEE SOLUTIONS, INC. 47QRAA18D009D 757-549-2645 CHESAPEAKE ,VA s/w/wo
APPLIED ENGINEERING SERVICES, INC. 47QTCA23D0051 (661)349-6769 RIDGWAY ,CO s    
APPLIED INSIGHT, LLC GS-00F-145GA 703-215-8211 RESTON ,VA o
APPLIED MATERIALS TECHNOLOGIES INC.       47QRAA23D004D (630)212-7261 NAPERVILLE ,IL s    
APPLIED RESEARCH SOLUTIONS, INC GS-00F-135GA 937-912-6100 BEAVERCREEK ,OH s
APPLIED TECHNOLOGIES GROUP, INC. GS-10F-065AA 240-718-3814 HUNTSVILLE ,AL s/d/8a
APPLIED TECHNOLOGY, INC. 47QRAA19D00CC 540-663-0050 KING GEORGE ,VA s
APPLIED THERMAL COATINGS INC 47QRAA23D001J 423-267-0972 CHATTANOOGA ,TN s/d
APSI CONSTRUCTION MANAGEMENT GS-23F-0054S 949-679-0202 IRVINE ,CA s
APSI CONSTRUCTION MANAGEMENT 47QRAA22D00DQ 9492808234 IRVINE ,CA s/d
APTIVE RESOURCES LLC GS-07F-281BA 703-598-0697 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 MCLEAN ,VA 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
ARORA ENGINEERS, INC. GS-00F-083DA (202)534-1756 CHADDS FORD ,PA s  
ARRO CONSULTING INC 47QRAA22D00A7 (717)686-4688 LITITZ ,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 ENGINEERING GROUP, LLC 47QTCA22D001G (719) 900-3275 COLORADO SPRINGS ,CO s/dv
ASCENSION GLOBAL SOLUTIONS, LLC 47QRAA19D009Y 781-254-9020 NORTH BILLERICA ,MA s
ASR INTERNATIONAL CORP. GS-00F-283CA 6312311086 HAUPPAUGE ,NY s/d
ASTRAL ENGINEERS, P.C. 47QRAA23D001C 909-566-0717 ONTARIO ,CA s/dv/d
ASU RESEARCH ENTERPRISE 47QRAA18D0082 4808840402 SCOTTSDALE ,AZ 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. 47QRAA21D002Z 813 281 4430 TAMPA ,FL o
ATKINSON AERONAUTICS & TECHNOLOGY, INC. 47QRAA18D009W 540-760-7499 FREDERICKSBURG ,VA s/dv
ATLAS TECHNOLOGIES, INC. 47QRAA22D0028 843-725-2285 NORTH CHARLESTON ,SC s/v
AUGUR CONSULTING INC       47QRAA19D003S 7038285295 ARLINGTON ,VA s/dv
AVALON BUSINESS ENGINEERING SERVICES, LLC 47QRAA20D003E (801) 447-1623 CLEARFIELD ,UT s/w/wo/ew/dv/d/8a
AVANTUS FEDERAL LLC GS-00F-151CA 571-551-2726 MCLEAN ,VA o
AVIAN, LLC 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. 47QRAA22D0091 256-721-7006 HUNTSVILLE ,AL o
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. 47QTCA21D00DR (310) 457-8263 X6001 AGOURA HILLS ,CA s/d
AXIAS, INC. 47QRAA18D004N 202-403-7728 ALEXANDRIA ,VA s
AXIENT LLC GS-23F-0320N 256-652-7025 HUNTSVILLE ,AL o
AXIENT LLC       47QRAA20D0092 2567990669 ARLINGTON ,VA o
AXIOM CONSULTANTS INC. 47QRAA19D0077 703-599-1502 ROCKVILLE ,MD s/w/wo/ew/d/8a
AZIMUTH CORPORATION 47QRAA23D001M 937-256-8571 BEAVERCREEK ,OH s/w/wo
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 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. 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 o
BB&E, INC. GS-10F-0103N 2484899636 NORTHVILLE ,MI s
BB&E, INC. 47QRAA20D007E 2484899636 NORTHVILLE ,MI s
BC TECHNICAL CENTER, LLC 47QRAA23D001A 540-239-8934 LUTZ ,FL s
BCE SOLUTIONS LLC 47QRAA22D003Z 304-282-1828 FAIRMONT ,WV s/d
BCS, LLC GS-00F-269CA 410-997-7778 WASHINGTON ,DC s
BEACON SYSTEMS, INC 47QRAA18D0091 954-426-1171 CORAL SPRINGS ,FL s/d
BENNETT AEROSPACE, INC.       47QRAA20D003H 919-636-5185 RALEIGH ,NC s/w/wo/ew/v/d/8a
BENNETT ENGINEERING SERVICES INC 47QRAA19D00BU (859)442-3300 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 & VEATCH SPECIAL PROJECTS CORP. 47QRAA23D0020 (913)458-6611 OVERLAND PARK ,KS o    
BLACK DIAMOND CONSULTING CORPORATION GS-00F-292GA 703-599-6266 ASHBURN ,VA s/d
BLACKHAWK ENTERPRISE INCORPORATED 47QTCA22D0016 5404717378 WAYNESBORO ,VA s/w/wo
BLACKROCK AUTOMATION INC.       47QRAA23D002S (346)231-0332 HOUSTON ,TX s    
BLUE SKY INNOVATORS INC. 47QRAA20D001N 571-261-6385 FAIRFAX ,VA s
BLUE WING SERVICES, INC. 47QRAA22D000W (651)333-0208 SAINT PAUL ,MN s/w    
BLUEHALO LLC GS-10F-0019U 256-922-0802 HUNTSVILLE ,AL o
BLUEWATER FEDERAL SOLUTIONS, INC.       47QRAA20D001S 5712936554 CHANTILLY ,VA o
BLUMONT ENGINEERING SOLUTIONS, INC. 47QRAA18D00AP 703-778-4256 ARLINGTON ,VA o
BMT DESIGNERS & PLANNERS, INC. GS-00F-337CA 703-920-7070 ARLINGTON ,VA o
BOEING AEROSPACE OPERATIONS, INC. 47QRAA20D0079 314-563-7049 SAINT LOUIS ,MO o
BOHANNAN-HUSTON, INC. GS-00F-0001Y 505-798-7925 ALBUQUERQUE ,NM o
BOOZ ALLEN HAMILTON INC.       GS-00F-008DA 7033774359 MCLEAN ,VA o
BOSTON GOVERNMENT SERVICES, LLC GS-00F-013GA 202-262-8098 LENOIR CITY ,TN o
BOUNDS ASSOCIATES, LLC GS-10F-115CA 703-944-7066 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
BRETT LLC 47QRAA21D00A6 757-325-7056 BRISTOW ,VA s/dv/d
BRILLIGENT SOLUTIONS, INC. 47QRAA18D0062 410-844-4526 FAIRBORN ,OH o
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
BROWN TECHNOLOGIES INCORPORATED 47QRAA22D00BR 256-653-8546 HUNTSVILLE ,AL s/w/wo/ew/d/8a/h
BRYCE SPACE AND TECHNOLOGY, LLC 47QRAA18D00AN 703-647-2742 ALEXANDRIA ,VA s/w/wo
BSI ENGINEERING, LLC       GS-00F-368GA 5132013100 CINCINNATI ,OH o
BTAS INC       47QRAA20D006J 937931-9431 BEAVERCREEK ,OH s/w/wo
BUILDING PEOPLE, LLC, THE GS-21F-056CA 703-669-2222 LEESBURG ,VA s/d/8a/h
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
BUZZDOC LLC       47QRAA22D00CB 9254655137 TAMPA ,FL s
C-P SYSTEMS CORPORATION 47QRAA21D0071 6512567473 MAPLEWOOD ,MN s
C. H. GUERNSEY & COMPANY 47QRAA19D00DM 405-416-8155 OKLAHOMA CITY ,OK o
C2 TECHNOLOGIES INC 47QRAA18D006A 7034487946 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
CAPABILITY ANALYSIS & MEASUREMENT ORGANIZATION LLC 47QRAA20D0048 937-458-3719; X412 BEAVERCREEK TOWNSHI ,OH s/dv
CAPITAL PROJECT MANAGEMENT, INC. GS-10F-0021T 267-464-0500 BLUE BELL ,PA s
CAPITAL PROJECT MANAGEMENT, INC. 47QRAA23D000A 267-464-1532 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 301-938-7098 GAMBRILLS ,MD s/w/wo/d
CATALYST GROUP OF COMPANIES LIMITED LIABILITY COMPANY, THE 47QRAA22D00DA 7327896860 WEST WINDSOR ,NJ s/d
CATALYST SOLUTIONS, LLC       GS-00F-412GA (504)623-5458 STAFFORD ,VA s/dv  
CBRE HEERY, INC. 47QRAA19D00AP (404)946-2432 ATLANTA ,GA o
CBRE, INC 47QRAA21D0038 312-937-1239 WASHINGTON ,DC o
CDM FEDERAL PROGRAMS CORPORATION GS-00F-085CA 303-383-2300 FAIRFAX ,VA o
CDO CONSULTING SERVICES LLC 47QRAA23D0029 2566552516 MADISON ,AL s/dv/d
CENTAUR CONSULTING GROUP LLC 47QRAA22D00DL 240 338-1705 GLENN DALE ,MD s/d
CENTRA TECHNOLOGY, INC. 47QTCA19D0011 7812727892 ARLINGTON ,VA o
CENTURIA CORPORATION 47QTCA23D001X 571-438-9666 RESTON ,VA s/dv
CENTURUM INFORMATION TECHNOLOGY, INC. 47QRAA19D00AM (703)415-9384 MARLTON ,NJ o  
CEPEDA SYSTEMS & SOFTWARE ANALYSIS, INC.       GS-00F-224GA (256) 428-8186 HUNTSVILLE ,AL s/w/wo/d/h
CERVELLO GLOBAL CORPORATION 47QRAA18D003E (727) 303-3001 SAFETY HARBOR ,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-35F-281DA 7032274652 FAIRFAX ,VA o
CGI FEDERAL INC. GS-00F-302CA 703-227-4652 FAIRFAX ,VA o
CHENEGA PROFESSIONAL & TECHNICAL SERVICES, LLC       47QTCA20D002Y 703-447-1370 CHESAPEAKE ,VA s/d/8a
CHENEGA TECHNICAL INNOVATIONS, LLC 47QRAA19D0096 703-493-9880 CHANTILLY ,VA o
CHEROKEE NATION MANAGEMENT & CONSULTING, L.L.C. GS-00F-302GA 918-430-3407 CATOOSA ,OK o
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 4437398187 EDGEWOOD ,MD s/dv
CHITRA PRODUCTIONS GS-00F-271CA 7574950234 VIRGINIA BEACH ,VA s/w/wo/ew/d/h
CIMARRON SOFTWARE SERVICES, INC.       47QRAA19D004Y (281)226-5100 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 2564311237 HUNTSVILLE ,AL s
CITRINE 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 WHITE PLAINS ,NY s/d/8a
CMT SERVICES, INC. 47QRAA19D008U 2028098785 HYATTSVILLE ,MD s/w/wo/h
CNA CORPORATION, THE 47QRAA18D003X 703-203-8680 ARLINGTON ,VA o
COASPIRE, LLC 47QRAA20D0037 (703)915-0582 FAIRFAX ,VA s/dv  
COAST AND HARBOR ASSOCIATES, INCORPORATED GS-10F-0013U 781-367-5475 MARBLEHEAD ,MA s/w/d/8a
COAST2COAST SURVEY CORPORATION 47QRAA22D003P (423)296-9000 CHATTANOOGA ,TN s    
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 ALEXANDRIA ,VA s/d
COLSA CORPORATION GS-00F-293CA 2569645276 HUNTSVILLE ,AL o
COLUMBIA GROUP, INC, THE GS-00F-201CA 2026088415 WASHINGTON ,DC s
COMMAND COMMISSIONING, LLC       47QSHA22D000X 214-441-0782 IRVING ,TX s/d
COMPUTER MAINSTREAM CORPORATION GS-35F-0694P 770-618-0843 ATLANTA ,GA s/w/8a
COMPUTERCRAFT CORPORATION GS-00F-262GA 5712663362 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 ALEXANDRIA ,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
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 DENVER ,CO s/w/d/8a
CORTEK, INC. GS-10F-0330X 2407316400 CLARKSBURG ,MD s/dv
CORTINA SOLUTIONS, LLC GS-00F-205DA 256-319-2024 HUNTSVILLE ,AL s/w/wo/ew/d/8a/h
COTTER CONSULTING, INC. 47QRAA22D002M 3123271314 CHICAGO ,IL s/w/wo
CRAFT DESIGNS, INC.       47QRAA18D00A3 2566500536 HUNTSVILLE ,AL s/w/wo
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
CREATIVE BUSINESS SOLUTIONS, INC.       47QRAA17D0005 301-509-9954 BOWIE ,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 STAPLEFORD VIENNA ,VA o
CROSSFLOW TECHNOLOGIES, INC 47QRAA18D008D 2564253680 ALBERTVILLE ,AL s
CROSSROADS SOLUTIONS LP       47QRAA20D005T (256)683-1939 KILLEN ,AL s  
CROWN CONSULTING, INC. GS-00F-038DA 703-650-0663 ARLINGTON ,VA o
CRS CONSULTING ENGINEERS, INCORPORATED       47QRAA19D004X (801)939-5565 SALT LAKE CITY ,UT s/d  
CRUZ ASSOCIATES INC. GS-10F-0379U 757-833-7538 YORKTOWN ,VA s
CSRS LLC 47QRAA23D003E 2257690546 BATON ROUGE ,LA 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
CUTLER ENGINEERING & TECHNOLOGY SERVICES LLC 47QRAA21D008W (619)405-9088 SAN DIEGO ,CA s/dv/d/8a    
CZERO, INC. GS-10F-0081X 719-331-9662 FORT COLLINS ,CO s
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D P ASSOCIATES, INC.       47QRAA23D0050 (256)837-8300 HUNTSVILLE ,AL s/w/wo/ew/d/8a    
D&G SUPPORT SERVICES, LLC GS-00F-131DA 7034033463 WOODBRIDGE ,VA s/w/wo/ew/dv/d/8a
DACK CONSULTING SOLUTIONS, INC. 47QRAA21D005P 914-686-7102 WHITE PLAINS ,NY s/w
DAMA CONSULTANTS, INC 47QRAA19D0037 773-870-1595 CHICAGO ,IL s/d/8a/h
DARKBLADE SYSTEMS, LLC 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  
DATA MONITOR SYSTEMS, INC.       47QRAA21D009Z (405) 737-7950 MIDWEST CITY ,OK s/dv
DAV ENERGY SOLUTIONS, INC. GS-00F-314GA 619-663-7007 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
DAWSON SOLUTIONS, LLC 47QRAA18D009F 2105276907 HUNTSVILLE ,AL s/d/8a
DAYTON T. BROWN, INC.       47QRAA19D00A4 631-244-6209 BOHEMIA ,NY s
DCREVTECH, LLC 47QTCA22D005P (240) 753-8282 COLLEGE PARK ,MD s/d
DCS CORPORATION       47QRAA20D006W 5712276061 ALEXANDRIA ,VA o
DECIBEL RESEARCH, INC GS-10F-0029Y 2566033207 HUNTSVILLE ,AL s
DECK FOUR INNOVATION INC. 47QRAA22D00B2 321-544-0793 MERRITT ISLAND ,FL s/w/wo/d
DECON ENGINEERING, INC. GS-21F-0004U 7038614930 STERLING ,VA s
DEFENSE ACQUISITION SUPPORT SERVICES L.L.C. 47QRAA19D008L 9105748939 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 2566650966 HUNTSVILLE ,AL s/dv
DEFINITIVE LOGIC CORPORATION GS-00F-043CA 703-343-3409 ARLINGTON ,VA s
DEFTEC CORPORATION       47QRAA18D00FY 301-325-5115 HUNTSVILLE ,AL s/w/wo/ew/d
DELAN ASSOCIATES, INC. 47QRAA18D004U 516-442-0040 FREEPORT ,NY s/d
DELOITTE & TOUCHE LLP GS-00F-029DA 703-251-1143 ARLINGTON ,VA o
DELOITTE CONSULTING LLP 47QRAA18D001P 703-251-1143 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 CHANTILLY ,VA o
DELTA SOLUTIONS & STRATEGIES, LLC GS-00F-215CA 719-475-0506 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
DFW CONSULTING GROUP, INC. 47QRAA22D00AF (972)827-2613 IRVING ,TX s/d    
DIGIFLIGHT INCORPORATED GS-00F-195GA 256-603-5322 COLUMBIA ,MD s/v/d
DIGITAL MOBILIZATIONS, INC.       47QRAA19D00BP (540)219-9222 WARRENTON ,VA s/d    
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
DMAERO, LLC       47QRAA22D0049 4782841015 BYRON ,GA s/dv/d/h
DMR CONSULTING, INC. 47QRAA18D00H2 (850)230-3767 PANAMA CITY BEACH ,FL s/w/wo/d  
DOBBS DEFENSE SOLUTIONS LLC 47QTCA20D00EP 301-494-3367 COLLEGE PARK ,MD s/w/wo/ew/dv/d/8a
DPRA INCORPORATED 47QRAA19D003T 785-564-6041 KNOXVILLE ,TN s
DRAGOON TECHNOLOGIES, INC. GS-07F-5553R 937-439-9223 DAYTON ,OH s
DRIVE ENGINEERING CORP. 47QRAA21D0094 215-367-5535 BLUE BELL ,PA s/d
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 LLC       GS-10F-0006U 2567990669 HUNTSVILLE ,AL o
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 FALLS CHURCH ,VA o
DYNETICS, INC. GS-00F-045CA 2567135320 HUNTSVILLE ,AL o
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EARTHWORKS GROUP, INC. THE 47QRAA23D003B 843-651-7900 MURRELLS INLET ,SC s
EASTERN RESEARCH GROUP, INC. GS-00F-079CA 7742491622 CONCORD ,MA o
ECLIPSE TECHNICAL SYSTEMS, LLC 47QTCA19D00GD 301.529.3734 CATONSVILLE ,MD s/d
ECS FEDERAL, LLC GS-00F-072CA 571-232-1412 FAIRFAX ,VA o
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EDGESOURCE CORPORATION 47QRAA18D004S 703-837-0550 ALEXANDRIA ,VA s
EL DORADO ENGINEERING, INC.       47QRAA18D00E6 (801)966-8288 WEST JORDAN ,UT s  
EL PASO CWI AND NDE INSPECTION SERVICES, LLC 47QRAA23D004G (512)573-0036 EL PASO ,TX s    
ELOCEN GROUP, LLC, THE 47QRAA18D0076 202-644-8500 WASHINGTON ,DC s/w/wo/d/8a
ELYON INTERNATIONAL, INC. GS-00F-203GA (360) 696-5892 VANCOUVER ,WA s/w/wo/v/d
ELZLY TECHNOLOGY CORPORATION GS-23F-0167S 703-505-1905 RESTON ,VA o
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EMPOWER AI, INC. GS-00F-263CA 703-707-6730 RESTON ,VA o
ENERGY RESEARCH, INC.       47QRAA22D009T 3018810866 ROCKVILLE ,MD s
ENERGY TECHNOLOGY ALLIANCE LLC 47QRAA22D00EG 202-787-1518 REDMOND ,OR s/w/wo/ew/d/8a
ENGENIUSMICRO, LLC 47QRAA19D004K 2562611260X124 HUNTSVILLE ,AL s/h
ENGINEERED SYSTEMS & SERVICES, L.L.C.       47QRAA23D0012 770-810-5700 SUWANEE ,GA s/d
ENGINEERING AND INFORMATION TECHNOLOGY INC. GS-00F-0062N 609-204-1386 CORAL SPRINGS ,FL s/w/wo
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ENTECH ENGINEERING, INC. 47QRAA21D005E 610-373-6667 READING ,PA 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 47QRAA21D00AJ 415.896.5900 SAN FRANCISCO ,CA s/d
ENVISE 47QSHA20D001D 571-612-4042 STERLING ,VA o
ENVISION INNOVATIVE SOLUTIONS, INC. GS-35F-0222Y 732-722-7435 MANASQUAN ,NJ s/d
EPS CORPORATION GS-00F-015CA 732-747-8277 TINTON FALLS ,NJ 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 x106 LANDOVER ,MD s/d  
ESIMPLICITY, INC. 47QTCA19D00KH 443-963-9363 SILVER SPRING ,MD s/w/wo/ew/d/8a/h
EWING INDUSTRIAL SERVICES, LLC 47QRAA21D000S (361)502-7664 CORPUS CHRISTI ,TX s/d  
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EXCET, INC. GS-00F-004BA 703-919-0953 SPRINGFIELD ,VA s
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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
FACILITY ENGINEERING ASSOCIATES, P.C. GS-21F-0107V 703-591-4855 FAIRFAX ,VA s
FALCONA MANAGEMENT & TECHNOLOGY, L L C GS-00F-272CA 210-704-1486 SAN ANTONIO ,TX s/w/wo/ew/d/8a
FGS, LLC GS-35F-336DA 301-539-4431 LA PLATA ,MD o
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FIRE & RISK ALLIANCE, LLC 47QRAA18D00CT (937)505-3031 LINCOLNWOOD ,IL s/d  
FIRST LINE DEFENSE, LLC       47QRAA20D003B 7036776491 QUANTICO ,VA s/v/h
FIVE STONES RESEARCH CORPORATION GS-10F-0446X 2569750848 HUNTSVILLE ,AL s/w/wo/ew/d/8a
FLIGHT TEST & MECHANICAL SOLUTIONS, INC. 47QRAA22D001P 2567247340 HUNTSVILLE ,AL s
FLOWWEST, LLC 47QRAA22D0057 (727)992-3536 OAKLAND ,CA s    
FLUOR FEDERAL SERVICES, INC. 47QSHA22D0008 703-351-6450 GREENVILLE ,SC o
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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
FORGE GROUP, LLC 47QTCA21D00D5 703-296-7038 HERNDON ,VA s/w/wo/ew/dv/d/8a
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FRATELLO, INC. GS-10F-0202X (540)596-0695 STEPHENS CITY ,VA s/w/wo  
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FREEDOM TECHNOLOGIES INC GS-00F-013CA (703) 516-3031 ARLINGTON ,VA s/w/wo
FREW DEVELOPMENT GROUP, LLC 47QRAA20D004W 303-333-1788 BAINBRIDGE IS ,WA s
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FTS INTERNATIONAL, LLC 47QRAA19D0064 703-225-7713 STERLING ,VA s
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GASTINGER AND WALKER ARCHITECTS INC GS-10F-0183V 816-421-8200 KANSAS CITY ,MO s
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GBL SYSTEMS CORPORATION 47QRAA19D007F 8059874345 CAMARILLO ,CA s
GC ASSOCIATES USA, LLC       47QTCA21D004S 632-866-9871 ARLINGTON ,VA s/dv/d/8a
GDCA, INC. 47QRAA22D00BV 925-456-9900 LIVERMORE ,CA s
GDS ASSOCIATES, INC.       47QRAA22D0008 770-799-2399 MARIETTA ,GA o
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GEM TECHNOLOGIES, INC. 47QRAA20D007W 865-660-7339 KNOXVILLE ,TN s/d
GEM TECHNOLOGY INTERNATIONAL, CORP. 47QRAA22D008D 305-447-1344 MIAMI ,FL s/w/wo/ew/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
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GENCO SYSTEMS, INC. 47QRAA20D001P 703-234-5261 HERNDON ,VA s/d
GENERAL ATOMICS SYSTEMS INTEGRATION, LLC 47QRAA20D003N 801-546-8100 KAYSVILLE ,UT o
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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
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GEOGRAPHIC INFORMATION SERVICES, INC. 47QRAA19D00BD 2057255836 BIRMINGHAM ,AL o
GEORGE CONSULTING, LTD.       GS-35F-130GA 843-471-1322 NORTH CHARLESTON ,SC s
GEOSPATIAL CONSULTING GROUP INTERNATIONAL, LLC       GS-35F-212DA 571-289-0267 ALEXANDRIA ,VA s/w/wo/ew
GEOSYNTEC CONSULTANTS,INC. 47QRAA22D003A 561-922-1079 BOCA RATON ,FL o
GEOTECH CONSULTANTS INTERNATIONAL, INC. 47QRAA21D00A4 407-398-5800 LONGWOOD ,FL s/d
GILBANE BUILDING COMPANY GS-23F-0024R 5712532994 PROVIDENCE ,RI o
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GLOBAL C2 INTEGRATION TECHNOLOGIES LLC 47QRAA18D0067 (210) 639-0500 LAS VEGAS ,NV s/dv
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GOLD WAVE INC 47QRAA23D003C 630-800-8509 DARIEN ,IL s/w/wo/dv/d
GOLDBELT C6, LLC 47QRAA19D00CS (757)550-2121 CHESAPEAKE ,VA s/d/8a
GOLDEN WOLF, LLC 47QRAA19D0067 844-860-9653 BRANDON ,FL s/w/wo/ew/dv/d/8a
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GRANT THORNTON PUBLIC SECTOR LLC 47QRAA19D0085 703-637-2835 ARLINGTON ,VA o
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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
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GSD LLC 47QRAA21D0022 7572070809 WILLIAMSBURG ,VA s/v
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GUIDEHOUSE INC. GS-00F-045DA 7036566381 MCLEAN ,VA o
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HAMMERMAN & GAINER, LLC 47QRAA22D008F 504-930-4857 KENNER ,LA o
HANA ENGINEERS AND CONSULTANTS, LLC 47QRAA22D003N 757-701-9382 NORTH CHESTERFIELD ,VA s/d/8a
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
HATCH, JOHN M 47QRAA18D001M 4254660744 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 (479)361-9692 OKLAHOMA CITY ,OK s/d  
HEXAGON US FEDERAL, INC. 47QRAA18D00A2 478-322-3258 HUNTSVILLE ,AL o
HEXAGON US FEDERAL, INC. 47QTCA18D003G 478-322-3258 HUNTSVILLE ,AL o
HICAPS, INC. GS-00F-014CA (336)665-1234 GREENSBORO ,NC s/dv  
HIGH SIDE TECHNOLOGY LLC 47QTCA20D003B 8435094979 JOHNS ISLAND ,SC s
HIGHERECHELON, INC. GS-00F-164GA 256-724-8842 HUNTSVILLE ,AL s/dv
HIGHERMOUNTAIN LLC 47QRAA23D003Q 256-945-0091 HUNTSVILLE ,AL s/dv
HII DEFENSE AND FEDERAL SOLUTIONS, INC. GS-00F-020CA 703-543-2979 HUNTSVILLE ,AL o
HILL INTERNATIONAL, INC. GS-23F-0035P 202-408-3062 WASHINGTON ,DC o
HILL TECHNICAL SOLUTIONS, INC.       47QRAA18D0056 2569701258 HUNTSVILLE ,AL o
HODGES TRANSPORTATION, INC. 47QRAA22D006W 775-629-2000 SILVER SPRINGS ,NV s/h
HOLMES-TUCKER INTERNATIONAL, INC.       GS-10F-0258T 301-866-1701 LEXINGTON PARK ,MD s/v
HOUSTON ENGINEERING INC 47QRAA23D004Q (701)499-9463 FARGO ,ND o    
HP ENGINEERING, INCORPORATED 47QRAA22D004Y 4792653688 ROGERS ,AR s/d
HUBZONE HEADQUARTERS, INC.       47QRAA21D009Q 757-597-5907 VIRGINIA BEACH ,VA s/v/d/h
HUEBER-BREUER CONSTRUCTION CO., INC.       47QRAA18D00H8 (315)476-7917 SYRACUSE ,NY o  
HUMANPROOF, LLC       47QRAA18D009H (202)480-2884 VIENNA ,VA s  
HW CONSULTING, INCORPORATED GS-10F-0156U (202)734-0753 WASHINGTON ,DC s/w/wo
HX5,, LLC       GS-00F-225GA 8503626551 FORT WALTON BEACH ,FL s/w/wo/dv
HYPERION TECHNOLOGY GROUP, INC. 47QRAA22D007P 6628230626 TUPELO ,MS s
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 3105947016 EL SEGUNDO ,CA s/w/wo/d
IGNITE FUELING INNOVATION, INC GS-10F-0107V 256-270-9020 HUNTSVILLE ,AL s/dv/d
IMMERSIVE CONCEPTS, LLC GS-35F-032CA 855-513-8500 BELTSVILLE ,MD s/d/8a/h
INDEPENDENT STRATEGIC MANAGEMENT SOLUTIONS, INC. 47QRAA21D0087 509-438-7811 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 RESTON ,VA s/v
INFORMATION SYSTEMS LABORATORIES, INC. 47QRAA21D001U 858-373-2717 VIENNA ,VA s
INFRASTRUCTURE MANAGEMENT AND ENGINEERING, INC.       47QRAA22D0084 513-826-4338 CINCINNATI ,OH s/d/8a
INNOVATIVE CONSULTING & MANAGEMENT SERVICES, LLC 47QRAA19D000D 3014444100 ROCKVILLE ,MD s/d/8a/h
INNOVATIVE NETWORK SERVICES, LLC 47QRAA22D0068 (813)476-5777 CLINTON ,AR s/d    
INNOVATIVE TECHNOLOGY PARTNERSHIPS LLC 47QRAA18D008Z 505-796-0996 ALBUQUERQUE ,NM s
INNOVIM, LLC 47QTCA19D00FJ 2405420200 GREENBELT ,MD s/w/wo
INSIGHT INTERNATIONAL TECHNOLOGY, LLC       47QRAA19D00BE (256) 551-0414 HUNTSVILLE ,AL s/dv/d
INSIGHT TECHNOLOGY SOLUTIONS, LLC 47QRAA18D0064 301-860-1121 ANNAPOLIS ,MD s/w/wo
INSPIRE CORPORATION 47QRAA20D008K 3039100430 AURORA ,CO s/dv
INSTITUTE FOR BUILDING TECHNOLOGY AND SAFETY 47QRAA22D0066 703-481-2000 ASHBURN ,VA o
INTEGRATED SOLUTIONS FOR SYSTEMS, INC. GS-00F-378GA 2564899723 HUNTSVILLE ,AL o
INTEGRATION INNOVATION, INC. GS-00F-210CA 256-562-2978 HUNTSVILLE ,AL s
INTEK INC.       GS-00F-089GA 703-465-2231 ARLINGTON ,VA s
INTER-COASTAL ELECTRONICS, LLC GS-00F-0019Y 480-981-6898 MESA ,AZ o
INTERACTIVE PROCESS TECHNOLOGY, LLC GS-00F-0002X 7812225589 BURLINGTON ,MA o
INTERFUZE CORPORATION GS-35F-0013T 2563829715 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 256-705-6830 HUNTSVILLE ,AL s
INTUITIVE RESEARCH AND TECHNOLOGY CORPORATION GS-23F-0343N 2569229300 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 o
IOV SOLUTIONS LLC 47QRAA21D001K 571-373-1967 OAKTON ,VA s/dv/d/8a
IPARAMETRICS, LLC GS-10F-112CA 770-664-6636 ALPHARETTA ,GA s
IRONARCH TECHNOLOGY LLC GS-35F-032DA 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 o
ISSAC CORP GS-10F-0233Y 719-725-6904 COLORADO SPRINGS ,CO s/dv
IT MENTOR GROUP, INC.       47QRAA23D002Q 619-992-8452 POWAY ,CA s/w/wo/ew/dv/d
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 (202)271-2292 SILVER SPRING ,MD s/d/8a  
ITERIS, INC. 47QRAA22D00BT 949-270-9400 SANTA ANA ,CA o
ITSC SECURE SOLUTIONS, LLC GS-10F-0010U MAINVIELLE OWENS CROSS ROADS ,AL s/w/wo
J FOSTER & ASSOCIATES LLC 47QRAA22D0069 (208)709-0508 IDAHO FALLS ,ID s/w/wo/ew/d/8a    
JACKSON AND TULL, CHARTERED ENGINEERS       47QRAA18D00DJ 2405537005 WASHINGTON ,DC s/d
JACOBS ENGINEERING GROUP INC. 47QRAA21D00AF 571-218-1304 ARLINGTON ,VA o
JACOBS TECHNOLOGY INC. GS-00F-038CA 931-455-6400 TULLAHOMA ,TN o
JANUS RESEARCH GROUP, LLC GS-00F-310CA 7063649100 EVANS ,GA o
JARDON & HOWARD TECHNOLOGIES, INCORPORATED 47QRAA21D008B 407-381-7797 ORLANDO ,FL s/dv
JAX ENGINEERING INC 47QRAA23D0041 (817)456-7022 FORT WORTH ,TX s/dv/d    
JAXON ENGINEERING AND MAINTENANCE, INC.       GS-10F-0447Y 719-484-8750 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 334-467-6860 HUNTSVILLE ,AL s/w/wo/ew/d/h
JBZIM PROPERTIES, LLC 47QRAA21D004V 708-224-8707 FRANKFORT ,IL s/d
JDI GROUP, INC., THE       47QRAA20D002C (937)360-1267 MAUMEE ,OH s/d  
JENSEN HUGHES, INC. GS-00F-006CA 425-217-1123 BALTIMORE ,MD o
JGMS GOVERNMENT SERVICES, LLC 47QRAA22D008H 9702541354 GRAND JUNCTION ,CO s/d
JGMS GOVERNMENT SERVICES, LLC GS-00F-0014Y 970-254-1354 GRAND JUNCTION ,CO s/d/8a
JJR SOLUTIONS, LLC GS-00F-146GA 937-356-3424 DAYTON ,OH s/dv
JMA SOLUTIONS LLC 47QRAA18D00GC 202-465-8208 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 (443)-624-2218 CLIFTON ,VA s/dv
JOHNSON, MIRMIRAN & THOMPSON, INC. GS-00F-194CA 410-329-3100 COCKEYSVILLE ,MD o
JOINT RESEARCH AND DEVELOPMENT, INC. GS-10F-0093T 5402883132X201 STAFFORD ,VA s/dv
JOINT VENTURE SOLUTIONS (JVS) LLC GS-00F-099GA 4432800698 MILLERSVILLE ,MD s/dv
JONES & CARTER, INC. 47QRAA20D003D (713)777-5337 BELLAIRE ,TX o  
JONES DESIGN STUDIO, PLLC 47QRAA23D000U 888-537-6656 TULSA ,OK s/w/wo/d/h
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  
JRC INTEGRATED SYSTEMS INC 47QRAA23D002H (202)735-2700 WASHINGTON ,DC s/dv    
JS SOLUTIONS LLC 47QRAA22D008Y 256-617-1471 HUNTSVILLE ,AL s/v
K2 GROUP, INC. 47QTCA19D00FZ 571- 421-2070 VIENNA ,VA s/dv
KAIROS, INC. 47QRAA22D002E 3019976095 X103 CALIFORNIA ,MD s/w/wo
KAL ARCHITECTS, INC. GS-00F-137GA 949-450-8420 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    
KATILYST CO LLC       47QRAA23D0009 804-219-8666 HENRICO ,VA s/w/wo
KBM ENTERPRISES, INC.       GS-23F-0001R 9314689233 HUNTSVILLE ,AL s/w/wo
KBR WYLE SERVICES, LLC       GS-00F-200CA 2569716126 LEXINGTON PARK ,MD o
KCG ENGINEERING GROUP, INC. 47QTCA21D006G (757) 721-5040 VIRGINIA BEACH ,VA s/dv
KCL ENGINEERING LLC 47QRAA22D00F3 515-509-1870 WEST DES MOINES ,IA s/d
KEISH ENVIRONMENTAL PC 47QRAA23D000X 408-592-0223 SAN JOSE ,CA s/w/wo/d/8a
KELLER-BLIESNER ENGINEERING, LLC       47QRAA18D004Q 435-753-5651 LOGAN ,UT s
KELLY SERVICES, INC. 47QSWA22D007G 559-967-6148 TROY ,MI o
KEMSYSTEK, LLC 47QRAA20D0047 (410)740-8706 FALLS CHURCH ,VA s/w/wo/dv/d  
KENIFIC GROUP INC, THE 47QRAA19D00C7 571-636-4002 FAIRFAX ,VA s
KENJYA-TRUSANT GROUP, LLC, THE GS-00F-137DA 410-740-4045 COLUMBIA ,MD o
KENTCO CORPORATION 47QRAA20D000S 571-665-4199 HERNDON ,VA s/dv
KEVILLE ENTERPRISES, INC GS-23F-0235S 904-813-6558 MARSHFIELD ,MA s/w
KEYW CORPORATION, THE GS-00F-001DA (703)984-4305 HANOVER ,MD o  
KIHOMAC, INC.       GS-10F-0173T 385-515-4280 RESTON ,VA o
KIMLEY-HORN AND ASSOCIATES, INC. GS-10F-0501X 919 677-2000 RALEIGH ,NC o
KINETIC METRICS, LLC 47QRAA20D000K 7036476221 ALEXANDRIA ,VA s/d/8a
KLAVON DESIGN ASSOCIATES INC 47QRAA22D00F1 412-394-1181 PITTSBURGH ,PA s/w/wo/d/h
KMEA 47QRAA20D006G 619-451-6199 SAN DIEGO ,CA o
KNIGHTO, LLC 47QRAA20D000N 703-244-4379 LEESBURG ,VA s/dv/d/h
KNOWESIS, INC. GS-10F-0165W 571-421-1101 FAIRFAX ,VA o
KNOWLEDGE BRIDGE INTERNATIONAL, INC. 47QRAA22D00EE 571-237-3418 CHANTILLY ,VA s/dv/d
KODA TECHNOLOGIES INC. 47QRAA19D0081 256-509-2710 HUNTSVILLE ,AL s/w/wo/d
KORD TECHNOLOGIES, LLC GS-10F-0087Y (256)489-2346 HUNTSVILLE ,AL o  
KPMG LLP
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KRAMER CONSULTING SERVICES, PC 47QRAA19D001M 2023399000 WASHINGTON ,DC s
KULJIAN CORPORATION, THE 47QRAA21D002G 2156946464 BRISTOL ,PA s
L2 SOLUTIONS LLC       47QRAA22D0040 713-582-9295 HOUSTON ,TX s/d
LAGO CONSULTING & SERVICES LLC 47QRAA22D009K 813-774-5559 TAMPA ,FL s/w/wo/ew/d/8a
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-35F-116AA (571) 526-7085 RESTON ,VA o
LEIDOS, INC. GS-00F-022CA 240-460-5984 RESTON ,VA o
LELAND SAYLOR ASSOCIATES INC 47QRAA19D00AZ 415-291-4930 WALNUT CREEK ,CA s/dv
LEONARDO TECHNOLOGIES, INC.       GS-23F-0231R 7409682222X104 ST CLAIRSVILLE ,OH s
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LINC RESEARCH, INC 47QRAA20D008M (256)318-5447 HUNTSVILLE ,AL s/h  
LINDAHL REED, INC. 47QRAA18D00GR 541/638-9164 REDMOND ,OR s/w/wo/ew/d/8a
LINK TECHNOLOGIES INC 47QRAA20D0096 301-983-6878 GERMANTOWN ,MD s/w/wo
LINQUEST CORPORATION 47QRAA18D000L 323-924-1568 LOS ANGELES ,CA o
LINQUEST CORPORATION 47QRAA21D009B 323-924-1587 LOS ANGELES ,CA o
LITEYE SYSTEMS INC 47QRAA23D0051 (720)974-1766 CENTENNIAL ,CO s    
LJB INC GS-00F-049CA 937-259-5000 MIAMISBURG ,OH o
LMI CONSULTING, LLC       GS-00F-041GA (703) 917-7524 TYSONS CORNER ,VA o
LOCH HARBOUR GROUP, INC. 47QRAA19D005R 703-642-2380 ALEXANDRIA ,VA o
LOCKWOOD GROUP LLC, THE GS-00F-349GA 240-285-5480 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
LOGOS BZ LLC 47QRAA21D008G 3018026262 ANNAPOLIS ,MD s/dv
LONGENECKER & ASSOCIATES, INC. GS-00F-258CA 301-651-6951 LAS VEGAS ,NV s/w/wo
LOYAL SOURCE GOVERNMENT SERVICES LLC 47QRAA18D008T 4075913088 ORLANDO ,FL o
LRS FEDERAL LLC GS-10F-0360T 4105443570 SEVERNA PARK ,MD s/dv
LS TECHNOLOGIES, LLC 47QRAA22D004G 703-673-2213 FAIRFAX ,VA o
LSINC CORPORATION 47QRAA18D00BC (937)505-3031 HUNTSVILLE ,AL s/w/wo/ew    
LTC SOLUTIONS, L.L.C. 47QRAA22D008E 540-318-7052 STAFFORD ,VA s/dv
LUSTER NATIONAL, INC. 47QRAA21D0044 415-416-4203 BAKERSFIELD ,CA s/v/d
LYNCH CONSULTANTS, LLC GS-00F-118DA 540-834-3490 ARLINGTON ,VA s/dv
LYNKER CORPORATION 47QTCA19D00GN 7034315855 LEESBURG ,VA s/h
LYNKER CORPORATION GS-00F-125CA 7034315855 LEESBURG ,VA o
M.C. DEAN, INC. 47QSWA19D002W 703-243-6231 TYSONS ,VA o
MACAULAY-BROWN, INC GS-00F-063CA (937)426-3421 DAYTON ,OH o
MAG DS CORP.       GS-10F-060AA 732-493-1700 ABERDEEN ,MD o
MAINSAIL GROUP, LLC 47QRAA22D00DD 508-745-3195 BEDFORD ,MA s/w/wo/dv/d
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MANAGEMENT SOLUTIONS, L.L.C. 47QTCA18D000H (865) 963-0400 KNOXVILLE ,TN s/w/wo/ew/d/8a
MANNIK & SMITH GROUP, INC., THE 47QRAA20D006A 734-790-5177 MAUMEE ,OH s
MANTECH ADVANCED SYSTEMS INTERNATIONAL, INC. GS-00F-086CA 703-218-6440 HERNDON ,VA o
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MARINE DESIGN AND OPERATIONS, INC. GS-23F-0233S 9086869414 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 LLC GS-00F-0012Y 703-884-0028 FALLS CHURCH ,VA o
MARSHALL GROUP LTD ARCHITECTS, THE (INC) GS-29F-0015S 7033260630 RESTON ,VA s/w
MARTIN/MARTIN, INC. 47QRAA21D009P 303-431-9361 LAKEWOOD ,CO o
MARTINFEDERAL CONSULTING, LLC GS-35F-491CA 256-382-4316 HUNTSVILLE ,AL s/dv/d/8a
MASON LIVESAY SCIENTIFIC, LLC 47QRAA19D00AJ (865)294-4368 OAK RIDGE ,TN s/w/wo/d  
MASPEC LLC 47QRAA22D00AQ (202)751-2072 VALRICO ,FL s/dv    
MATRIX DESIGN GROUP, INC. 47QRAA19D009K (719)575-0100 COLORADO SPRINGS ,CO o  
MAXAR INTELLIGENCE INC.       47QRAA19D002V 703-439-4772 WESTMINSTER ,CO o
MAXAR MISSION SOLUTIONS INC.       GS-35F-481DA 703-439-4772 HERNDON ,VA o
MAYVIN, INC. GS-10F-0280Y (703) 750-1794 ALEXANDRIA ,VA o
MCAPS, LLC 47QSHA21D0025 4124506056 PITTSBURGH ,PA s
MCDONOUGH BOLYARD PECK, INC. GS-23F-0095P 6293334012 FAIRFAX ,VA o
MCHENRY MANAGEMENT GROUP, INC., THE GS-10F-0239U (757)410-0233 CHESAPEAKE ,VA s/v  
MCKISSACK GROUP, INC. THE 47QRAA19D003D (212)349-6500 NEW YORK ,NY o  
MCL JASCO, INC. 47QRAA22D0078 313-841-5000 DETROIT ,MI s/dv
MCLAUGHLIN RESEARCH CORPORATION       47QRAA21D0093 (401) 849-4010 NEW LONDON ,CT s
MCR FEDERAL, LLC GS-00F-123CA 703.740.2237 MCLEAN ,VA o
ME AUTOMATION, LLC 47QRAA20D008Y (866)916-6484 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
METIS TECHNOLOGY SOLUTIONS, INC. 47QRAA21D009J (505)299-1509 ALBUQUERQUE ,NM s/w/wo    
METRON, INCORPORATED       GS-00F-166DA 7033262870 RESTON ,VA s
MEYER CONSULTING ENGINEERS CORP. 47QRAA23D002K 2408766720 ROCKVILLE ,MD s
MFS CONSULTING ENGINEERS & SURVEYOR, D.P.C. 47QRAA21D009N 908-922-4622 SOUTH PLAINFIELD ,NJ s/d
MICHAEL BAKER INTERNATIONAL, INC. 47QRAA21D008D 703-483-0029 ALEXANDRIA ,VA o
MICHAEL K. SWIM, CONSULTING ENGINEER, INC       47QRAA18D00DF 636-530-7770 CHESTERFIELD ,MO s
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MILCOR GROUP, INC., THE 47QRAA22D003X (772)223-8850 HOBE SOUND ,FL s/w/wo    
MILLENNIUM CORPORATION GS-10F-0141W 703-436-1346 ARLINGTON ,VA s/dv/d
MILLER ENGINEERS, INC. 47QRAA21D007C 575-649-2584 ALBUQUERQUE ,NM o
MILVIAN SOLUTIONS, LLC       47QRAA18D008C (915)892-4585 EL PASO ,TX s/dv/d  
MINO MARINE, L.L.C. GS-00F-249GA 504-218-8162 NEW ORLEANS ,LA s
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MISSION1ST GROUP, INC GS-35F-0199Y (571) 409-7133 ARLINGTON ,VA s/dv
MISSIONFOCUS LLC GS-10F-149AA 703-291-6721 MC LEAN ,VA s
MLT SYSTEMS LLC GS-10F-0168W 5403186383 STAFFORD ,VA s/dv
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MOCA SYSTEMS, INC. GS-00F-255CA 850-389-8121 BOSTON ,MA s
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MTA, INC. GS-23F-0039P 256-922-1110 HUNTSVILLE ,AL s/w/wo
MTI SYSTEMS, INC. GS-00F-007BA (518)894-2538 LOTHIAN ,MD s/w/wo/d  
MTSA II JV LLC 47QRAA23D001Y 703-930-9624 FAIRFAX ,VA s/dv
MUNRO & ASSOCIATES INC 47QRAA23D000B (517)347-8952 AUBURN HILLS ,MI s    
MUSGROVE ENGINEERING, P.A. 47QRAA21D00A0 (208)384-0585 BOISE ,ID s    
NANORACKS, LLC 47QRAA18D004R (832)632-7754 WEBSTER ,TX s  
NATIONAL FACILITY SOLUTIONS LLC GS-21F-0102Y 612-319-0170 HASTINGS ,MN s/dv
NAVAL SYSTEMS, INC. 47QRAA22D000A 301-737-1911 LEXINGTON PARK ,MD s/dv
NAVARRO RESEARCH AND ENGINEERING, INC. 47QRAA23D000P (865)220-9650 OAK RIDGE ,TN s/w/wo    
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 o
NAVMAR APPLIED SCIENCES CORPORATION       47QRAA22D000F 215-675-4900 WARMINSTER ,PA s/dv
NELSON ENGINEERING CO. GS-00F-324CA 3214491128 MERRITT ISLAND ,FL s
NEPTUNE AND COMPANY, INCORPORATED 47QRAA23D0019 720-746-1803 LAKEWOOD ,CO s/w/wo
NETCENTRIC TECHNOLOGY, LLC 47QRAA19D00AU 571-418-9792 WALL ,NJ s/d
NETORIAN GS-35F-266AA 4439003800 ABERDEEN ,MD s
NETSEA TECHNOLOGIES LLC 47QRAA22D00E0 774-571-2191 BEL AIR ,MD s
NEWPORT PARTNERS, THE, LLC GS-00F-007CA (301) 889-0017 DAVIDSONVILLE ,MD s
NEXAGEN NETWORKS INC GS-00F-066GA 732-598-1277 OLD BRIDGE ,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 2567042513 HUNTSVILLE ,AL s
NLT CORPORATION GS-00F-098DA (703) 912-3130 LORTON ,VA s/d
NLT MANAGEMENT SERVICES LLC 47QRAA21D0056 713-504-5270 EWING ,NJ s/d
NOBLETECH SOLUTIONS INC. GS-35F-437DA 256-529-1753 HUNTSVILLE ,AL s/dv/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
NORTHWEST WATERSHEDS LLC 47QRAA22D006J 5037812799 PORTLAND ,OR s/w/wo/ew/d
NOU SYSTEMS, INC. GS-00F-143DA 256-327-5541 HUNTSVILLE ,AL s/w/wo
NOVATEC SOLUTIONS, LLC 47QRAA23D0021 256-468-7151 HUNTSVILLE ,AL s/w/wo/ew/d
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
OCEAN ASSOCIATES, INCORPORATED GS-35F-372GA 703-819-6939 ARLINGTON ,VA s/w/wo
OCH TECHNOLOGIES, LLC 47QRAA19D005Q 7038643479 LEESBURG ,VA s/d/8a
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 781-809-1604 WAKEFIELD ,MA o
OFFSET STRATEGIC SERVICES, LLC 47QRAA22D00EC 2567835734 HUNTSVILLE ,AL s/dv
OHIO AEROSPACE INSTITUTE 47QRAA22D0062 440-962-3017 BROOKPARK ,OH 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  
OMEGA CONSULTANTS, INC.       47QRAA22D001T 865-272-3371 OAK RIDGE ,TN s/dv
ON POINT ASSOCIATES, LLC       47QRAA23D000G (505)803-7757 ALBUQUERQUE ,NM s    
ONEIDA TOTAL INTEGRATED ENTERPRISES, LLC 47QRAA20D009B (414)607-6767 MILWAUKEE ,WI s/d  
ORBIS SIBRO, INC.       47QRAA22D0061 843-971-9390 CHARLESTON ,SC s/v
ORION SOLUTIONS, LLC       47QRAA21D006E (904)394-0934 JACKSONVILLE ,FL s/dv    
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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 EXT 6 BETHESDA ,MD s/w/wo/ew/d
OVERLOOK SYSTEMS TECHNOLOGIES, INC. GS-10F-0100T 7039724368 VIENNA ,VA s
OWT GLOBAL, LIMITED LIABILITY COMPANY 47QRAA23D005A (813)832-3290 TAMPA ,FL s    
OZELL SERVICES INC 47QRAA21D00AE 215-607-5145 LEVITTOWN ,PA s/d/8a
P3I, INCORPORATED 47QTCA20D000K 508-435-7882 HOPKINTON ,MA s/w/wo/v
PAGE SOUTHERLAND PAGE, INC. 47QRAA21D0032 3055624496 WASHINGTON ,DC o
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 1-435-294-2558 TORRANCE ,CA o
PATRICIO ENTERPRISES, INC GS-00F-167GA 703 441-4760 STAFFORD ,VA o
PATRONA CORPORATION 47QRAA19D009E (571)255-4703 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 703-778-7694 SPRINGFIELD ,VA o
PEERLESS TECHNOLOGIES CORPORATION GS-00F-355CA 9374753729 FAIRBORN ,OH o
PEGASUS TECHNOLOGIES & SOLUTIONS, INC. 47QRAA22D0018 2565291468 HUNTSVILLE ,AL s/dv/d/8a
PEOPLETEC, INC.       47QRAA22D00CX 256-319-3937 HUNTSVILLE ,AL s
PERATON AEROSPACE & DEFENSE INC. GS-23F-0207P 256-922-6783 HUNTSVILLE ,AL o
PEREGRINE TECHNICAL SOLUTIONS, LLC GS-35F-233CA 808-796-1364 YORKTOWN ,VA s/d/8a
PERIKIN ENTERPRISES, LLC GS-00F-003AA 505-333-0501 ALBUQUERQUE ,NM s/d/8a/h
PERKINS EASTMAN ARCHITECTS, D.P.C. 47QRAA22D000H 212-353-7305 NEW YORK ,NY o
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PINNACLE SOLUTIONS, INC. GS-00F-0017X 256-489-1565 HUNTSVILLE ,AL o
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PMA CONSULTANTS, L.L.C. 47QRAA19D003Y 734-418-7913 ANN ARBOR ,MI o
PMSI.USA LLC 47QRAA22D00DU (317) 432-6920 NOBLESVILLE ,IN s/dv/d
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POLARIS SENSOR TECHNOLOGIES, INC. GS-00F-198GA 256-562-0087 HUNTSVILLE ,AL s/w/wo
POND & COMPANY GS-00F-363GA 404-748-4758 PEACHTREE CORNERS ,GA o
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POTOMACWAVE CONSULTING, INC. GS-00F-0007X 703-963-5064 ALEXANDRIA ,VA o
POWER & CONTROL ENGINEERING SOLUTIONS, LLC       47QRAA23D001Q 918-307-7680 TULSA ,OK s
PPT SOLUTIONS, INC. GS-00F-422GA 256-319-0423 HUNTSVILLE ,AL s
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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 (917)330-3069 MC LEAN ,VA s/v  
PRIMETECH INTERNATIONAL, INC. 47QRAA18D00CY 816-888-7280 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 303-246-3377 STUART ,FL s
PROBITAS PROJECT, INC., THE 47QRAA22D0027 571-201-2966 VIENNA ,VA s/v
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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 ENGINEERING SERVICES LTD 47QRAA21D008Y (952)456-6707 MINNEAPOLIS ,MN s/w/wo/d    
PROFESSIONAL PROJECT SERVICES, INC. GS-00F-112CA 865.220.4377 OAK RIDGE ,TN s
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PROJECT CONTROLS GROUP, INC. 47QRAA17D0001 314-647-0707 SAINT LOUIS ,MO s/d
PROJECT ENHANCEMENT CORPORATION 47QRAA22D007U 240-686-3059 GERMANTOWN ,MD o
PROJECT SERVICES GROUP, LLC GS-00F-120CA 770-454-0396 SUWANEE ,GA s/d/8a
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PROJECT SOLUTIONS, INC. GS-00F-025DA 6057370377 RAPID CITY ,SD s/w/wo/ew/d
PROMODEL GOVERNMENT SOLUTIONS, INC. GS-00F-421GA 860-608-5389 ANN ARBOR ,MI o
PROPERTY CONDITION ASSESSMENTS, LLC       47QRAA22D009Z 661-618-7704 BREA ,CA s/d
PROSOURCE CONSULTING, L.L.C. GS-10F-0123T 571-212-1500 GAINESVILLE ,VA s/w/wo/d/8a
PURVIS SYSTEMS INCORPORATED GS-10F-0191X (401)849-4750 QUEENS VILLAGE ,NY s  
PWC MANAGEMENT, LLC 47QRAA22D001S (412)512-0694 FAIRFAX ,VA s/d    
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 (781)795-2581 LORTON ,VA o  
QTEC, INC       47QRAA22D00D4 256-883-7994 HUNTSVILLE ,AL s/w/wo
QUALIS CORPORATION GS-10F-0025U 256-327-3512 HUNTSVILLE ,AL s/w/wo
QUALITY INNOVATION, INC. 47QRAA18D000E 703-382-6207 AUSTIN ,TX s/dv/h
QUANTERION SOLUTIONS INC 47QRAA22D0047 315-732-0097 UTICA ,NY s
QUANTUM RESEARCH INTERNATIONAL, INC. 47QRAA19D00A9 256-971-1800 1245 HUNTSVILLE ,AL s
QUASARS INCORPORATED 47QTCA18D006V 202-507-9446 WASHINGTON ,DC s/w/wo/h
R C M TECHNOLOGIES, INC.       47QRAA18D00F0 (856)356-4533 PENNSAUKEN ,NJ o  
R.P. GATTA, INC.       47QRAA22D007G 216-386-0453 AURORA ,OH s
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 (614) 271-0793 CORONADO ,CA s/dv
RADIAL SOLUTIONS INC 47QRAA21D008F 2563052810 HUNTSVILLE ,AL s/dv/d/8a
RADIANCE TECHNOLOGIES, INC.       47QRAA19D008B 256-489-8960 HUNTSVILLE ,AL s
RAYTHEON COMPANY GS-35F-204GA 310-710-8372 WALTHAM ,MA o
RDM ENGINEERING, LLC       47QRAA22D0017 202.246.5149 OAK RIDGE ,NJ s
RE MANAGEMENT SOLUTIONS LLC 47QRAA22D007E (301)922-9420 BALTIMORE ,MD s/h    
RED CANYON SOFTWARE, INC       GS-00F-044GA (303)864-0556 DENVER ,CO s/dv/h  
RED GATE GROUP, LIMITED, THE GS-10F-0262X 2026000516 CHANTILLY ,VA s/dv
REDHORSE CORPORATION GS-07F-134GA (619) 241-4609 ARLINGTON ,VA o
REDHORSE CORPORATION       GS-00F-0013Y 619-241-4609 ARLINGTON ,VA o
REED ENTERPRISE CONSULTING LLC       47QRAA18D00EP (256)603-4353 HUNTSVILLE ,AL s/dv/h  
RELIANT TECHNOLOGIES INC       47QRAA22D004V 256-426-8056 HUNTSVILLE ,AL s/v
RELOGIC RESEARCH, INC. 47QRAA23D0024 256-713-7401 HUNTSVILLE ,AL s/d/8a
RESEARCH TRIANGLE INSTITUTE GS-00F-354CA 9195416624 RESEARCH TRIANGLE P ,NC o
RESPEC COMPANY, LLC 47QTCA19D0084 (605) 394-6400 RAPID CITY ,SD o
RHINO FIRE PROTECTION ENGINEERING, PLLC GS-10F-0194Y 7034765034 RESTON ,VA s
RHINOCORPS, LTD CO. 47QRAA22D000P (703) 850-8281 ALBUQUERQUE ,NM s
RICARDO DEFENSE, INC. GS-10F-0212T 248-928-2347 GOLETA ,CA o
RIVERSIDE RESEARCH INSTITUTE 47QRAA19D00CN 937-427-7009 NEW YORK ,NY o
RIVERSIDE TECHNOLOGY, INC. GS-00F-0026P 9705685657 LOVELAND ,CO s
RIVERSTONE SOLUTIONS, INC. 47QTCA20D006F (256)716-8379 HUNTSVILLE ,AL s/w/wo/d/h  
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
ROBISON ENGINEERING CO INC       47QRAA23D003S (775)825-2251 SPARKS ,NV s    
ROCCOMAR, INC. 47QTCA21D00C2 7036294057 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
RSC2, INC 47QTCA19D00J2 410-991-2787 BALTIMORE ,MD s/h
S & B CHRIST CONSULTING LLC 47QRAA23D002V 702-308-1257 LAS VEGAS ,NV s/w/wo/ew/dv/d/8a
S & K GLOBAL SOLUTIONS, LLC.       GS-35F-076DA 6033622178 POLSON ,MT s/d/8a
S&K FEDERAL SERVICES, LLC 47QRAA22D008G 603-362-2178 SAINT IGNATIUS ,MT s/d/8a
S2 ANALYTICAL SOLUTIONS, LLC 47QRAA19D006L 571-306-0715 HERNDON ,VA s/v
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. 47QSHA18D000D 2059094989 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
SARGENT & LUNDY ENGINEERING SERVICES, INC       47QRAA22D00ER (312)269-7556 CHICAGO ,IL o    
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 937-490-4060 BEAVERCREEK ,OH o
SAYRES AND ASSOCIATES LLC GS-00F-027CA (202)355-0922 WASHINGTON ,DC o  
SCAVET TECHNOLOGIES LLC GS-10F-087BA 856-218-9496 BLACKWOOD ,NJ s/dv
SCHAPER ENERGY CONSULTING LLC       47QRAA22D006K 713-515-4620 HOUSTON ,TX s
SCIENCE AND ENGINEERING SERVICES, LLC 47QRAA22D009S 256-258-3494 HUNTSVILLE ,AL 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 703-981-7244 RESTON ,VA o
SCIENCE SYSTEMS AND APPLICATIONS, INC.       47QRAA23D0014 (301)867-2000 LANHAM ,MD s    
SCIENTIFIC & BIOMEDICAL MICROSYSTEMS, LLC GS-10F-0497X 703-848-8850 GLEN BURNIE ,MD s
SCIENTIFIC RESEARCH CORPORATION 47QRAA21D0085 770-989-9447 ATLANTA ,GA o
SCITECH SERVICES, INC. GS-02F-0259X 443-303-3623 HAVRE DE GRACE ,MD s
SDS INTERNATIONAL, INC.       47QRAA21D004U 540-424-5926 ROCKLEDGE ,FL s/dv
SEBA PROFESSIONAL SERVICES LLC GS-23F-057AA 703-856-2078 RIVERDALE ,MD s/w/wo/ew/d/h
SEI GROUP, INC. 47QRAA19D001U 256-533-0500 HUNTSVILLE ,AL o
SELAH GROUP FLORIDA, INC.       47QRAA22D0011 (321)305-4965 ROCKLEDGE ,FL s/d    
SELF TECHNOLOGIES, INC.       47QRAA19D001D 256-535-9517 OWENS CROSS ROADS ,AL s/w/wo
SEMPER VALENS SOLUTIONS, INC. 47QTCA19D00DW 703-485-5500 CANYON LAKE ,TX s/dv
SENECA GLOBAL SERVICES LLC