GSA Federal Acquisition Service
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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.
1106 contractors

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Search Contractor T&Cs/Pricelist
Contractor       Contract # Phone City, State Socio-
Economic		 Contractor T&Cs
/Pricelist		 View Catalog
3S SOLUTIONS LLC       47QTCA23D0085 703-786-7047 FAIRFAX ,VA s/d
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-00F-191CA 301-215-7593 CHEVY CHASE ,MD o
ABACUS TECHNOLOGY CORPORATION GS-35F-720GA 301-215-7593 CHEVY CHASE ,MD o
ABSG CONSULTING INC. GS-00F-026CA 571-982-2225 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 CORP 47QRAA20D0013 (256)461-8063 MADISON ,AL s/w/wo  
ACCUSTRATA INC 47QSWA20D003F 301 332 6167 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 7039663786 GREAT FALLS ,VA s
ACQUISITION, RESEARCH & 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 & 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 LYNN HAVEN ,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
AED AERO INC 47QRAA18D00G0 (240)237-8475 LEXINGTON PARK ,MD s/dv  
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 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
AKF GROUP LLC 47QRAA22D0023 804-273-8318 NEW YORK ,NY 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  
ALETO, INC. 47QRAA21D0035 2024987350 ARLINGTON ,VA s/d/8a
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
ALLUVIONIC INC. 47QRAA20D003F 5012594288 MELBOURNE ,FL s/w/wo/ew/d/8a
ALPHA CONSTRUCTION AND ENGINEERING CORPORATION 47QRAA23D005W 571-346-1150 DULLES ,VA o
ALPHA FACILITIES SOLUTIONS, LLC 47QRAA20D000T 2106013190 SAN ANTONIO ,TX s/dv/d
ALPHASIX CORP GS-35F-307AA 703-579-6479 STERLING ,VA o
ALPHASIX CORP 47QRAA19D00B6 703-579-6479 STERLING ,VA o
ALTA VIA CONSULTING LLC GS-00F-007GA 708-466-1935 LOUDON ,TN o
ALTAMIRA TECHNOLOGIES CORP 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 CHANTILLY ,VA 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 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 6302127261 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 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 CO 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 CHANTILLY ,VA s  
ARORA ENGINEERS, LLC 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 LLC 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
BARRIOS TECHNOLOGY LTD       47QRAA23D006P (281)280-1961 HOUSTON ,TX s/w/wo    
BASTION TECHNOLOGIES, INC. 47QRAA19D007C 281-283-9359 HOUSTON ,TX s/d
BATTELLE MEMORIAL INSTITUTE GS-00F-084CA 614-424-3522 COLUMBUS ,OH o
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 2024109200 X210 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 INC. 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
BLACKMERE TALENT ACQUISITION & CONSULTING LLC 47QTCA23D0082 614-530-2414 IDAHO FALLS ,ID s/w/wo/ew/d
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
BMC CONSULTING, LLC 47QRAA23D006Q (561)644-1329 WELLINGTON ,FL s/d    
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 OAK RIDGE ,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, LLC 47QRAA18D0062 410-844-4526 FAIRBORN ,OH o
BRMI CORPORATION GS-35F-0490W 443-418-6674 SILVER SPRING ,MD o
BROADDUS & ASSOCIATES, INC. 47QRAA23D0062 (512)329-8822 WEST LAKE HILLS ,TX s/dv/d    
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
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 MC LEAN ,VA o
C2 TECHNOLOGY SOLUTIONS INC. GS-35F-272GA 410-794-6792 COLUMBIA ,MD s/d/8a
C4 PLANNING SOLUTIONS, LLC 47QRAA18D006V 7065921520 EXT. 143 BLYTHE ,GA o
CACI, INC. - FEDERAL GS-00F-268CA 703-679-3412 CHANTILLY ,VA o
CALIOLA ENGINEERING, LLC       GS-10F-0187X (310)936-6157 COLORADO SPRINGS ,CO s/w/wo  
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 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 CORP GS-00F-085CA 303-383-2300 FAIRFAX ,VA o
CDO CONSULTING SERVICES LLC 47QRAA23D0029 2566552516 MADISON ,AL s/dv/d
CENPEC LLC 47QRAA23D005G (240)686-3059 GLENN DALE ,MD s/d    
CENTAUR CONSULTING GROUP LLC 47QRAA22D00DL 240 338-1705 CLARKSBURG ,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 (240)602-2780 GAITHERSBURG ,MD s  
CGH TECHNOLOGIES, INC. 47QRAA18D00DD 202-580-7401 WASHINGTON ,DC s/w/wo
CGI FEDERAL INC. GS-00F-302CA 703-227-4652 FAIRFAX ,VA o
CGI FEDERAL INC. GS-35F-281DA 7032274652 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 TULSA ,OK o
CHEROKEE NATION RED WING, L.L.C. GS-00F-007DA 918-430-3407 TULSA ,OK s/d/h
CHEROKEE NATION TECHNOLOGY SOLUTIONS LLC GS-00F-330GA 918-430-3407 TULSA ,OK o
CHIMERA ENTERPRISES INTERNATIONAL, INCORPORATED       47QRAA18D0034 4437398187 EDGEWOOD ,MD s/dv
CHITRA PRODUCTIONS LLC 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 LAKEWOOD ,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 301-322-7860 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, INC 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
COMMAND COMMISSIONING, LLC       47QSHA22D000X 214-441-0782 IRVING ,TX s/d
COMPUTER MAINSTREAM CORP 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 CORP 47QRAA21D0021 814-269-2871 JOHNSTOWN ,PA o
CONSTRUCTION SUPPORT SOLUTIONS LLC GS-10F-106BA 440-541-6642 AVON LAKE ,OH s/w/wo
CONSULTANT ENGINEERING INC 47QRAA23D0065 (480)258-4829 PHOENIX ,AZ o    
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 SERVICES 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
D & G SUPPORT SERVICES LLC GS-00F-131DA 7034033463 WOODBRIDGE ,VA s/w/wo/ew/dv/d/8a
D P ASSOCIATES INC GS-10F-0361U 256-837-8300 HUNTSVILLE ,AL s/w/wo/ew/d
D P ASSOCIATES INC       47QRAA23D0050 (256)837-8300 HUNTSVILLE ,AL s/w/wo/ew/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 o  
DATA MONITOR SYSTEMS INC GS-10F-0281P (405)737-7950 OKLAHOMA CITY ,OK s/dv/d/8a  
DATA MONITOR SYSTEMS INC       47QRAA21D009Z (405) 737-7950 OKLAHOMA CITY ,OK s/dv
DAV ENERGY SOLUTIONS, INC. GS-00F-314GA 619-663-7007 SAN DIEGO ,CA s/dv
DAVID CLARK CO INC       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)327-4734 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 LLC 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 ARLINGTON ,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 CO 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 s
DYNETICS, INC. GS-00F-045CA 2567135320 HUNTSVILLE ,AL o
E B A ERNEST BLAND ASSOCIATES, P.C. 47QRAA18D002L 301-289-4811 SILVER SPRING ,MD s/d
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
ECOMPEX, INC. 47QTCA21D005C 7036354917 ARLINGTON ,VA 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 CORP 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 CORP GS-23F-0167S 703-505-1905 RESTON ,VA o
EMERGENT SPACE TECHNOLOGIES INC GS-00F-196DA 301-345-1535 LAUREL ,MD s
EMPOWER AI, INC. GS-00F-263CA 703-707-6730 RESTON ,VA o
ENERGY AND SECURITY GROUP, LLC GS-10F-0451P 703-476-3212 RESTON ,VA s
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 TECHNOLOGIES INC. GS-00F-0062N 609-204-1386 CORAL SPRINGS ,FL s/w/wo
ENGINEERING AND SOFTWARE SYSTEM SOLUTIONS, INC.       GS-10F-0237Y 6193306166 SAN DIEGO ,CA s/w/wo
ENGINEERING RESEARCH AND CONSULTING, INC.       47QRAA21D004J 256-327-9162 HUNTSVILLE ,AL o
ENSCO INC       47QRAA20D006C 703-321-4727 SPRINGFIELD ,VA o
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
ESCIENCE & TECHNOLOGY SOLUTIONS, INC. 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  
EXCEL SERVICES CORPORATION       47QRAA22D000K (301)984-4400 ROCKVILLE ,MD o    
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
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
FIELD MANAGEMENT SERVICES INC 47QRAA20D000W (212)628-6860 LOS ANGELES ,CA s  
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
FLUX RESOURCES, LLC 47QRAA22D0002 503-558-3465 TIGARD ,OR o
FMF PANDION 47QRAA22D002R 760-212-9120 ENCINITAS ,CA s/dv/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
FORGE GROUP, LLC 47QTCA21D00D5 703-296-7038 HERNDON ,VA s/w/wo/ew/dv/d/8a
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, INCORPORATED GS-00F-013CA (703) 516-3031 ARLINGTON ,VA s/w/wo
FREW DEVELOPMENT GROUP LLC 47QRAA20D004W 303-333-1788 BAINBRIDGE IS ,WA s
FS3, INC. GS-10F-125BA 714.864.8186 SAN CLEMENTE ,CA s/d
FTS INTERNATIONAL, LLC 47QRAA19D0064 703-225-7713 CHANTILLY ,VA s
G2 OPS, INC. 47QRAA18D0002 757-373-7368 VIRGINIA BEACH ,VA s/w/wo/ew/d
GALORATH INCORPORATED 47QTCA19D00JW 3104143222 LONG BEACH ,CA s
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GANNETT FLEMING, INC. GS-00F-114CA 703-277-9505 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 CORP 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
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. 47QRAA22D008D 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 DYNAMICS INFORMATION TECHNOLOGY, INC. GS-00F-256CA 703-995-3733 FALLS CHURCH ,VA o
GENERAL DYNAMICS INFORMATION TECHNOLOGY, INC. GS-00F-313CA 703-995-3733 FALLS CHURCH ,VA o
GENERAL INFOMATICS-A SERVICE DISABLED OWNED VETERAN BUSINESS, INC. 47QRAA18D002D 7035605119 MC LEAN ,VA s/dv/d
GENERAL TECHNICAL SERVICES LLC       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
GEOENGINEERS INC 47QRAA18D00E3 (206)239-3229 REDMOND ,WA o  
GEOGRAPHIC INFORMATION SERVICES, INC.       GS-35F-0682R 205-725-5836 HOOVER ,AL s
GEOGRAPHIC INFORMATION SERVICES, INC. 47QRAA19D00BD 2057255836 HOOVER ,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
GLEASON RESEARCH ASSOCIATES INC 47QTCA19D007A 2568837000 HUNTSVILLE ,AL s
GLOBAL C2 INTEGRATION TECHNOLOGIES LLC 47QRAA18D0067 (210) 639-0500 LAS VEGAS ,NV s/dv
GLOBAL ENGINEERING & TECHNOLOGY INC 47QRAA18D000R 202-899-2988 MIAMI ,FL s/d
GLOBAL ENGINEERING SOLUTIONS INC GS-10F-0160Y 3012162871 BETHESDA ,MD o
GLOBAL SYSTEMS ENGINEERING LLC 47QRAA20D0060 703-915-2338 ALEXANDRIA ,VA s/h
GLOBAL SYSTEMS TECHNOLOGIES, INC. GS-10F-0461Y 5712286726 MORRISVILLE ,PA s
GLOBAL TECHNOLOGY AND MANAGEMENT RESOURCES, INC. GS-00F-080GA 301-475-8181 HOLLYWOOD ,MD s/v
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
GP STRATEGIES CORPORATION 47QRAA21D005R 6672607404 COLUMBIA ,MD o
GRACE & NAEEM UDDIN INC 47QRAA20D001X 954-693-0620 SUNRISE ,FL s/w/wo
GRANT ENGINEERING & CONSTRUCTION GROUP LLC 47QRAA23D0001 (973)358-5020 NEWARK ,NJ s    
GRAY ANALYTICS, INC. 47QRAA23D003D 256-384-6034 HUNTSVILLE ,AL s
GREEN & 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 INC GS-10F-214AA 3102420032 SAN PEDRO ,CA s/h
GREENMAN-PEDERSEN INC 47QRAA21D004M 518-209-4823 BABYLON ,NY o
GROUP W INC GS-00F-069GA 703-752-5841 VIENNA ,VA s
GROVE RESOURCE SOLUTIONS, INC.       GS-10F-0502X 240-772-2433 BETHESDA ,MD o
GSD LLC 47QRAA21D0022 7572070809 WILLIAMSBURG ,VA s/v
GUIDEHOUSE INC. GS-00F-045DA 7036566381 MCLEAN ,VA o
GUIDEHOUSE INC. 47QRAA19D0085 703-637-2835 MCLEAN ,VA o
HAMILTON SUNDSTRAND SPACE SYSTEMS INTERNATIONAL, INC. GS-10F-0439X (860)654-4244 HOUSTON ,TX o  
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
HAYAT BROWN LLC 47QRAA23D0078 (202)494-1699 WASHINGTON ,DC s/w/wo/ew/d/8a/h    
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 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, LLC       47QRAA18D0056 2569701258 HUNTSVILLE ,AL o
HKM ENTERPRISES, INC 47QRAA23D005S (858)527-7183 SAN DIEGO ,CA s/d    
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 INC 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  
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 o  
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 757-504-0123 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 LLC GS-10F-014AA 256-705-6830 HUNTSVILLE ,AL s
INTRINSIC FIRST LLC 47QRAA23D006C (619)822-6546 POWAY ,CA s/dv/d    
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, LLC 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, LLC 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 9788731393 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 HOLDING CO       GS-10F-0447Y 719-484-8750 COLORADO SPRINGS ,CO s
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 8606620057 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 RESEARCH AND DEVELOPMENT INC 47QRAA23D006L (540)288-3132 STAFFORD ,VA s    
JOINT VENTURE SOLUTIONS (JVS) LLC GS-00F-099GA 4432800698 MILLERSVILLE ,MD s/dv
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
KATMAI INTEGRATED SOLUTIONS, LLC 47QSHA19D000H 9073337000 ANCHORAGE ,AK s/d/8a
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  
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 571-244-4643 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  
KPG GLOBAL ENTERPRISES LLC 47QTCA23D007B 3179150671 FISHERS ,IN s/d
KPMG LLP
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KRAMER CONSULTING SERVICES PC 47QRAA19D001M 2023399000 WASHINGTON ,DC s
L2 SOLUTIONS LLC       47QRAA22D0040 713-582-9295 PROVO ,UT 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-00F-022CA 240-460-5984 RESTON ,VA o
LEIDOS, INC. GS-35F-116AA (571) 526-7085 RESTON ,VA o
LELAND SAYLOR & ASSOCIATES, INC. 47QRAA19D00AZ (561)640-9171 WALNUT CREEK ,CA s/dv  
LEONARDO TECHNOLOGIES INC.       GS-23F-0231R 7409682222X104 ST CLAIRSVILLE ,OH s
LEONARDO TECHNOLOGIES INC.       47QRAA21D000U 7409682222X104 ST CLAIRSVILLE ,OH s
LINC RESEARCH, INC. 47QRAA20D008M 2562214694 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
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 GS-00F-125CA 7034315855 LEESBURG ,VA o
LYNKER CORPORATION 47QTCA19D00GN 7034315855 LEESBURG ,VA s/h
M. C. DEAN, INC. 47QSWA19D002W 703-243-6231 TYSONS ,VA o
M.J. ENGINEERING AND LAND SURVEYING, P.C. 47QRAA23D005R (518)371-0799 CLIFTON PARK ,NY s    
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
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 LLC 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
MANUFACTURING TECHNICAL SOLUTIONS, LLC 47QRAA21D001L 256-890-9090 HUNTSVILLE ,AL s/w/wo
MARINE DESIGN & 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 (703)641-9088 FAIRFAX ,VA o  
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 & 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
MICROCOM DESIGN INC GS-10F-0213W 410-771-1070 COCKEYSVILLE ,MD s
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
MINO MARINE LLC 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
MIRACORP INC 47QSHA20D000Z 571-589-8970 MESA ,AZ s/w/wo/ew/dv/d
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
MOCA SYSTEMS, INC. GS-00F-255CA 562-230-4113 BOSTON ,MA s
MODERN TECHNOLOGY SOLUTIONS, INC.       47QRAA20D0036 703-564-3800 ALEXANDRIA ,VA s
MONTE SANO RESEARCH CORPORATION       47QRAA18D006B 2569372407 HUNTSVILLE ,AL s
MORSECORP, INC 47QRAA18D00A1 617-314-7509 CAMBRIDGE ,MA s
MP SOLUTIONS, LLC GS-00F-088GA 571-445-6320 ALEXANDRIA ,VA s/w/wo/h
MPR ASSOCIATES, INC. 47QRAA19D0078 703-519-0200 ALEXANDRIA ,VA o
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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
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NAVIGATE BUILDING SOLUTIONS LLC 47QRAA19D002F 314-713-6205 SAINT LOUIS ,MO s
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NAVIGATOR INTERNATIONAL LLC GS-00F-393GA 334-348-1550 HUNTSVILLE ,AL o
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NELSON ENGINEERING CO. GS-00F-324CA 3214491128 MERRITT ISLAND ,FL s
NEPTUNE & CO INC 47QRAA23D0019 720-746-1803 LAKEWOOD ,CO s/w/wo
NETCENTRIC TECHNOLOGY, LLC 47QRAA19D00AU 571-418-9792 WALL ,NJ s/d
NETORIAN LIMITED LIABILITY COMPANY GS-35F-266AA 4439003800 ABERDEEN ,MD s
NETSEA TECHNOLOGIES, LLC 47QRAA22D00E0 774-571-2191 BEL AIR ,MD s
NEWPORT PARTNERS 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
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 o
OASYS, INC. GS-00F-182DA 407-491-1989 HUNTSVILLE ,AL s
OCEAN ASSOCIATES INC GS-10F-0567P 703-388-9548 ARLINGTON ,VA s/w/wo
OCEAN ASSOCIATES INC 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    
OST INC 47QRAA18D0090 703-462-9700 MC LEAN ,VA o
OTAK, INC. GS-10F-0401X 503-287-6825 PORTLAND ,OR o
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 INC 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
PATRIOTS INTERNATIONAL LLC 47QRAA23D006Y (256)278-9070 ALEXANDRIA ,VA s/dv/d    
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
PERFORMANCE DEFENSE, LLC 47QTCA23D0075 8132172539 PHOENIX ,AZ s/d
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
PHASED N RESEARCH INC       47QRAA21D001V 2567974631 HUNTSVILLE ,AL s/h
PHOTON EFLUX, LLC       47QRAA23D0048 (270)300-1716 HUNTSVILLE ,AL s    
PINNACLE SOLUTIONS INC GS-00F-0017X 256-489-1565 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 734-418-7913 ANN ARBOR ,MI o
PMSI.USA LLC 47QRAA22D00DU (317) 432-6920 NOBLESVILLE ,IN s/dv/d
POINT INNOVATION, INC 47QRAA23D0013 972-315-9207 LEWISVILLE ,TX s
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
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
POWER & CONTROL ENGINEERING SOLUTIONS, LLC       47QRAA23D001Q 918-307-7680 TULSA ,OK s
PPT SOLUTIONS, INC. GS-00F-422GA 256-319-0423 HUNTSVILLE ,AL s
PRECISE SYSTEMS INC 47QTCA20D007Q 301-863-3627 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 (917)330-3069 MC LEAN ,VA o  
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 LLC 47QRAA18D006N 303-246-3377 STUART ,FL s
PROCLEARED LLC 47QRAA19D005W 540-422-1202 AMISSVILLE ,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 ACQUISITION & TECHNICAL SERVICES INC 47QTCA18D007W 703-416-1304 FALLS CHURCH ,VA o
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
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
PROJECT SOLUTIONS GROUP, INC. GS-00F-367GA 7035630480 WARRENTON ,VA s
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
PROTECTION STRATEGIES INC GS-02F-0067T (865) 585-8846 KNOXVILLE ,TN s/dv
PURVIS SYSTEMS INC GS-10F-0191X (401)849-4750 QUEENS VILLAGE ,NY s  
PWC MANAGEMENT LLC 47QRAA22D001S (412)512-0694 FAIRFAX ,VA s/d    
QED SYSTEMS INC GS-00F-059CA 757-490-5021 VIRGINIA BEACH ,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
QUIDDITY ENGINEERING, LLC 47QRAA20D003D 7137775337 BELLAIRE ,TX o
R C M TECHNOLOGIES, INC.       47QRAA18D00F0 301-986-1412 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  
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 7758522251 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 FEDERAL SERVICES LLC 47QRAA22D008G 603-362-2178 SAINT IGNATIUS ,MT s/d/8a
S & K GLOBAL SOLUTIONS, LLC.       GS-35F-076DA 6033622178 POLSON ,MT s/d/8a
S2 ANALYTICAL SOLUTIONS LLC 47QRAA19D006L 571- 497-5692 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
SABRE SYSTEMS INC GS-35F-366BA 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 (210)788-1034 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 & TECHNOLOGY CORPORATION 47QRAA21D0061 757-766-5819 HAMPTON ,VA 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 APPLICATIONS INTERNATIONAL CORPORATION GS-00F-002CA 703-981-7244 RESTON ,VA o
SCIENCE SYSTEMS & 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 47QTCA23D003G 202-740-8442 CHANTILLY ,VA s/d/8a
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 (859)572-4400 WOODCLIFF LAKE ,NJ s/d  
SERCO INC GS-00F-129CA 703-414-5016 HERNDON ,VA o
SERCO INC GS-00F-193CA 703.263.6000 HERNDON ,VA o
SERCO INC GS-00F-297CA 703-414-5016 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, LLC       GS-10F-0008V 7036629778 WOODBRIDGE ,VA o
SEV1TECH, LLC 47QRAA18D008N 504-831-1900 WOODBRIDGE ,VA