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

*Attention: 8(a) JV Eligible, WOSB JV Eligible, SDVOSB JV Eligible and HUBZone JV Eligible contractors are self certified. Ordering agencies must confirm eligibility at the order level.


MAS Multiple Award Schedule
Professional Services - Technical and Engineering Services (non-IT)
Category Description
541715 Engineering Research and Development and Strategic Planning Service include conducting research and experimental development (except nanotechnology and biotechnology research and experimental development) in the physical, engineering and life sciences such as; such as agriculture, electronics, environmental, biology, botany, computers, chemistry, food, fisheries, forests, geology, health, mathematics, medicine, oceanography, pharmacy, physics, veterinary and other allied subjects.

Typical tasks include, but are not limited to, analysis of mission, program goals and objectives, program evaluations, analysis of program effectiveness, requirements analysis, organizational performance assessment, special studies and analysis, training, and consulting; requirements analysis, cost/cost performance trade-off analysis,feasibility analysis, developing and completing fire safety evaluation worksheets as they relate to professional engineering services; operation and maintenance, evaluation of inspection, testing, and maintenance program for fire protection and life safety systems, program/project management, technology transfer/insertion, training and consulting.

NOTE: Services under this NAICs can not include architect-engineer services as defined in the Brooks Act and FAR Part 2 or construction services as defined in the Federal Acquisition Regulation Part 36 and Part 2.
738 contractors

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Contractor       Contract # Phone City, State Socio-
Economic
Terms & Conditions / Price List View Catalog
3U TECHNOLOGIES, LLC GS-10F-119AA 301-452-3152 CONROE ,TX s
4M RESEARCH, INC 47QRAA19D0094 2563194646 HUNTSVILLE ,AL s/w/wo
4S - SILVERSWORD SOFTWARE & SERVICES, LLC 47QRAA24D0077 865-369-7389 CATONSVILLE ,MD s/d/8a/hn/8aS
5-D SYSTEMS, INC. 47QRAA23D009E 512-238-9840 ROUND ROCK ,TX o
@ORCHARD LLC 47QRAA20D009K 202-531-3373 AUSTIN ,TX s/w/wo/d/8a/8aS
A-P-T RESEARCH, INC.       47QRAA21D0040 2563274015 HUNTSVILLE ,AL s
A2 SYSTEMS ENGINEERING, INC. GS-10F-0316X 31046966606 EL SEGUNDO ,CA s/v
AASA, INC. GS-35F-171GA 703-444-6170 MC LEAN ,VA s/d
ABACUS TECHNOLOGY CORPORATION GS-35F-720GA 301-215-7593 CHEVY CHASE ,MD o
ABL TECHNOLOGIES, LLC       47QRAA24D00AM 256-715-6744 MADISON ,AL s/dv/dvjv
ABSG CONSULTING INC GS-00F-026CA 571-982-2225 SPRING ,TX o
ABT, INC. GS-23F-0109S 256-679-7950 HUNTSVILLE ,AL s/dv
ACQCENTRIC, INC. 47QRAA22D0026 256-665-7813 HUNTSVILLE ,AL s/w/wo/ew/dv/d/8a/8aS
ACQUIRED DATA SOLUTIONS, INC. GS-00F-228GA 301-984-4193 ROCKVILLE ,MD s
ACQUISITION RESEARCH & LOGISTICS INC GS-10F-0415X 301-749-1410 LANHAM ,MD s/dv/d
ACQUISITION SYSTEMS ASSOCIATES, INC. 47QRAA19D001V 703 966 3786 GREAT FALLS ,VA s
ACTUALIZED BUSINESS SOLUTIONS INC 47QRAA20D007J 2402981218 CALIFORNIA ,MD s/dv
ADVANCED MANAGEMENT STRATEGIES GROUP, INC. GS-00F-024CA 571-391-0435 DUMFRIES ,VA s/dv
ADVANCED PROJECT CONSULTING, LLC GS-00F-122GA 478-420-0272 WARNER ROBINS ,GA s/w/wo/ew/dv/d/8a
AECOM TECHNICAL SERVICES, INC. GS-00F-188CA 512-630-4479 LOS ANGELES ,CA o
AERIAL PRODUCTIONS INTERNATIONAL, INC. GS-10F-178AA (520)240-2338 TUCSON ,AZ s  
AERO THERMO TECHNOLOGY, INC 47QRAA18D00BA 2569221141 HUNTSVILLE ,AL s/w/wo
AEROSPACE BUSINESS DEVELOPMENT ASSOCIATES, INC. GS-00F-312DA 9373181640 FAIRBORN ,OH s/v
AFG GROUP INC. 47QRAA20D009J 703-435-0029 HERNDON ,VA s/w/wo
AI SIGNAL RESEARCH INC 47QRAA24D00F8 256-551-0008 X339 HUNTSVILLE ,AL s
AI SIGNAL RESEARCH INC GS-10F-0254T * 2565510008 HUNTSVILLE ,AL s  
AIM CONSULTING, LLC 47QRAA23D005M 443-417-4138 BEL AIR ,MD s/w/wo/d/8a/8aS
ALEX-ALTERNATIVE EXPERTS, LLC 47QRAA18D003Y 703-547-1665 MARSHALL ,VA s
ALLEGHENY SCIENCE & TECHNOLOGY CORPORATION GS-10F-053AA 304-319-0044 BRIDGEPORT ,WV s/w/wo
ALLIANCE POINTE LLC 47QRAA18D00GY 7036265152 URBANNA ,VA s/w/wo/h
ALLUVIONIC INC 47QRAA20D003F 321-241-4510 MELBOURNE ,FL s/w/wo/ew/d/8a/8aS
ALPHA CONSTRUCTION AND ENGINEERING CORPORATION 47QRAA23D005W 571-346-1150 STERLING ,VA s/w/wo
ALPHASIX, LLC. GS-35F-307AA 703-579-6479 STERLING ,VA 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
AMEE BAY, LLC GS-10F-0255V 843-414-4141 ANCHORAGE ,AK s/d/an
AMENTUM SERVICES, INC. GS-00F-046CA 240-678-9145 CHANTILLY ,VA o
AMENTUM TECHNICAL SERVICES LLC 47QRAA20D006B 865-352-6757 AIKEN ,SC o
AMERICAN SYSTEMS CORPORATION GS-35F-500CA 7039685068 CHANTILLY ,VA o
AMPERSAND SOLUTIONS GROUP INC 47QRAA24D007J 256-469-8663 HUNTSVILLE ,AL s/d
ANALYGENCE, INC. 47QRAA20D005D 3018306092 FULTON ,MD s/dv/d/8a
ANALYTIC SERVICES INC. GS-00F-095CA (703) 416-1304 ARLINGTON ,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/an
ANDROMEDA SYSTEMS INCORPORATED GS-10F-0300Y (904) 402-8652 VIRGINIA BEACH ,VA o
ANTARES GROUP INCORPORATED       47QRAA19D008S 540-421-2254 HARRISONBURG ,VA 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 970-626-5091 RIDGWAY ,CO s
APPLIED INSIGHT, LLC GS-00F-145GA 703-215-8100 RESTON ,VA o
APPLIED RESEARCH ASSOCIATES, INC. 47QRAA24D003E 505-881-8074 ALBUQUERQUE ,NM o
APPLIED RESEARCH SOLUTIONS, INC. GS-00F-135GA 937-912-6100 BEAVERCREEK ,OH s
APPLIED THERMAL COATINGS, INC. 47QRAA23D001J 423-267-0972 CHATTANOOGA ,TN s/d/ai
APSI CONSTRUCTION MANAGEMENT GS-23F-0054S 949-679-0202 IRVINE ,CA s
APTIMA INC       47QRAA24D005C 2025526135 WOBURN ,MA s
APTIVE RESOURCES LLC GS-07F-281BA 571-438-1517 ALEXANDRIA ,VA o
ARBOR RESEARCH COLLABORATIVE FOR HEALTH       47QRAA22D008J 7346654108 ANN ARBOR ,MI o
ARBOR RESEARCH, LLC       47QRAA24D00BA 7343699637 ANN ARBOR ,MI s
ARCHARITHMS INC GS-00F-175DA 256-426-2915 HUNTSVILLE ,AL s/h
ARCTOS TECHNOLOGY SOLUTIONS, LLC GS-00F-0005U (937) 426-2808 DAYTON ,OH o
ARES CORPORATION 47QRAA21D003Z 7037149960 MCLEAN ,VA o
ARGO SYSTEMS, LLC GS-10F-0335T 410-768-2444 BALTIMORE ,MD o
ART ANDERSON ASSOCIATES INC       GS-10F-0159U 3604795600 BREMERTON ,WA s/v
ARTISAN TECHNOLOGIES INC 47QRAA21D0091 937-510-0908 BEAVERCREEK ,OH s/d
ASR INTERNATIONAL CORP. GS-00F-283CA 6312311086 HAUPPAUGE ,NY s/d
ASRT, INC. 47QRAA25D002F (678)612-3667 SMYRNA ,GA s/d/8a/8aS    
ASU RESEARCH ENTERPRISE 47QRAA18D0082 4808840404 SCOTTSDALE ,AZ o
ATI, INC. 47QRAA18D00E9 410-992-3424 COLUMBIA ,MD s/d/hjv
ATKINSON AERONAUTICS & TECHNOLOGY, INC. 47QRAA18D009W 540-760-7499 FREDERICKSBURG ,VA s/dv
ATKINSREALIS USA INC 47QRAA21D002Z (813)281-4430 TAMPA ,FL o  
ATTOLLO LLC 47QRAA24D00D6 (708)426-3262 NEW BERN ,NC s/dv    
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
AVANTUS FEDERAL LLC GS-00F-151CA 8333817467 MCLEAN ,VA o
AVIAN, LLC 47QRAA18D006L 301-866-2070 EXT. #1 LEXINGTON PARK ,MD s/dv
AVIATION & MISSILE SOLUTIONS, LLC       47QRAA23D0099 2566903682 HUNTSVILLE ,AL s
AVION SOLUTIONS, INC. 47QRAA22D0091 256-721-7006 HUNTSVILLE ,AL o
AVNIK DEFENSE SOLUTIONS INC GS-10F-219AA GS-10F-219AA HUNTSVILLE ,AL s/w/wo
AXIENT LLC       47QRAA20D0092 2567990669 ARLINGTON ,VA o
AXIENT LLC 47QTCA20D0088 2567990669 HUNTSVILLE ,AL o
AXLE INFORMATICS, LLC GS-35F-023GA 703-269-7618 NORTH BETHESDA ,MD s/w/wo/d
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
BAILEY COLLABORATIVE SOLUTIONS, LLC       47QRAA19D009R 256-724-6275 HUNTSVILLE ,AL s/h
BAKR TECHNOLOGIES LLC 47QRAA24D005H 240-224-4797 WHITE PLAINS ,MD s/dv/d
BANNER DEFENSE INC 47QRAA19D004Q 256-653-4475 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
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 561-359-4092 RALEIGH ,NC s/w/wo/ew/v/d
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/8aS
BINERA, INC. GS-00F-048CA 757-867-8538 YORKTOWN ,VA s/w/wo/ew
BLACK DIAMOND CONSULTING CORPORATION GS-00F-292GA 703-599-6266 ASHBURN ,VA s/d
BLUE SKY INNOVATORS INC. 47QRAA20D001N 571-261-6385 RESTON ,VA s
BLUEHALO LLC GS-10F-0019U 256-922-0802 HUNTSVILLE ,AL o
BLUEPATH LABS LLC 47QRAA19D0020 787-405-4501 WASHINGTON ,DC s/dv/d/8a/8aS
BLUEWATER FEDERAL SOLUTIONS, INC.       47QRAA20D001S 5712936554 CHANTILLY ,VA o
BODE CELLMARK FORENSICS, INC. 47QSWA22D00A5 7036469875 LORTON ,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 703-377-4359 MC LEAN ,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
BRATSLAVSKY CONSULTING ENGINEERS, INC. GS-00F-071CA 9072807619 ANCHORAGE ,AK s
BRILLIGENT SOLUTIONS, LLC 47QRAA18D0062 410-844-4526 FAIRBORN ,OH o
BRMI CORPORATION GS-35F-0490W 443-418-6674 SILVER SPRING ,MD s
BROWN TECHNOLOGIES INCORPORATED 47QRAA22D00BR 256-653-8546 HUNTSVILLE ,AL s/w/wo/ew/d/8a/h/8aS
BRYCE SPACE AND TECHNOLOGY, LLC 47QRAA18D00AN 7036472742 ALEXANDRIA ,VA s/w/wo
BTAS INC       47QRAA20D006J 937931-9431 BEAVERCREEK ,OH s/w/wo
C2 ALASKA, LLC 47QSHA22D000D 210-236-3940 SAN ANTONIO ,TX s/d/8a/an/8aS
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 II, LLC GS-10F-0195Y (256) 489-2988 HUNTSVILLE ,AL s/h
CAPABILITY ANALYSIS & MEASUREMENT ORGANIZATION LLC 47QRAA20D0048 937-458-3719; X412 BEAVERCREEK TOWNSHI ,OH s/dv
CAPSTONE MANAGEMENT CONSULTING, LLC 47QRAA21D009D 240-640-6206 LARGO ,MD s/w/wo/ew/d
CATALYST SOLUTIONS, LLC       GS-00F-412GA (540)602-2600 STAFFORD ,VA s/dv  
CDM FEDERAL PROGRAMS CORPORATION GS-00F-085CA 303-383-2300 FAIRFAX ,VA o
CE SOLUTIONS INC       47QRAA22D006Y (256)683-0938 HUNTSVILLE ,AL s  
CENTURUM INFORMATION TECHNOLOGY INC 47QRAA19D00AM 703-415-9384 MARLTON ,NJ o
CEPEDA SYSTEMS & SOFTWARE ANALYSIS, INC.       GS-00F-224GA 256-797-6492 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
CGI FEDERAL INC. GS-00F-302CA (703)227-4882 FAIRFAX ,VA o  
CGI FEDERAL INC. GS-35F-281DA 7032274652 FAIRFAX ,VA o
CHENEGA FACILITIES MANAGEMENT LLC 47QSHA20D0033 256-665-0610 SAN ANTONIO ,TX o
CHENEGA PROFESSIONAL & TECHNICAL SERVICES LLC       47QTCA20D002Y 757-410-4653 CHESAPEAKE ,VA s/d/8a/an/8aS
CHENEGA RELIABLE SERVICES LLC 47QSHA21D001A 210-236-3934 SAN ANTONIO ,TX s/d/8a/an/8aS
CHEROKEE NATION RED WING, L.L.C. GS-00F-007DA 918-430-3407 TULSA ,OK s/d/h/to/ai
CHEROKEE NATION TECHNOLOGY SOLUTIONS LLC GS-00F-330GA 918-430-3407 TULSA ,OK o
CHITRA PRODUCTIONS LLC GS-00F-271CA 7574950234 VIRGINIA BEACH ,VA s/w/wo/d
CICONIX, LLC 47QRAA21D002M 240-763-1800 ANNAPOLIS ,MD s/v/d/8a/8aS
CIMARRON SOFTWARE SERVICES, INC.       47QRAA19D004Y 8324033337 HOUSTON ,TX s/w/wo
CINTEL INC GS-00F-268GA 2564311237 HUNTSVILLE ,AL s
CITRINE LLC 47QRAA19D008Z 303-330-5385 LAKEWOOD ,CO s/dv/d/h
CLEARESULT ENERGETICS LLC GS-00F-147CA 703-329-4724 PORTLAND ,OR o
CLOUDBURST CONSULTING GROUP, INC. 47QRAA24D006L 301-412-9229 HYATTSVILLE ,MD s/w/wo
CLOUDBURST CONSULTING GROUP, INC. GS-10F-0218U 301-412-9229 HYATTSVILLE ,MD s/w/wo
CMT SERVICES, INC. 47QRAA19D008U 301-322-7860 HYATTSVILLE ,MD s/w/wo/h
COASPIRE LLC 47QRAA20D0037 703-915-0582 FAIRFAX ,VA s/dv
COGENT SECURITY CONSULTING LLC GS-00F-301DA (855) 226-4368 ALEXANDRIA ,VA s/d
COLSA CORP GS-00F-293CA 256-964-5276 HUNTSVILLE ,AL o
COLVIN RUN NETWORKS, INC 47QTCA23D0038 571-207-7487 TYSONS ,VA s/d
COMPREHENSIVE APPROACH LLC 47QRAA22D00AK 864-310-9404 FAIRFAX ,VA s/dv/d/8a/h/8aS
COMPUTERCRAFT CORPORATION GS-00F-262GA 5712663362 WASHINGTON ,DC s/w/wo/ai
CONCURRENT TECHNOLOGIES CORP 47QRAA21D0021 8142692871 JOHNSTOWN ,PA o
CONSOLIDATED SAFETY SERVICES INCORPORATED GS-00F-217CA (703) 877-3352 FAIRFAX ,VA o
CONTRACTING RESOURCES GROUP INC GS-00F-009CA 443-277-0781 BALTIMORE ,MD s/w/wo/ew/d
COOPER ZIETZ ENGINEERS, INC. GS-10F-0337T 5036529090 PORTLAND ,OR s/v/d/h/ai
CORNERSTONE CONCILIUM, INC GS-00F-0007S (415)705-7800 SAN FRANCISCO ,CA s/d/h
CORNFORTH CONSULTANTS, INC. 47QRAA20D007K 503-452-1100 PORTLAND ,OR s
CORPORATE ALLOCATION SERVICES INC 47QRAA24D00DF 407-821-0638 DENVER ,CO s/d/to/an
CORPORATE ALLOCATION SERVICES INC GS-10F-0311U 303-920-7264 DENVER ,CO s/w/d
CORTINA SOLUTIONS, LLC GS-00F-205DA 256-319-2024 HUNTSVILLE ,AL s/w/wo/ew/d/8a/h/8aS
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
CREDENCE MANAGEMENT SOLUTIONS LIMITED LIABILITY COMPANY 47QTCA19D00AX (571) 395-8820 VIENNA ,VA o
CROSSFLOW TECHNOLOGIES INC 47QRAA18D008D 2564253680 HUNTSVILLE ,AL s
CROWN CONSULTING, INC. GS-00F-038DA 703-650-0663 ARLINGTON ,VA o
CRUZ ASSOCIATES INC. GS-10F-0379U 757-833-7538 YORKTOWN ,VA s
CULMEN INTERNATIONAL, LLC 47QRAA18D006D 703-224-7000 ALEXANDRIA ,VA o
CZERO INC GS-10F-0081X 719-331-9662 FORT COLLINS ,CO s
D P ASSOCIATES INC       47QRAA23D0050 256-837-8300 HUNTSVILLE ,AL s/w/wo/ew/d
D&G SUPPORT SERVICES LLC GS-00F-131DA 7034033463 WOODBRIDGE ,VA s/w/wo/ew/dv/d/8a/8aS
DAGER TECHNOLOGY , LLC 47QRAA24D006W 703-848-7938 FAIRFAX ,VA s/w/wo
DARKBLADE SYSTEMS, LLC GS-00F-012GA 703-409-9439 ASHBURN ,VA o
DAVID CLARK CO INC       GS-10F-0467Y 508-751-5800 WORCESTER ,MA s
DAVIDSON TECHNOLOGIES INC 47QRAA21D008A 256-947-9707 HUNTSVILLE ,AL o
DAVIS STRATEGIC INNOVATIONS, INC. GS-10F-225BA 256-489-0550 HUNTSVILLE ,AL s/dv
DCS CORPORATION       47QRAA20D006W 571.227.6061 ALEXANDRIA ,VA o
DECIBEL RESEARCH, INC. GS-10F-0029Y 2566033207 HUNTSVILLE ,AL s
DECISION TECHNOLOGIES, INC. 47QRAA21D005X 703-416-5050 ARLINGTON ,VA s/d
DEFENSE ARCHITECTURE SYSTEMS, INC. GS-00F-291GA (888)600-5226 FULTON ,MD s  
DEFENSE ENTERPRISE SOLUTIONS LLC GS-00F-243GA 256-665-0966 HUNTSVILLE ,AL s/dv
DEFINITIVE LOGIC CORPORATION GS-00F-043CA 703-343-3409 ARLINGTON ,VA o
DEFTEC CORPORATION       47QRAA18D00FY 301-325-5115 HUNTSVILLE ,AL s/w/wo/d
DELOITTE CONSULTING LLP 47QRAA18D001P 703-251-1143 ARLINGTON ,VA o
DELTA RESEARCH INC GS-10F-0246V 256-895-0881 HUNTSVILLE ,AL s
DELTA RESOURCES, INC. 47QRAA24D0034 703-418-1960 CHANTILLY ,VA o
DELTA RESOURCES, INC. GS-10F-0255S * 703-418-1960 CHANTILLY ,VA o  
DELTA SOLUTIONS & STRATEGIES LLC GS-00F-215CA 719-475-0506 COLORADO SPRINGS ,CO s/dv
DESE RESEARCH, INC. 47QRAA19D00CQ 2568378004 HUNTSVILLE ,AL s
DESIGN ALASKA, INC. GS-00F-361GA 907-452-1241 FAIRBANKS ,AK s
DESIGN INTERACTIVE, INC. 47QRAA24D006A 4077060977 ORLANDO ,FL s/w/wo
DIGIFLIGHT INCORPORATED GS-00F-195GA 2409077732 COLUMBIA ,MD s/v/d
DLH, LLC       GS-10F-0502X * (301)628-0211 BETHESDA ,MD o  
DLH, LLC       GS-35F-0013Y 301-628-3590 BETHESDA ,MD o
DLS ENGINEERING ASSOCIATES INC GS-00F-229CA 757-494-5151 VIRGINIA BEACH ,VA s/w/wo
DMR CONSULTING, INC. 47QRAA18D00H2 850-230-3767 PANAMA CITY BEACH ,FL s/w/wo/d
DOWLESS & ASSOCIATES, INC. 47QRAA24D004C 4146072892 ARLINGTON ,VA s/w/wo
DPRA INCORPORATED 47QRAA19D003T 785-564-6041 KNOXVILLE ,TN s
DRAGOON TECHNOLOGIES INC GS-07F-5553R 937-439-9223 DAYTON ,OH s
DRIVE ENGINEERING CORP 47QRAA21D0094 215-367-5535 LANSDALE ,PA s/d
DS2 LLC 47QRAA19D005F 8503072781 NICEVILLE ,FL 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
DYNAMIS, INC. GS-00F-115DA 703-465-4400 FALLS CHURCH ,VA s
DYNETICS, INC. GS-00F-045CA (256)998-4693 HUNTSVILLE ,AL o  
EASTERN RESEARCH GROUP INC GS-00F-079CA 7742491622 CONCORD ,MA o
EBL ENGINEERS, LLC GS-07F-5834R 4106688000 BALTIMORE ,MD s
ECCALON, LLC 47QTCA18D00DK 410-989-1975 HANOVER ,MD s/d
ECS FEDERAL, LLC GS-00F-072CA 571-232-1412 FAIRFAX ,VA o
EDGESOURCE CORPORATION 47QRAA18D004S 703-837-0550 ALEXANDRIA ,VA s
ELIMU INFORMATICS INC       47QTCA25D0019 (857) 205-6593 EL CERRITO ,CA s
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
EMERGE SOLUTIONS GROUP LLC GS-00F-344GA 240-669-4830 ROCKVILLE ,MD s/dv/8a/8aS
EMPOWER AI, INC. GS-00F-263CA 703-707-6730 RESTON ,VA o
ENDICTUS CORP 47QRAA23D001T 703-853-1630 EXT 100 TAMPA ,FL s/w/wo/ew/d/8a/8aS
ENERGY RESEARCH INC       47QRAA22D009T (301)881-0866 ROCKVILLE ,MD s  
ENERGY TECHNOLOGY ALLIANCE LLC 47QRAA22D00EG 202-787-1518 BEND ,OR s/w/wo/ew/d/wojv
ENFA CORP 47QTCA19D00FA 571-233-3744 LEESBURG ,VA s/w/wo/h
ENGENIUSMICRO LLC 47QRAA19D004K 256-261-1260 HUNTSVILLE ,AL s
ENGINEERING AND SOFTWARE SYSTEM SOLUTIONS, INC.       GS-10F-0237Y 6193306166 SAN DIEGO ,CA s/w/wo
ENGINEERING RESEARCH AND CONSULTING, LLC       47QRAA21D004J 256-327-9162 HUNTSVILLE ,AL o
ENSCO INC       47QRAA20D006C 703-321-4727 VIENNA ,VA o
ENTERPRISE RESOURCE PLANNING INTERNATIONAL, LLC 47QRAA19D009W 3014900080 LAUREL ,MD o
EPSILON SYSTEMS SOLUTIONS, INC. 47QRAA21D005F 619-702-1700 SAN DIEGO ,CA o
ESCIENCE & TECHNOLOGY SOLUTIONS, INC. GS-00F-124GA 301-429-0005 LANDOVER ,MD s/d
EXCELSIOR ENGINEERING AND LAND SURVEYING, P.C. 47QRAA25D001U 347-339-6688 ENGLEWOOD CLIFFS ,NJ s/d/8a/8aS
EXCET, LLC GS-00F-004BA 651-247-9982 SPRINGFIELD ,VA s
EXIGO CORPORATION       47QRAA22D0080 (407)712-0795 COLORADO SPRINGS ,CO s/v  
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
FALCONA MANAGEMENT & TECHNOLOGY, L.L.C. GS-00F-272CA 703-599-0768 NEW BRAUNFELS ,TX s/w/wo/ew/d/8a/8aS
FEDWRITERS, INC. GS-00F-217GA 202-271-0312 FAIRFAX ,VA s/d/8a
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/ai
FLOWWEST, LLC 47QRAA22D0057 510-454-9378 OAKLAND ,CA s
FLUOR FEDERAL SERVICES INC 47QSHA22D0008 703-351-6450 GREENVILLE ,SC o
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
G2 OPS, INC. 47QRAA18D0002 757-373-7368 VIRGINIA BEACH ,VA s/w/wo/ew/d
G2S CORP 47QRAA19D00C5 210-460-3432 SAN ANTONIO ,TX s/d
GAN CORPORATION GS-10F-0085U 256-509-9150 HUNTSVILLE ,AL s
GANNETT FLEMING, INC. GS-00F-114CA 202-729-7338 CAMP HILL ,PA o
GARUD TECHNOLOGY SERVICES, INC. GS-10F-179AA 2022561079 COLUMBIA ,MD s/w/wo/ew/d
GAUSS MANAGEMENT RESEARCH AND ENGINEERING INC GS-10F-0028W 801-475-0243 SOUTH OGDEN ,UT s/v
GBL SYSTEMS CORPORATION 47QRAA19D007F 8059874345 CAMARILLO ,CA s
GC ASSOCIATES USA, LLC       47QTCA21D004S 632-866-9871 ARLINGTON ,VA s/dv/d/8a
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 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-256CA 703-995-3733 FALLS CHURCH ,VA o
GENERAL DYNAMICS INFORMATION TECHNOLOGY, INC. GS-00F-313CA 703-995-3733 FALLS CHURCH ,VA o
GENERAL DYNAMICS INFORMATION TECHNOLOGY, INC. GS-00F-057CA 7039953733 FALLS CHURCH ,VA o
GENERAL INFOMATICS-A SERVICE DISABLED OWNED VETERAN BUSINESS, INC. 47QRAA18D002D 7035605119 MC LEAN ,VA s/dv/d
GENESIS ENGINEERING SOLUTIONS, INC. 47QRAA21D0011 240-582-3525 LANHAM ,MD s/d
GENEX SYSTEMS, LLC GS-00F-076GA 757-838-5065 NEWPORT NEWS ,VA s/w/wo/d
GEOGRAPHIC INFORMATION SERVICES, INC. 47QRAA19D00BD 205-725-5836 HOOVER ,AL o
GEOGRAPHIC INFORMATION SERVICES, INC.       GS-35F-0682R 205-725-5836 HOOVER ,AL s
GEORGE CONSULTING LTD       GS-35F-130GA 843-471-1322 NORTH CHARLESTON ,SC s
GEOSYNTEC CONSULTANTS, INC. 47QRAA22D003A 561-922-1079 BOCA RATON ,FL o
GLEASON RESEARCH ASSOCIATES INC 47QTCA19D007A 2568837000 HUNTSVILLE ,AL s
GLOBAL C2 INTEGRATION TECHNOLOGIES LLC 47QRAA18D0067 702-333-2345 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 TECHNOLOGIES, LLC GS-10F-0461Y 5712286726 GALLOWAY ,NJ s
GLOBAL TECHNOLOGY AND MANAGEMENT RESOURCES, INC. GS-00F-080GA 301-475-8181 HOLLYWOOD ,MD s/v
GOLDBELT PROFESSIONAL SERVICES, LLC 47QRAA24D009A (757) 550-2121 CHESAPEAKE ,VA s/d/8a/an/8aS
GRAHAM TECHNOLOGIES LLC GS-35F-513BA 240-764-7902 UPPER MARLBORO ,MD s/d
GRAY ANALYTICS, INC. 47QRAA23D003D 256-384-6034 HUNTSVILLE ,AL s
GREEN AND SUSTAINABLE SERVICES, LLC GS-07F-231CA 940-597-3723 PONDER ,TX s/w/wo/ew
GREENDART, INCORPORATED GS-10F-214AA 310.242.0032 SAN PEDRO ,CA s/h
GROUP W INC GS-00F-069GA 703-752-5841 VIENNA ,VA s
HAMILTON SUNDSTRAND SPACE SYSTEMS INTERNATIONAL, INC. GS-10F-0439X (860)654-4244 HOUSTON ,TX o  
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
HEPBURN AND SONS LLC       47QRAA25D001E 7033663434 MANASSAS ,VA s
HEXAGON US FEDERAL, INC 47QTCA18D003G 703-264-5619 HUNTSVILLE ,AL o
HIGH SIDE TECHNOLOGY, INC. 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 MISSION TECHNOLOGIES CORP GS-00F-020CA 703-543-2979 MC LEAN ,VA o
HII MISSION TECHNOLOGIES CORP GS-00F-064CA (757) 802-0293 MC LEAN ,VA o
HILL TECHNICAL SOLUTIONS, LLC       47QRAA18D0056 2569701258 HUNTSVILLE ,AL o
HODGES TRANSPORTATION, INC. 47QRAA22D006W 7756292000 SILVER SPRINGS ,NV s/h
HOLMES-TUCKER INTERNATIONAL INC 47QRAA25D001C (240)895-8120 LEXINGTON PARK ,MD s/v    
HOLMES-TUCKER INTERNATIONAL INC       GS-10F-0258T 301-866-1701 LEXINGTON PARK ,MD s/v
HW CONSULTING, INCORPORATED GS-10F-0156U (202)734-0753 RESTON ,VA s/w/wo
HX5 LLC       GS-00F-225GA 850-362-6551 FORT WALTON BEACH ,FL s/w/wo/dv
HYPERION TECHNOLOGY GROUP INC 47QRAA22D007P 6628230626 TUPELO ,MS s
ICF INCORPORATED, L.L.C. GS-00F-010CA 703-225-5692 RESTON ,VA o
ICON GOVERNMENT AND PUBLIC HEALTH SOLUTIONS, INC. 47QRAA23D0015 330-620-1987 BLUE BELL ,PA o
IDEAL INNOVATIONS INCORPORATED       GS-00F-345CA 571-480-5009 ARLINGTON ,VA s/dv
IDENTITY STRATEGY PARTNERS, LLC 47QRAA22D004H (703) 581-7721 ALEXANDRIA ,VA s/w/wo/ew/d
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
INDUS TECHNOLOGY INC 47QRAA18D00DR (619)299-2555 SAN DIEGO ,CA o  
INERTIAL LABS, INC.       47QSWA23D007M 703-880-4222 PAEONIAN SPRINGS ,VA o
INFLOWLOGISTICS, LLC 47QRAA20D003L 972-523-0401 SAN ANTONIO ,TX s/w/wo/h
INFO NOW SOLUTIONS LLC 47QTCA24D001P 703-755-0821 MC LEAN ,VA s/d/8a/8ajv
INFORMATION SYSTEMS LABORATORIES, INC 47QRAA21D001U 757-504-0123 VIENNA ,VA s
INNOVATIVE CONSULTING & MANAGEMENT SERVICES, LLC 47QRAA19D000D * 301-444-4100 ROCKVILLE ,MD s/d/h  
INNOVATIVE CONSULTING & MANAGEMENT SERVICES, LLC 47QSMS24D001S 301-444-4100 ROCKVILLE ,MD s/d/h
INNOVISION LLC       47QRAA24D009L 937-838-4102 DAYTON ,OH s/d
INSIGHT INTERNATIONAL TECHNOLOGY, LLC       47QRAA19D00BE 256-551-0414 HUNTSVILLE ,AL s/dv/d
INSIGHT TECHNOLOGY SOLUTIONS, LLC 47QRAA18D0064 301-860-1121 ANNAPOLIS ,MD o
INSPECTION EXPERTS INC 47QSMS24D001A 4107153939 LINCOLN ,NE s/w/wo/d
INSPECTION EXPERTS INC GS-21F-096AA 816-807-6376 LINCOLN ,NE s/w/wo/ew/d
INSPIRE CORP 47QRAA20D008K 3039100430 AURORA ,CO s/dv
INSURANCE SERVICES OFFICE, INC. 47QRAA22D005Y 850-902-5075 JERSEY CITY ,NJ o
INTEGRATED SOLUTIONS FOR SYSTEMS, INC. GS-00F-378GA (256)656-6684 HUNTSVILLE ,AL o  
INTEGRATION INNOVATION INC GS-00F-210CA 256-562-2978 HUNTSVILLE ,AL s
INTEGRATIVE SCIENCES LLC 47QSMA20D08QQ 617-438-5635 LOWELL ,MA s/w/wo/ew/d/8a/8aS
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 781-271-0696 BURLINGTON ,MA s/dv
INTERFUZE CORPORATION GS-35F-0013T (256)382-9700 HUNTSVILLE ,AL s  
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/d
INTERTEC ENGINEERING LLC 47QRAA24D005F 4803194930 TEMPE ,AZ s
INTERTEK TESTING SERVICES NA, INC.       GS-10F-0084U * 475-227-4840 CORTLAND ,NY o  
INTREPID LLC GS-10F-014AA 256-705-6830 HUNTSVILLE ,AL s
INTUITIVE RESEARCH AND TECHNOLOGY CORPORATION       47QRAA20D0022 2569229300 HUNTSVILLE ,AL s
INVARIANT CORPORATION 47QRAA24D0072 256-885-9794 HUNTSVILLE ,AL s
INVICTUS INTERNATIONAL CONSULTING LLC       47QRAA19D00C0 703-214-1201 ALEXANDRIA ,VA o
IOV SOLUTIONS LLC 47QRAA21D001K 571-373-1967 OAKTON ,VA s/dv/d/8a/8aS
IRONMOUNTAIN SOLUTIONS, INC. GS-10F-0390Y 256-704-8975 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/ai
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
JACOBS ENGINEERING GROUP INC. 47QRAA21D00AF 571-218-1304 ARLINGTON ,VA o
JACOBS TECHNOLOGY INC. GS-00F-038CA 931-455-6400 TULLAHOMA ,TN o
JAMESON COLE CONSULTING LLC 47QTCA25D001Y 404-538-2116 HILLSBORO ,VA s/w/wo/d
JANUS RESEARCH GROUP, LLC GS-00F-310CA 706-828-1108 EVANS ,GA o
JARDON & HOWARD TECHNOLOGIES LLC 47QRAA21D008B 407-381-7797 ORLANDO ,FL o
JAXON ENGINEERING AND MAINTENANCE LLC       GS-10F-0447Y 719-484-8750 COLORADO SPRINGS ,CO s
JBS SOLUTIONS, INC. GS-00F-240GA 256-551-0036 HUNTSVILLE ,AL s/w/wo/ew/d/h
JENSEN HUGHES INC GS-00F-006CA 425-217-1123 HALETHORPE ,MD o
JGMS GOVERNMENT SERVICES LLC 47QRAA22D008H 970-254-1354 GRAND JUNCTION ,CO s/d
JJR SOLUTIONS LLC GS-00F-146GA 937-356-3424 DAYTON ,OH s/dv
JMS NAVAL ARCHITECTS LLC       GS-10F-0181V 8606620057 MYSTIC ,CT s/v
JOHN H. NORTHROP & ASSOCIATES, INC. 47QRAA24D00E2 757-291-5803 CLIFTON ,VA s/dv/d
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 LLC GS-10F-0093T * (540)288-3132 STAFFORD ,VA s/dv  
JOINT RESEARCH AND DEVELOPMENT LLC 47QRAA23D006L 5402883132 STAFFORD ,VA s
JOINT VENTURE SOLUTIONS (JVS) LLC GS-00F-099GA 4432800698 MILLERSVILLE ,MD s/dv
JOVIAN SOFTWARE CONSULTING LLC       47QRAA20D004T 7654385211 GRAND RAPIDS ,MI s
JS SOLUTIONS LLC 47QRAA22D008Y 256-617-1471 HUNTSVILLE ,AL s/v
KALMAN & COMPANY, INC. GS-00F-343CA 757-461-4292 VIRGINIA BEACH ,VA s/w/wo
KBM ENTERPRISES, INC       47QRAA24D00ES 931-468-9233 HUNTSVILLE ,AL s/w/wo
KBR WYLE SERVICES, LLC       GS-00F-200CA 2569716126 LEXINGTON PARK ,MD o
KEARNEY & COMPANY, P.C. GS-00F-031DA 703-931-5600 ALEXANDRIA ,VA o
KELLER-BLIESNER ENGINEERING, LLC       47QRAA18D004Q 435-753-5651 LOGAN ,UT s
KEMSYSTEK, LLC 47QRAA20D0047 732-571-6400 FALLS CHURCH ,VA s/w/wo/dv/d
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
KINDRED PARTNERS, LLC 47QTCA24D00AD (202)375-4911 UPPER MARLBORO ,MD s/w/wo/d/wojv    
KINETIC METRICS, LLC 47QRAA20D000K 7036476221 ALEXANDRIA ,VA s/d/8a/8aS
KNEXUS RESEARCH LLC 47QTCA21D00F2 855-569-7373 EXT 700 OXON HILL ,MD s
KNOWESIS, INC. GS-10F-0165W 703-942-8560 FAIRFAX ,VA o
KODA TECHNOLOGIES INC 47QRAA19D0081 256-509-2710 HUNTSVILLE ,AL s/w/wo/d/8a/8aS
KORD TECHNOLOGIES, LLC GS-10F-0087Y (256)489-2346 HUNTSVILLE ,AL o  
LA NEW PRODUCT DEVELOPMENT TEAM LLC 47QRAA24D006G (318)243-5789 RUSTON ,LA s    
LAGO CONSULTING & SERVICES LLC 47QRAA22D009K (360)701-3777 TAMPA ,FL s/w/wo/ew/d/8a/8aS/wojv  
LANMARK TECHNOLOGY INC       47QRAA19D006S 703-447-3876 CENTREVILLE ,VA s/w/wo/dv/d
LEIDOS, INC. GS-00F-022CA 571-526-7840 RESTON ,VA o
LEIDOS, INC. GS-35F-116AA (571) 526-7085 RESTON ,VA o
LEONARDO TECHNOLOGIES, INC.       47QRAA21D000U 7409682222 ST CLAIRSVILLE ,OH s
LINC RESEARCH, INC. 47QRAA20D008M 2562214694 HUNTSVILLE ,AL s/h
LINDAHL REED, INC. 47QRAA18D00GR 541-638-9264 BEND ,OR s/w/wo/ew/d/8a/8aS
LINK TECHNOLOGIES INC 47QRAA20D0096 301-983-6878 GERMANTOWN ,MD s/w/wo
LINQUEST CORPORATION 47QRAA18D000L 323-924-1568 HERNDON ,VA o
LINQUEST CORPORATION 47QRAA21D009B 323-924-1568 HERNDON ,VA o
LJB INC. GS-00F-049CA 937-259-5000 MIAMISBURG ,OH o
LMI CONSULTING, LLC GS-00F-041GA 703-917-7524 TYSONS CORNER ,VA o
LOGAPPS LLC GS-10F-011CA 703-560-8828 FALLS CHURCH ,VA s/v/d
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
LOGYX LLC 47QRAA23D008G 6037007406 GILFORD ,NH 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
LOYOLA ENTERPRISES INCORPORATED 47QTCA21D00DE 757-498-6118 X101 VIRGINIA BEACH ,VA s/dv/d
LYNCH CONSULTANTS, LLC GS-00F-118DA 540-834-3490 ARLINGTON ,VA s/dv
LYNKER CORPORATION 47QTCA19D00GN 703-431-5855 LEESBURG ,VA 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  
MANNIK & SMITH GROUP, INC. 47QRAA20D006A 734-790-5177 MAUMEE ,OH s
MANTECH ADVANCED SYSTEMS INTERNATIONAL, INC. 47QTCA21D0031 703-218-6440 HERNDON ,VA o
MANUFACTURING TECHNICAL SOLUTIONS, LLC 47QRAA21D001L 256-890-9090 HUNTSVILLE ,AL s/w/wo
MARTINFEDERAL CONSULTING, LLC GS-35F-491CA 2563824311 HUNTSVILLE ,AL s
MASON LIVESAY SCIENTIFIC LLC 47QRAA19D00AJ 703-999-7993 OAK RIDGE ,TN s/w/wo/d
MAXAR INTELLIGENCE INC       47QRAA19D002V 303-884-0943 WESTMINSTER ,CO o
MAXISIQ, INC. 47QRAA25D0006 571-748-9141 LORTON ,VA o
MAXQ RESEARCH LLC 47QRAA22D00EF 973-452-0161 STILLWATER ,OK s
MAYVIN, INC. GS-10F-0280Y 7038223201 ALEXANDRIA ,VA o
MCHALE & ASSOCIATES, INC 47QRAA23D008N (425) 883-2058 REDMOND ,WA s
MCLAUGHLIN RESEARCH CORPORATION       47QRAA21D0093 (401) 849-4010 NEW LONDON ,CT s
MCR FEDERAL LLC GS-00F-123CA 703-7402237 MCLEAN ,VA o
MELE ASSOCIATES INC GS-00F-243CA (240)453-6962 ROCKVILLE ,MD s/v
METIS TECHNOLOGY SOLUTIONS, INC. 47QRAA21D009J (509)550-3561 ALBUQUERQUE ,NM s/w/wo    
METRON INCORPORATED       GS-00F-166DA 7033262870 RESTON ,VA s
MICHAEL BAKER INTERNATIONAL, INC. 47QRAA21D008D 703-483-0029 ALEXANDRIA ,VA o
MILLENNIUM CORPORATION GS-10F-0141W 703-436-1346 ARLINGTON ,VA o
MILLENNIUM CORPORATION GS-35F-274AA 703-436-1346 ARLINGTON ,VA o
MINO MARINE LLC GS-00F-249GA 504-218-8162 NEW ORLEANS ,LA s
MISSION WIDE SOLUTIONS JV LLC       47QRAA24D00E3 256-694-9695 MILWAUKEE ,WI s/d/to
MISSION1ST GROUP INC GS-35F-0199Y (571) 409-7133 VIENNA ,VA s/dv
MISSIONFOCUS LLC GS-10F-149AA 703-291-6721 MC LEAN ,VA s
MLT SYSTEMS LLC GS-10F-0168W 540-318-6383 STAFFORD ,VA s/dv
MODERN TECHNOLOGY SOLUTIONS, INC.       47QRAA20D0036 703-564-3800 ALEXANDRIA ,VA o
MONTE SANO RESEARCH CORPORATION       47QRAA18D006B 2569372407 HUNTSVILLE ,AL s
MONTEREY TECHNOLOGIES INC       47QTCA19D00CD 4353520394 PARK CITY ,UT 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/wojv/hjv
MPF FEDERAL, LLC GS-00F-148GA 202-776-0655 GAITHERSBURG ,MD s/w/wo/ew/d/8a/h/8aS
MPR ASSOCIATES, INC. 47QRAA19D0078 703-519-0200 ALEXANDRIA ,VA o
MTA INC       47QRAA24D000R 256-801-9106 HUNTSVILLE ,AL s/w/wo
MTSA II JV LLC 47QRAA23D001Y 703-930-9624 FAIRFAX ,VA s/dv
MUNRO & ASSOCIATES INC 47QRAA23D000B (517)347-8952 AUBURN HILLS ,MI s    
NANORACKS, LLC 47QRAA18D004R 8326327754 WEBSTER ,TX s
NAVARRO RESEARCH AND ENGINEERING, INC. 47QRAA23D000P 865-220-9650 OAK RIDGE ,TN s/w/wo
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 CORP       47QRAA22D000F 215-675-4900 WARMINSTER ,PA s/dv
NELSON ENGINEERING CO. GS-00F-324CA 3214491128 MERRITT ISLAND ,FL s
NET VISION CONSULTANTS INC 47QRAA21D007K 443-249-3314 STEVENSVILLE ,MD s/w/wo/v
NETCENTRIC TECHNOLOGY, LLC 47QRAA19D00AU 321-213-0793 WALL ,NJ s/d/an
NETORIAN LIMITED LIABILITY CO 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. 47QTCA20D003R 732-598-1277 OLD BRIDGE ,NJ s/w/wo/ew/d
NEXAGEN NETWORKS, INC. GS-00F-066GA 732-598-1277 OLD BRIDGE ,NJ s/w/d
NLOGIC, LLC GS-00F-239CA 2567042513 HUNTSVILLE ,AL s
NLT MANAGEMENT SERVICES LLC 47QRAA21D0056 713-504-5270 EWING ,NJ s/d/to/ai
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 256-489-4921 HUNTSVILLE ,AL s/w/wo/ew/d/8a/h/8aS
NORMANDEAU ASSOCIATES, INC. 47QRAA23D002Z 603-637-1174 BEDFORD ,NH o
NORTHROP GRUMMAN SYSTEMS CORPORATION GS-00F-128CA 703-713-4588 MCLEAN ,VA o
NOU SYSTEMS INC GS-00F-143DA 256-327-5541 HUNTSVILLE ,AL s/w/wo
NOVATEC SOLUTIONS, LLC 47QRAA23D0021 256-468-7151 HUNTSVILLE ,AL s/w/wo/ew/d/wojv/hjv
NTA, INC GS-10F-0132W 256-880-3510 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-35F-372GA 703-819-6939 ARLINGTON ,VA s/w/wo
ODYSSEY SYSTEMS CONSULTING GROUP, LTD. GS-10F-0254U 781-809-1604 WAKEFIELD ,MA o
OHIO AEROSPACE INSTITUTE 47QRAA22D0062 440-962-3017 BROOKPARK ,OH o
OHIO TECHNOLOGY CLEARINGHOUSE INC GS-10F-0038W 2564892623 HUNTSVILLE ,AL s
ON POINT ASSOCIATES, LLC       47QRAA23D000G 571-667-6468 CORRALES ,NM s
ONEIDA TOTAL INTEGRATED ENTERPRISES LLC 47QRAA20D009B 414-257-4200 MILWAUKEE ,WI s/d/to/ai
OPTIMIZATION TECHNOLOGIES, INC.       47QRAA22D00CJ 720-840-4837 BOULDER ,CO s
OST INC 47QRAA18D0090 703-663-8554 MCLEAN ,VA 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
PARALLAX ADVANCED RESEARCH CORP 47QRAA22D0099 937-705-1057 BEAVERCREEK TOWNSHI ,OH o
PARRA CONSULTING GROUP INC 47QRAA19D00B9 240-686-6042 MIDDLETOWN ,MD s/dv/d/h
PARSONS GOVERNMENT SERVICES INC. 47QRAA19D000A 8036464100 CENTREVILLE ,VA o
PARYMON CORP 47QTCA21D00FC 240-418-2210 GAITHERSBURG ,MD s/w/wo/d/h
PAT V MACK INC GS-35F-034DA 720-812-8058 SAN DIEGO ,CA s/dv/8a/8aS
PATRICIO ENTERPRISES, INC GS-00F-167GA 703 441-4760 STAFFORD ,VA o
PATRIOTS INTERNATIONAL, LLC 47QRAA23D006Y 256-278-9070 ALEXANDRIA ,VA s/dv/d
PCCI, INC. 47QRAA18D00HE 7033391110 ALEXANDRIA ,VA o
PD SYSTEMS INC. GS-00F-331CA 703-778-7694 SPRINGFIELD ,VA o
PEERLESS TECHNOLOGIES CORPORATION GS-00F-355CA 937-490-5000 FAIRBORN ,OH o
PEGASUS TECHNOLOGIES & SOLUTIONS, INC. 47QRAA22D0018 2565291468 HUNTSVILLE ,AL s/dv/d/8a/8aS
PEOPLETEC, INC.       47QRAA22D00CX 256-319-3937 HUNTSVILLE ,AL s
PERATON INC. GS-35F-694GA 703-637-3807 HERNDON ,VA o
PEREGRINE TECHNICAL SOLUTIONS, LLC GS-35F-233CA 757-871-0614 JUNEAU ,AK s/d/an
PERIKIN ENTERPRISES LLC GS-00F-003AA 505-333-0501 ALBUQUERQUE ,NM s/d/8a/8aS
PERKINS EASTMAN ARCHITECTS DPC 47QRAA22D000H 212-353-7305 NEW YORK ,NY o
PETERMAN AND SONS (P&S) SOLUTIONS, LLC 47QRAA22D0033 910-988-7091 MADISON ,AL s/dv
PHASED N RESEARCH INC       47QRAA21D001V 2567974631 HUNTSVILLE ,AL s/h
PHOTON EFLUX, LLC       47QRAA23D0048 (270)300-1716 HUNTSVILLE ,AL s    
PINNACLE SOLUTIONS, LLC GS-00F-0017X 256-489-1565 HUNTSVILLE ,AL o
PLANATE MANAGEMENT GROUP LLC GS-23F-058AA 703-585-1079 ALEXANDRIA ,VA s/dv
POLARIS SENSOR TECHNOLOGIES INC GS-00F-198GA 2565620087 HUNTSVILLE ,AL s/w/wo
POTOMACWAVE CONSULTING, INC. GS-00F-0007X 703-963-5064 ALEXANDRIA ,VA o
PPT SOLUTIONS, INC. GS-00F-422GA 256-319-0423 HUNTSVILLE ,AL s
PREFERRED PROGRAM SOLUTIONS INC 47QRAA18D009S 2563505983 MADISON ,AL s/dv
PRESCIENT EDGE CORPORATION 47QRAA18D00CU 5713215565 MC LEAN ,VA o
PRIMETECH INTERNATIONAL, INC. 47QRAA18D00CY 816-888-7280 NORTH KANSAS CITY ,MO s/w/wo/d
PRKK LLC 47QRAA18D006N 303-246-3377 STUART ,FL s
PRODUCTIVITY APEX, INC. GS-10F-0266U (407)222-1256 WINTER PARK ,FL s/w/wo/d  
PROFESSIONAL PROJECT SERVICES, INC. GS-00F-112CA 865.220.4377 KNOXVILLE ,TN s
PROFESSIONAL, ACQUISITION, AND TECHNICAL SERVICES, INC 47QTCA18D007W 703-416-1304 ARLINGTON ,VA o
PROJECT ENHANCEMENT CORPORATION 47QRAA24D000A 240-686-3059 GERMANTOWN ,MD s
PROMODEL GOVERNMENT SOLUTIONS INC GS-00F-421GA 860-608-5389 ANN ARBOR ,MI o
PROSOURCE CONSULTING , L.L.C GS-10F-0123T 571-212-1500 GAINESVILLE ,VA s/w/wo/d/8a
PROTECTION STRATEGIES INC GS-02F-0067T 865-294-5101 KNOXVILLE ,TN s/dv
PURVIS SYSTEMS INC GS-10F-0191X (401)849-4750 QUEENS VILLAGE ,NY s  
QED ANALYTICS INC       47QRAA24D00B4 256-527-1722 HUNTSVILLE ,AL s/w/wo/ew
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, LLC 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 315-527-0145 UTICA ,NY s
QUANTUM RESEARCH INTERNATIONAL INC 47QRAA19D00A9 2569711800 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
R2C LIMITED LIABILITY COMPANY GS-00F-306GA 256-799-2363 HUNTSVILLE ,AL s/dv
RADIAL SOLUTIONS INC 47QRAA21D008F 2563052810 HUNTSVILLE ,AL s/dv/d/8a/8aS
RADIANCE TECHNOLOGIES INC       47QRAA19D008B 256-489-8960 HUNTSVILLE ,AL o
RANCHO BIOSCIENCES, LLC       47QRAA25D0009 7604580692 RANCHO SANTA FE ,CA s/w/wo
RAPID OFFSET TECHNOLOGIES, LLC 47QRAA23D007G 5136789455 TOANO ,VA s/dv/d
RAYTHEON COMPANY GS-35F-204GA 813-629-5106 ARLINGTON ,VA o
RDL L.L.C.       47QRAA24D00F9 (240)393-5266 WASHINGTON ,DC s/dv/d    
RED CANYON SOFTWARE, INC.       GS-00F-044GA (303)864-0556 DENVER ,CO s/dv/h  
RED SIX SOLUTIONS, LLC 47QSWA20D002F 571-730-9079 BOWIE ,MD s/dv/d
REDHORSE CORPORATION GS-07F-134GA (619) 241-4609 ARLINGTON ,VA o
REDHORSE CORPORATION       GS-00F-0013Y * 619-241-4609 ARLINGTON ,VA o  
REGULUS GROUP, LLC       47QRAA24D005T 540.459.2142 EXT 113 WOODSTOCK ,VA s
RELIANT TECHNOLOGIES INC       47QRAA22D004V 256-426-8056 HUNTSVILLE ,AL s/v
RELOGIC RESEARCH, INC. 47QRAA23D0024 256-713-7401 HUNTSVILLE ,AL s/d/8a/8aS
RESEARCH TRIANGLE INSTITUTE GS-00F-354CA 9195416624 DURHAM ,NC o
RESPEC COMPANY, LLC 47QTCA19D0084 605-394-6400 RAPID CITY ,SD o
RICARDO DEFENSE INC GS-10F-0212T 248-928-2347 SANTA BARBARA ,CA o
RIOS PARTNERS, LLC 47QRAA18D00F8 703-951-3132 ARLINGTON ,VA s/dv/d
RIVERSIDE RESEARCH INSTITUTE 47QRAA19D00CN 9374277053 NEW YORK ,NY o
RIVERSIDE TECHNOLOGY INC 47QRAA23D00A7 9704847573 EXT. 808 LOVELAND ,CO s
ROBERT AND COMPANY GS-00F-210GA 4045774000 ATLANTA ,GA s/dv
ROCK ENGINEERING LLC       GS-00F-319GA (860)841-7106 SOUTH WINDSOR ,CT s  
ROCKWOOD COMPANY LLC 47QRAA18D0018 2028416634 WASHINGTON ,DC s/w/wo
ROGERCO, INC. GS-00F-031CA 602-228-1606 RESTON ,VA s
RPI-CSS, LLC       47QRAA24D004A 8032567322 COLUMBIA ,SC s/w/wo/wojv
RSC2, INC 47QTCA19D00J2 410-991-2787 BALTIMORE ,MD s/h
S2 ANALYTICAL SOLUTIONS, LLC 47QRAA19D006L 571- 497-5692 HERNDON ,VA o
SA TECHNICAL SERVICES, INC. 47QRAA19D00BL 850-613-6085 NICEVILLE ,FL s/dv
SABRE SYSTEMS, LLC GS-35F-366BA 215-347-1458 WARMINSTER ,PA o
SAGE ANALYSIS GROUP, INC 47QTCA21D0058 (800)770-3575 BOSTON ,MA s  
SAGE SERVICES GROUP, LLC 47QREA21D0008 240-380-3504 BOWIE ,MD s/w/wo/ew
SARGENT & LUNDY ENGINEERING SERVICES, INC.       47QRAA22D00ER 509-430-5193 CHICAGO ,IL o
SAVIT CORPORATION 47QRAA21D006Z 973-602-3829 ROCKAWAY ,NJ s
SAWDEY SOLUTION SERVICES INC 47QRAA18D00AL 703-282-2702 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
SCIENCE & TECHNOLOGY CORPORATION 47QRAA21D0061 757-766-5819 HAMPTON ,VA s
SCIENCE AND TECHNOLOGY ASSOCIATES, INC.       47QRAA19D0082 703-522-5123 ARLINGTON ,VA s
SCIENCE APPLICATIONS INTERNATIONAL CORPORATION GS-00F-002CA 703-676-7988 RESTON ,VA o
SCIENCE SYSTEMS AND APPLICATIONS, INC.       47QRAA23D0014 3018672000 LANHAM ,MD s
SCIENTIC INC       47QRAA24D006N 256-319-0858 HUNTSVILLE ,AL s/v
SCIENTIFIC & BIOMEDICAL MICROSYSTEMS, LLC GS-10F-0497X (703)848-8850 GLEN BURNIE ,MD s  
SCIENTIFIC RESEARCH CORPORATION 47QRAA21D0085 7709899447 ATLANTA ,GA o
SCITECH SERVICES INC GS-02F-0259X 443-303-3249 HAVRE DE GRACE ,MD s
SDS INTERNATIONAL, INC.       47QRAA21D004U 540-424-5926 ROCKLEDGE ,FL s/dv
SELAH GROUP FLORIDA, INC       47QRAA22D0011 (321)305-4965 ROCKLEDGE ,FL s/d    
SELLERS & ASSOCIATES, LLC       47QRAA20D0099 703-848-7938 CHESAPEAKE ,VA s/v
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
SENTAR, INC.       GS-35F-233DA 256-430-0860 X112 HUNTSVILLE ,AL s/w/wo
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
SEV1TECH, LLC 47QRAA18D008N 504-405-3386 WOODBRIDGE ,VA o
SEV1TECH, LLC       47QRAA24D007W 703-662-9232 WOODBRIDGE ,VA o
SEVATEC LLC GS-10F-0142W 571-423-0200 RESTON ,VA o
SHARMA & ASSOCIATES INC       GS-10F-0027T 708-588-9871 HINSDALE ,IL s/d
SIGMA SCIENCE INC 47QRAA18D005Q 505-239-9060 ALBUQUERQUE ,NM s/d/8a
SIGMATECH INC GS-00F-060CA 256-319-9212 HUNTSVILLE ,AL s
SIGNALINK INC GS-00F-038GA 256-715-6744 MADISON ,AL s/dv
SIGNATURE SCIENCE LLC GS-00F-105CA (877) 474-4724 AUSTIN ,TX o
SIGNATURE SOLUTIONS INC       GS-00F-207GA 2565081961 HUNTSVILLE ,AL s
SIGNIFICANCE INC 47QTCA20D004Q (443) 808-1500 ANNAPOLIS ,MD s/w/wo/ew
SIMETRI, INC. 47QRAA21D00AM 3219729980 WINTER PARK ,FL s/w/wo/ew/d/8a/8aS
SIMULATION TECHNOLOGIES, INC       GS-10F-100BA 256-428-2904 HUNTSVILLE ,AL s/wo
SIRIS LLC 47QRAA19D00CA 8439013540 MOUNT PLEASANT ,SC s/dv/d
SKJEI TELECOM, INC.       47QRAA24D001Y 703-249-9260 FAIRFAX ,VA s
SKYWARD DYNAMICS INFORMATION TECHNOLOGY, LLC 47QRAA24D009Z 410-449-3003 ROCKVILLE ,MD s/d/8a/8ajv
SNA INTERNATIONAL LLC 47QTCA19D00KX 703-370-1930 ALEXANDRIA ,VA s/w/wo/ew/d/8a
SOBRAN, INC. GS-00F-220CA 703-352-9511 BEAVERCREEK ,OH o
SOL ENGINEERING SERVICES, LLC GS-00F-223GA 601-961-1415 JACKSON ,MS s/d/h
SOLIDUS TECHNICAL SOLUTIONS, LLC 47QRAA21D000C 781-538-0616 LEOMINSTER ,MA s/w/wo/v
SONALYSTS INC       GS-00F-351CA 860-326-3652 WATERFORD ,CT o
SOPHIC SYNERGISTICS LLC 47QRAA22D00EU 281-766-0616 SEABROOK ,TX s/w/wo/ew/d
SOS INTERNATIONAL LLC GS-00F-093CA 703-887-7964 RESTON ,VA o
SPACE METRICS, INC. GS-00F-299GA 202-860-0004 WASHINGTON ,DC s/d/8a/h/8aS
SPACEFLIGHT, INC. GS-00F-036DA 866-342-9934 CEDAR PARK ,TX o
SPECIAL AEROSPACE SERVICES, LLC GS-10F-0456X 303-625-1010 BOULDER ,CO s/w/wo/ew/d
SPECIALTY MANAGEMENT SERVICES OF OUACHITA LLC 47QRAA22D00ET 318-998-7613 MONROE ,LA s
SPECTRUM COMM INC. GS-00F-318CA 757-224-7500 NEWPORT NEWS ,VA o
SPECTRUM COMM INC. 47QTCA24D005U 7572247500 NEWPORT NEWS ,VA s/dv
SPECTRUM, INC. 47QRAA18D00F5 865-806-7577 OAK RIDGE ,TN s/v/d
SRC INC 47QRAA19D005N 3158834591 SYRACUSE ,NY o
SRI INTERNATIONAL 47QRAA21D002R 7032478531 MENLO PARK ,CA o
STANTEC CONSULTING SERVICES INC. 47QRAA19D000Q (212) 330-6261 DENVER ,CO o
STANTEC GS INC. GS-00F-196CA 9165487783 CHARLOTTESVILLE ,VA o
STARGATES, INC. GS-00F-0033Y 703-465-7955 ARLINGTON ,VA s
STELLAR SOLUTIONS INC 47QRAA18D00FQ 571-329-0789 LOS ALTOS ,CA s/w/wo
STEMBOARD LLC 47QRAA20D0039 734.657.2790 ARLINGTON ,VA s/w/wo/ew/d/8a/8aS
STEPHENSON STELLAR CORPORATION 47QRAA24D0001 814-525-4955 SHREVEPORT ,LA o
STONEWALL DEFENSE LLC 47QRAA23D0005 7738603332 TROY ,NY s/v/d
STRATA G, LLC GS-00F-004CA 8659343400 KNOXVILLE ,TN o
STRATA-G SOLUTIONS, LLC GS-10F-0287W 256-705-4316 HUNTSVILLE ,AL s/d/8a/an/8aS
STRATEGIC ALLIANCE BUSINESS GROUP LLC 47QRAA24D0071 7037175620 FAIRFAX ,VA o
STRATEGIC ALLIANCE CONSULTING INC. GS-00F-372GA 703-224-8880 WARRENTON ,VA s/dv
STRATEGIC ANALYSIS, INC. GS-00F-342CA 703-797-2288 ARLINGTON ,VA o
STRATEGIC MANAGEMENT SOLUTIONS, LLC 47QRAA19D008M 505-907-6593 ALBUQUERQUE ,NM s
STRATEGIC TECHNOLOGY INSTITUTE INC GS-00F-164CA 301-770-7077 ROCKVILLE ,MD s/d
STRATEGIC VENTURES CONSULTING GROUP, LLC GS-00F-071GA (703)634-3673 FALLS CHURCH ,VA s/dv  
STS INTERNATIONAL, INCORPORATED       47QRAA19D00C9 703-575-5180 ARLINGTON ,VA s/v
SUMARIA SYSTEMS, LLC 47QTCA21D00EA 978-739-4200 DANVERS ,MA o
SUMMIT TECHNICAL SOLUTIONS, LLC GS-10F-0347T 7194760715 COLORADO SPRINGS ,CO s/w/wo/v
SYNEREN TECHNOLOGIES CORPORATION 47QTCA19D007L 3018300529 VIENNA ,VA s/w/wo/d
SYNERGY BUSINESS INNOVATION & SOLUTIONS INC. GS-35F-0495Y 512-363-0285 RESTON ,VA o
SYNOVIX, INC. 47QREA23D001R 2568902694 HUNTSVILLE ,AL s/dv
SYSTEM DYNAMICS INTERNATIONAL INCORPORATED 47QRAA23D0017 256-895-7189 HUNTSVILLE ,AL s/w/wo
SYSTEM STUDIES & SIMULATION, INC. 47QRAA19D005Y 256-428-9477 HUNTSVILLE ,AL s/w/wo
SYSTEMATIC MANAGEMENT SERVICES INC. GS-00F-241CA 3013530072 FREDERICK ,MD s
SYSTEMS KINETICS INTEGRATION INC. GS-00F-288CA (443)534-7723 MARSTONS MILLS ,MA s/dv  
SYSTEMS PLANNING AND ANALYSIS, INC. GS-00F-186CA 703-399-7017 ALEXANDRIA ,VA o
SYSTEMS PRODUCTS AND SOLUTIONS, INC       GS-00F-137CA 256-382-7735 HUNTSVILLE ,AL s/w/wo
SYSTEMS TECHNOLOGIES, INC.       47QRAA25D0007 410-740-8706 WEST LONG BRANCH ,NJ s
SYSTEMS TECHNOLOGIES, INC.       GS-00F-0002U 732-571-6400 WEST LONG BRANCH ,NJ s
SYSTEMS TECHNOLOGY & RESEARCH, INC       47QRAA22D00BA 256-529-2799 HUNTSVILLE ,AL s/w/wo
SYSTEMS TECHNOLOGY FORUM, LTD. 47QTCA23D003R 540.809.3816 FREDERICKSBURG ,VA o
T2S, LLC 47QRAA24D00AV 443-255-3040 BELCAMP ,MD o
T5 SOLUTIONS LLC       47QRAA24D001Q 256-527-8091 GURLEY ,AL s/dv/d
TAI ENGINEERS, LLC GS-00F-020GA 5042826166 EXT 123 NEW ORLEANS ,LA s/d
TATRA SOLUTIONS, INC. 47QRAA25D002R (408)712-2970 BURLINGTON ,NC s/w/wo/ew/d/8a/8aS    
TEAMWORKNET INC GS-23F-0182R 8633271080 LAKELAND ,FL s
TEC SOLUTIONS LLC 47QRAA21D002W 703-926-0094 ARLINGTON ,VA s
TEC-MASTERS, INC GS-00F-0004X 5805812585 HUNTSVILLE ,AL s/d/h
TECHFLOW, INC. 47QTCA19D0048 5717199669 SAN DIEGO ,CA o
TECHNI-CORE ENGINEERING, INC. 47QRAA20D009E 2567040234 HUNTSVILLE ,AL s/w/wo
TECHNICAL SYSTEMS INTEGRATION, INC. GS-00F-237CA 7039559575 WILLIAMSBURG ,VA s/dv
TECHNOLOGY SERVICE CORP GS-23F-0240S 301-576-2372 ARLINGTON ,VA o
TECHNOMICS INC GS-00F-103DA 571-366-1428 ARLINGTON ,VA s
TECHSOURCE INC GS-00F-003DA 5054126251 LOS ALAMOS ,NM s
TECOLOTE RESEARCH, INC. GS-00F-052CA 8055716366 GOLETA ,CA s
TEKLA RESEARCH, INC. GS-10F-073AA 703-492-2620 LEXINGTON PARK ,MD s/dv
TELEDYNE BROWN ENGINEERING, INC. GS-00F-155CA 256-726-1334 HUNTSVILLE ,AL o
TELTRIUM, INC. 47QRAA20D001Y 301-356-8872 GREENBELT ,MD s/d/8a/8aS
TESLA LABORATORIES INC. GS-23F-0208S 571.303.9483 ARLINGTON ,VA s/dv/d
TETRA TECH, INC. GS-00F-168CA 8056813102 PASADENA ,CA o
THE ALABAMA A&M UNIVERSITY RESEARCH, INNOVATION, SCIENCE AND ENGINEERING FOUNDATION, INC. 47QRAA19D002C 2563724940 NORMAL ,AL o
THE BOSTON CONSULTING GROUP INC 47QRAA21D00AU 771-208-8000 BOSTON ,MA o
THE BUILDING PEOPLE LLC GS-00F-237GA * 703-669-2222 LEESBURG ,VA s/d/8a/h/8aS  
THE BUILDING PEOPLE LLC 47QSMS24D009L 703-669-2222 LEESBURG ,VA s/d/8a/h/8aS
THE BUILDING PEOPLE LLC GS-21F-056CA * 703-669-2222 LEESBURG ,VA s/d/8a/h/8aS  
THE CNA CORPORATION 47QRAA18D003X 703-203-8680 ARLINGTON ,VA o
THE COLUMBIA GROUP INC GS-00F-201CA 2026088415 ALEXANDRIA ,VA s
THE GENEVA FOUNDATION 47QRAA21D009K 253 682 3814 TACOMA ,WA o
THE GREENTREE GROUP, INC. GS-00F-180CA 937-490-5512 BEAVERCREEK ,OH s
THE GREENTREE GROUP, INC. GS-35F-396DA 937-490-5512 BEAVERCREEK ,OH s
THE HENRY M. JACKSON FOUNDATION FOR THE ADVANCEMENT OF MILITARY MEDICINE, INC. 47QRAA21D0016 240-694-4001 BETHESDA ,MD o
THE INTELLIGENCE & SECURITY ACADEMY LLC 47QRAA22D0087 (703)567-7757 ARLINGTON ,VA s/v/8a/8aS
THE KENJYA-TRUSANT GROUP, LLC GS-00F-137DA 410-740-4045 COLUMBIA ,MD o
THE KEYW CORPORATION GS-00F-001DA 571-244-4643 HANOVER ,MD o
THE LOCKWOOD GROUP LLC GS-00F-349GA 240-285-5480 BELCAMP ,MD s/dv
THE LOGISTICS CO INCORPORATED 47QSMS25D000Z 910-482-8084 FAYETTEVILLE ,NC o
THE MCHENRY MANAGEMENT GROUP INC GS-10F-0239U 7574100233 CHESAPEAKE ,VA s/v
THE NATIONAL INSTITUTE FOR HOMETOWN SECURITY, INC. 47QRAA22D00A9 606-451-3450 SOMERSET ,KY o
THE PROBITAS PROJECT, INC. 47QRAA22D0027 571-201-2966 VIENNA ,VA s/v
THE RED GATE GROUP LTD GS-10F-0262X 703-867-3716 CHANTILLY ,VA s/dv
THE TOLLIVER GROUP, INC GS-00F-0013W 256-715-0488 HUNTSVILLE ,AL s
THE UNIVERSITY OF CENTRAL FLORIDA BOARD OF TRUSTEES GS-00F-413GA 407-882-1168 ORLANDO ,FL o
THE WESTMORELAND GROUP LLC 47QRAA23D0074 3015430611 BOWIE ,MD s/w/wo/ew/d/8a/8aS
THOMPSON GRAY INC GS-00F-097DA 256-582-1414 HUNTSVILLE ,AL o
TIER 1 PERFORMANCE SOLUTIONS LLC 47QRAA21D0074 202-556-1841 COVINGTON ,KY s
TITANIA SOLUTIONS GROUP, INC.       47QTCA24D0026 5407368074 MC LEAN ,VA s
TM CAPTURE SERVICES LLC       47QRAA19D001Z 9377281781 BEAVERCREEK ,OH s/w/wo/ew/d
TORCH TECHNOLOGIES INC 47QRAA23D007A (256) 319-7422 HUNTSVILLE ,AL s
TOTAL SOLUTIONS INC GS-23F-0253R 256-705-0128 MADISON ,AL s/w/wo/d
TOXCEL LLC 47QRAA22D003L 7037540248 GAINESVILLE ,VA s/d
TOYON RESEARCH CORPORATION 47QRAA22D00CR 805-968-6787 GOLETA ,CA s
TRANSYSTEMS CORPORATION 47QRAA19D001C 510-835-7254 KANSAS CITY ,MO o
TRIDENT TECHNOLOGIES, LLC       47QRAA24D001T 4436108700 HUNTSVILLE ,AL o
TRIDENTIS LLC GS-10F-0462Y 571-243-0870 ALEXANDRIA ,VA s
TRIDEUM CORPORATION 47QRAA23D006V 256-704-6112 HUNTSVILLE ,AL s
TRISEPT CORPORATION GS-10F-0118V 703-297-4622 CHANTILLY ,VA s
TRIVECTOR SERVICES INC       GS-10F-109CA 2564292171 HUNTSVILLE ,AL s/dv
TROY 7, INC. GS-00F-202GA (256)932-2342 HUNTSVILLE ,AL s/d/an  
TSM LLC GS-00F-284CA 407-443-4709 RESTON ,VA o
TUBA GROUP, INC. GS-00F-222CA 7034179410 VIENNA ,VA s/d
TURNAROUND FACTOR, INC.       47QRAA22D00BG 8044042629 ASHLAND ,VA s/dv
TURNER & TOWNSEND HEERY, LLC 47QRAA19D00AP 404-946-2432 ATLANTA ,GA o
TYTO GOVERNMENT SOLUTIONS INC GS-00F-350CA 7033429859 HERNDON ,VA o
UL LLC GS-10F-0426Y 847-664-1508 NORTHBROOK ,IL o
UNCONVENTIONAL CONCEPTS, INC 47QRAA21D008S 850-243-4411 FORT WALTON BEACH ,FL s
UNDERWRITERS LABORATORIES INC       47QRAA18D007T 8476643714 EVANSTON ,IL o
UNIFIED BUSINESS TECHNOLOGIES, INC. GS-10F-0230X 248-588-1781 TROY ,MI s/w/wo/ew/d
UNIVERSAL SOLUTIONS INTERNATIONAL, INCORPORATED 47QRAA19D002G 757-563-5530 NEWPORT NEWS ,VA s/dv
UNIVERSAL TECHNICAL RESOURCE SERVICES INC       47QRAA19D009N 6094056989 CHERRY HILL ,NJ s
UNIVERSITY OF DAYTON GS-23F-0143R 937-229-2920 DAYTON ,OH o
UPLIFT FEDERAL INC. 47QRAA24D0098 240-899-6731 ALEXANDRIA ,VA s/w/wo
USFALCON INC GS-00F-322GA 919-459-1955 CARY ,NC s/dv
UTILITY DATA CONTRACTORS, LLC 47QRAA25D001Y 719-337-2472 ENGLEWOOD ,CO s
VALI, INC. GS-23F-0037S 2705854538 HUNTSVILLE ,AL s/dv
VALKYRIE ENTERPRISES, LLC 47QRAA18D00DP 757-962-2545 VIRGINIA BEACH ,VA o
VANASSE HANGEN BRUSTLIN INC GS-00F-116CA 8044417439 WILLIAMSBURG ,VA o
VECTOR RESOURCE INC       GS-00F-0004U 619-433-9586 ERIE ,PA s/w
VECTRUS SYSTEMS LLC GS-00F-050CA 7196374506 MC LEAN ,VA o
VELOS LLC 47QRAA18D00G6 703-822-5777 PRINCESS ANNE ,MD s/h