GSA Federal Acquisition Service
Search:

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

MAS Multiple Award Schedule
Scientific Management and Solutions - Testing and Analysis
Category Description
541380 Testing Laboratory Services Includes testing laboratory services and veterinary, natural, and life sciences; testing services and laboratories; and other professional, scientific, and technical consulting services.

Testing and services include, but are not limited to: physical, chemical, analytical, or other testing services; quality assurance; fire safety inspections; training; safety audits; relying upon experimental, empirical, quantifiable data, relying on the scientific method, and professional services, tasks, and labor categories in the fields of biology, chemistry, physics, earth sciences, atmospheric science, oceanography, materials sciences, mathematics, geology, astronomy, veterinary medicine, statistics, systems science, etc., (excludes social and behavioral sciences).


Examples of labor categories include, but are not limited to, Scientific Researchers, Biologists, Physicists, Mathematicians, Statisticians, Research Engineers, Meteorologists, Lab Technicians, Veterinarians and Veterinary Services, Chemists, Biochemical Engineers, Research Nurses.
511 contractors

Download Contractors (Excel)
Display:
  Hold the 'Ctrl' key to select all that apply
Search Contractor T&Cs/Pricelist
Contractor       Contract # Phone City, State Socio-
Economic
Contractor T&Cs
/Pricelist
View Catalog
3U TECHNOLOGIES, LLC GS-10F-119AA 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
A2 SYSTEMS ENGINEERING, INC. GS-10F-0316X 31046966606 EL SEGUNDO ,CA s/v
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 703-351-3715 SPRING ,TX o
ABT, INC. GS-23F-0109S 256-679-7950 HUNTSVILLE ,AL s/dv
ACCUSTRATA, INC. 47QSWA20D003F (240)399-4192 ROCKVILLE ,MD s  
ACQUIRED DATA SOLUTIONS, INC. GS-00F-228GA 301-984-4193 ROCKVILLE ,MD s
ADVANCED CORE CONCEPTS, LLC GS-00F-0005U (937) 426-2808 TAMPA ,FL o
ADVANCED ENVIRONMENTAL LABORATORIES, INC. GS-24F-0080N 904-363-9350 JACKSONVILLE ,FL s
ADVANCED ENVIRONMENTAL, LLC 47QRAA21D004G (408)512-2912 SAN JOSE ,CA s    
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
AECOM TECHNICAL SERVICES, INC. GS-00F-188CA 512-419-5738 LOS ANGELES ,CA o
AERIAL PRODUCTIONS INTERNATIONAL, INC. GS-10F-178AA 520-820-1024 TUCSON ,AZ s
AERO THERMO TECHNOLOGY, INC. 47QRAA18D00BA 2569221141 HUNTSVILLE ,AL s/w/wo
AFFILIATED ENGINEERS METRO DC, INC.       47QRAA18D00GE 301-509-6730 ROCKVILLE ,MD o
AGR, LLC 47QTCA22D00D4 2149958022 IRVING ,TX o
AI SIGNAL RESEARCH, INC. GS-10F-0254T 256-551-0008 X39 HUNTSVILLE ,AL s
ALAN MARGOLIN & ASSOCIATES CONSULTING ENGINEERS AND ARCHITECTS, D.P.C. 47QRAA22D00E2 212-867-6720 NEW YORK ,NY s
ALASKA BIOMAP, INC. 47QSWA19D000K 907-321-2908 JUNEAU ,AK s/w/wo
ALASKA TESTLAB, LLC 47QSWA23D002J 907-290-1453 ANCHORAGE ,AK s/w/wo/v/d
ALION SCIENCE AND TECHNOLOGY CORPORATION GS-00F-064CA (757) 802-0293 MC LEAN ,VA o
ALLEGHENY SCIENCE & TECHNOLOGY CORPORATION GS-10F-053AA 304-319-0044 BRIDGEPORT ,WV s/w/wo
ALLIED MISSION GROUP LLC 47QRAA18D00G8 571-344-0888 LEESBURG ,VA s/d/h
ALPHA CONSTRUCTION AND ENGINEERING CORPORATION GS-23F-0209N 703-450-0800 DULLES ,VA o
ALPHASIX CORPORATION 47QRAA19D00B6 703-579-6479 STERLING ,VA o
ALPHASIX CORPORATION GS-35F-307AA 703-579-6479 STERLING ,VA o
ALTUS, LLC GS-10F-0155V (410) 457-8115 DARLINGTON ,MD s
AMEE BAY, LLC GS-10F-0255V 843-414-4141 ANCHORAGE ,AK s/d/8a
AMENTUM SERVICES, INC. GS-00F-046CA (301)944-3224 GERMANTOWN ,MD o    
AMERICAN SYSTEMS CORPORATION GS-35F-500CA 7039685068 CHANTILLY ,VA o
ANALYGENCE, INC. 47QRAA20D005D 301-830-6092 COLUMBIA ,MD s/dv/d/8a
ANALYTIC SERVICES INC. GS-00F-095CA 7034161304 FALLS CHURCH ,VA o
ANALYTICAL SERVICES, INC.       GS-00F-020DA 571-418-9792 HUNTSVILLE ,AL s/d
ANDROMEDA SYSTEMS INCORPORATED GS-10F-0300Y 904-402-8652 VIRGINIA BEACH ,VA o
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 INSIGHT, LLC GS-00F-145GA 703-215-8211 RESTON ,VA o
APPLIED MATERIALS TECHNOLOGIES INC.       47QRAA23D004D (630)212-7261 NAPERVILLE ,IL s    
APPLIED RESEARCH SOLUTIONS, INC GS-00F-135GA 937-912-6100 BEAVERCREEK ,OH s
APPLIED THERMAL COATINGS INC 47QRAA23D001J 423-267-0972 CHATTANOOGA ,TN s/d
APSI CONSTRUCTION MANAGEMENT GS-23F-0054S 949-679-0202 IRVINE ,CA s
ARCHARITHMS, INC. GS-00F-175DA 256-763-8781 HUNTSVILLE ,AL s/h
ARES CORPORATION 47QRAA21D003Z 7037149960 MCLEAN ,VA o
ARGO SYSTEMS, LLC GS-10F-0335T 410-768-2444 HANOVER ,MD o
ART ANDERSON ASSOCIATES, INC.       GS-10F-0159U 3604795600 BREMERTON ,WA s/v
ASR INTERNATIONAL CORP. GS-00F-283CA 6312311086 HAUPPAUGE ,NY s/d
ASTRIX TECHNOLOGY, LLC GS-07F-147DA 2673858883 RED BANK ,NJ o
ATKINSON AERONAUTICS & TECHNOLOGY, INC. 47QRAA18D009W 540-760-7499 FREDERICKSBURG ,VA s/dv
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
AVNIK DEFENSE SOLUTIONS INC GS-10F-219AA 256-513-5295 HUNTSVILLE ,AL s/w/wo
AXIENT LLC       47QRAA20D0092 2567990669 ARLINGTON ,VA o
AXIENT LLC GS-23F-0320N 256-652-7025 HUNTSVILLE ,AL o
AXIOM CONSULTANTS INC. 47QRAA19D0077 703-599-1502 ROCKVILLE ,MD s/w/wo/ew/d/8a
AXLE INFORMATICS, LLC GS-35F-023GA 703-269-7618 NORTH BETHESDA ,MD s/w/wo/d
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
BANDWIDTH SOLUTIONS INC GS-23F-0295P (703)966-4478 MC LEAN ,VA s/w
BANNER DEFENSE, INC. 47QRAA19D004Q 256-970-8795 MADISON ,AL s/dv
BARBARICUM LLC GS-00F-206CA (202) 393-0873 WASHINGTON ,DC o
BASTION TECHNOLOGIES, INC. 47QRAA19D007C 281-283-9359 HOUSTON ,TX s/d
BATTELLE MEMORIAL INSTITUTE GS-00F-084CA 614-424-3522 COLUMBUS ,OH o
BAYFIRST SOLUTIONS LLC GS-10F-0356Y 202-541-1010 WASHINGTON ,DC o
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
BFA SYSTEMS, INC. GS-10F-0303T 256-704-3201 HUNTSVILLE ,AL s/dv
BLACK DIAMOND CONSULTING CORPORATION GS-00F-292GA 703-599-6266 ASHBURN ,VA s/d
BLUE SKY INNOVATORS INC. 47QRAA20D001N 571-261-6385 FAIRFAX ,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
BMT DESIGNERS & PLANNERS, INC. GS-00F-337CA 703-920-7070 ARLINGTON ,VA o
BOEING AEROSPACE OPERATIONS, INC. 47QRAA20D0079 314-563-7049 SAINT LOUIS ,MO o
BOHANNAN-HUSTON, INC. GS-00F-0001Y 505-798-7925 ALBUQUERQUE ,NM o
BOOZ ALLEN HAMILTON INC.       GS-00F-008DA 7033774359 MCLEAN ,VA o
BOSTON GOVERNMENT SERVICES, LLC GS-00F-013GA 202-262-8098 LENOIR CITY ,TN o
BRATSLAVSKY CONSULTING ENGINEERS, INC. GS-00F-071CA 9072807619 ANCHORAGE ,AK s
BRIDGE DIAGNOSTICS, INC GS-07F-197CA (303)494-3230 LOUISVILLE ,CO s  
BRIDGE PTS, INCORPORATED       47QSWA22D001Y 210-532-7344 SAN ANTONIO ,TX s
BRILLIGENT SOLUTIONS, INC. 47QRAA18D0062 410-844-4526 FAIRBORN ,OH o
BRMI CONSULTING, INC. GS-35F-0490W 443-418-6674 SILVER SPRING ,MD o
BUREAU VERITAS NORTH AMERICA, INC. GS-07F-6029R (210)372-9393 NOVI ,MI o    
BURNS ENGINEERING, INC. 47QRAA19D00AF 2156087846 PHILADELPHIA ,PA o
CACI INC FEDERAL GS-00F-268CA 703-679-3412 CHANTILLY ,VA o
CADUCEUS HEALTHCARE INC 47QREA19D000F 7703572400 ATLANTA ,GA s/dv/d/8a
CADUCEUS HEALTHCARE INC GS-07F-108DA 7703572400 ATLANTA ,GA 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
CAPE FOX FACILITIES SERVICES, LLC 47QSHA21D0029 7036862348 MANASSAS ,VA s/d/8a
CARDNO GS, INC. GS-00F-196CA 9165487783 CHARLOTTESVILLE ,VA o
CATALYST SOLUTIONS, LLC       GS-00F-412GA (504)623-5458 STAFFORD ,VA s/dv  
CDM FEDERAL PROGRAMS CORPORATION GS-00F-085CA 303-383-2300 FAIRFAX ,VA o
CENTURUM INFORMATION TECHNOLOGY, INC. 47QRAA19D00AM (703)415-9384 MARLTON ,NJ o  
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 703-227-4652 FAIRFAX ,VA o
CGI FEDERAL INC. GS-35F-281DA 7032274652 FAIRFAX ,VA o
CHARLES RIVER LABORATORIES, INC. 47QSWA22D007F 781-222-6230 WILMINGTON ,MA o
CHEROKEE NATION SYSTEM SOLUTIONS, LLC 47QTCA20D00EF 918-430-3407 TULSA ,OK s/d/8a/h
CHITRA PRODUCTIONS GS-00F-271CA 7574950234 VIRGINIA BEACH ,VA s/w/wo/ew/d/h
CIMARRON SOFTWARE SERVICES, INC.       47QRAA19D004Y (281)226-5100 HOUSTON ,TX s/w/wo  
CINTEL, INC. GS-00F-268GA 2564311237 HUNTSVILLE ,AL s
CITRINE LLC 47QRAA19D008Z 303-330-5385 DENVER ,CO s/h
CLEAR SCIENCE, INC. GS-07F-168DA (352)478-8560 KEYSTONE HEIGHTS ,FL s/dv  
COASPIRE, LLC 47QRAA20D0037 (703)915-0582 FAIRFAX ,VA s/dv  
COASTAL INSPECTION SERVICES INC GS-07F-9684S 800-231-0205 SHARON ,MA s/v
COGENT SECURITY CONSULTING LLC GS-00F-301DA (855) 226-4368 ALEXANDRIA ,VA s/d
COLSA CORPORATION GS-00F-293CA 2569645276 HUNTSVILLE ,AL o
COMPUTER MAINSTREAM CORPORATION GS-35F-0694P 770-618-0843 ATLANTA ,GA s/w/8a
CONCURRENT TECHNOLOGIES CORPORATION 47QRAA21D0021 814-269-2871 JOHNSTOWN ,PA o
CONSOLIDATED SPECIAL INSPECTIONS, LLC       47QSWA21D0045 (843)819-0106 NORTH CHARLESTON ,SC s/w/v    
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
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
CRANMER ENGINEERING, INC.
(DBA: CRANMER ANALYTICAL LABORATORY)
47QSWA21D0012 530-273-7284 GRASS VALLEY ,CA s/d
CREDENCE MANAGEMENT SOLUTIONS LIMITED LIABILITY COMPANY GS-10F-0432Y STAPLEFORD VIENNA ,VA o
CRUZ ASSOCIATES INC. GS-10F-0379U 757-833-7538 YORKTOWN ,VA s
CSMI, LLC 47QSWA20D0007 978-989-9460 SALEM ,NH s/dv
CZERO, INC. GS-10F-0081X 719-331-9662 FORT COLLINS ,CO s
D & D LABORATORY, LLC GS-07F-022DA (864) 942-0003 GREENWOOD ,SC s/v
D&G SUPPORT SERVICES, LLC GS-00F-131DA 7034033463 WOODBRIDGE ,VA s/w/wo/ew/dv/d/8a
DARKBLADE SYSTEMS, LLC GS-00F-012GA (703)409-9439 WINCHESTER ,VA s/dv  
DAVID CLARK COMPANY INCORPORATED       GS-10F-0467Y 508-751-5841 WORCESTER ,MA s
DAVIDSON TECHNOLOGIES, INC. 47QRAA21D008A (256)327-3169 HUNTSVILLE ,AL o    
DAVIS STRATEGIC INNOVATIONS, INC. GS-10F-225BA 256-489-0550 HUNTSVILLE ,AL s/dv
DAYTON T. BROWN, INC.       47QRAA19D00A4 631-244-6209 BOHEMIA ,NY s
DCS CORPORATION       47QRAA20D006W 5712276061 ALEXANDRIA ,VA o
DECIBEL RESEARCH, INC GS-10F-0029Y 2566033207 HUNTSVILLE ,AL s
DECISION TECHNOLOGIES INC. 47QRAA21D005X 703-416-5050 ARLINGTON ,VA s/d
DECON ENGINEERING, INC. GS-21F-0004U 7038614930 STERLING ,VA s
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
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. GS-10F-0255S 703-581-4164 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
DHL ANALYTICAL, INC. GS-07F-0197Y 512-388-8222 ROUND ROCK ,TX s
DIGIFLIGHT INCORPORATED GS-00F-195GA 256-603-5322 COLUMBIA ,MD s/v/d
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  
DOUGLAS W PETERS & ASSOCIATES INC 47QRAA23D003X (502)454-8530 LOUISVILLE ,KY s    
DPRA INCORPORATED 47QRAA19D003T 785-564-6041 KNOXVILLE ,TN s
DYNAGRACE ENTERPRISES, INC. 47QSWA19D005C 8006760058X102 MORGAN ,UT s/w/wo/ew/d
DYNAMIC CONCEPTS LLC       GS-10F-0006U 2567990669 HUNTSVILLE ,AL o
DYNETICS, INC. GS-00F-045CA 2567135320 HUNTSVILLE ,AL o
EASTERN RESEARCH GROUP, INC. GS-00F-079CA 7742491622 CONCORD ,MA o
EDGESOURCE CORPORATION 47QRAA18D004S 703-837-0550 ALEXANDRIA ,VA s
EL DORADO ENGINEERING, INC.       47QRAA18D00E6 (801)966-8288 WEST JORDAN ,UT s  
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 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
ENGINEERING AND INFORMATION TECHNOLOGY INC. GS-00F-0062N 609-204-1386 CORAL SPRINGS ,FL s/w/wo
ENGINEERING AND SOFTWARE SYSTEM SOLUTIONS, INC.       GS-10F-0237Y 6193306166 SAN DIEGO ,CA s/w/wo
ENGINEERING RESEARCH AND CONSULTING, INC.       47QRAA21D004J 256-327-9162 HUNTSVILLE ,AL o
ENTERPRISE RESOURCE PLANNING INTERNATIONAL, LLC 47QRAA19D009W 3014900080 LAUREL ,MD o
EPSILON SYSTEMS SOLUTIONS, INC. 47QRAA21D005F 619-702-1700 SAN DIEGO ,CA o
ESCIENCE AND TECHNOLOGY SOLUTIONS, INCORPORATED GS-00F-124GA 301-429-0005 x106 LANDOVER ,MD s/d  
EXCET, INC. GS-00F-004BA 703-919-0953 SPRINGFIELD ,VA 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
FISHER BIOSERVICES INC. GS-07F-6003R 240-618-1368 ROCKVILLE ,MD o
FRATELLO, INC. GS-10F-0202X (540)596-0695 STEPHENS CITY ,VA s/w/wo  
FREDERICKTOWNE LABS, INC 47QSWA22D007P 301-293-3340 MYERSVILLE ,MD s/w/wo/d
FREEDOM TECHNOLOGIES INC GS-00F-013CA (703) 516-3031 ARLINGTON ,VA s/w/wo
FTS INTERNATIONAL, LLC 47QRAA19D0064 703-225-7713 STERLING ,VA s
G2 OPS, INC. 47QRAA18D0002 757-373-7368 VIRGINIA BEACH ,VA s/w/wo/ew/d
GAN CORPORATION GS-10F-0085U 256-509-9150 HUNTSVILLE ,AL s
GARUD TECHNOLOGY SERVICES, INC. GS-10F-179AA 2022561079 ELLICOTT CITY ,MD s/w/wo/ew/d/8a
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
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
GENCO SYSTEMS, INC. GS-23F-0019P 703-234-5261 HERNDON ,VA s/d/8a
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 MCLEAN ,VA s/dv/d
GENERAL TECHNICAL SERVICES L.L.C.       47QRAA19D006Y 732-979-8870 WALL TOWNSHIP ,NJ s/w/wo
GENESIS ENGINEERING SOLUTIONS, INC. 47QRAA21D0011 240-582-3193 LANHAM ,MD s/d
GEOENGINEERS, INC. 47QRAA18D00E3 (425)861-6000 REDMOND ,WA o  
GEORGE CONSULTING, LTD.       GS-35F-130GA 843-471-1322 NORTH CHARLESTON ,SC s
GILBANE BUILDING COMPANY GS-23F-0024R 5712532994 PROVIDENCE ,RI o
GLEASON RESEARCH ASSOCIATES INCORPORATED 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 SCIENCE & TECHNOLOGY, INC. 47QSWA18D00AM 304-368-6135 GREENBELT ,MD s/d
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
GOLDBELT C6, LLC 47QRAA19D00CS (757)550-2121 CHESAPEAKE ,VA s/d/8a
GOVERNMENT SCIENTIFIC SOURCE, INC. GS-07F-5934R 703-734-1805 RESTON ,VA s
GREENDART, INCORPORATED GS-10F-214AA 3102420032 SAN PEDRO ,CA s/h
GROVE RESOURCE SOLUTIONS, INC.       GS-10F-0502X 240-772-2433 BETHESDA ,MD o
HAMILTON SUNDSTRAND SPACE SYSTEMS INTERNATIONAL, INC. GS-10F-0439X (860)654-4244 HOUSTON ,TX o  
HATCH, JOHN M 47QRAA18D001M 4254660744 LAGO VISTA ,TX s
HDR ENGINEERING, INC. GS-00F-152CA 303-754-4252 OMAHA ,NE o
HEBCO, INC. 47QRAA18D00F2 (479)361-9692 OKLAHOMA CITY ,OK s/d  
HIGHERECHELON, INC. GS-00F-164GA 256-724-8842 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
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
HW CONSULTING, INCORPORATED GS-10F-0156U (202)734-0753 WASHINGTON ,DC s/w/wo
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 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
IHRC, INCORPORATED       GS-07F-354AA 678-615-3220 ATLANTA ,GA o
INDUS TECHNOLOGY INC. 47QRAA18D00DR (619)299-2555 SAN DIEGO ,CA s/dv  
INFLOWLOGISTICS, LLC 47QRAA20D003L 972-523-0401 SAN ANTONIO ,TX s/w/wo/h
INFORMATION SYSTEMS LABORATORIES, INC. 47QRAA21D001U 858-373-2717 VIENNA ,VA s
INNOVATIVE CONSULTING & MANAGEMENT SERVICES, LLC 47QRAA19D000D 3014444100 ROCKVILLE ,MD s/d/8a/h
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
INTEGRATED SOLUTIONS FOR SYSTEMS, INC. GS-00F-378GA 2564899723 HUNTSVILLE ,AL o
INTEGRATION INNOVATION, INC. GS-00F-210CA 256-562-2978 HUNTSVILLE ,AL s
INTEGRITY TESTLABS, LLC       47QSWA22D004P 302-325-2365 NEW CASTLE ,DE s
INTER-COASTAL ELECTRONICS, LLC GS-00F-0019Y 480-981-6898 MESA ,AZ o
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-07F-0158V (770) 280-7431 CORTLAND ,NY o
INTERTEK TESTING SERVICES NA, INC.       GS-10F-0084U 770-280-7431 CORTLAND ,NY o
INTREPID, L.L.C. GS-10F-014AA 256-705-6830 HUNTSVILLE ,AL s
INTUITIVE RESEARCH AND TECHNOLOGY CORPORATION       47QRAA20D0022 2569229300 HUNTSVILLE ,AL s
INTUITIVE RESEARCH AND TECHNOLOGY CORPORATION GS-23F-0343N 2569229300 HUNTSVILLE ,AL o
INVARIANT CORPORATION GS-23F-0315P 256-885-9794 HUNTSVILLE ,AL s
INVICTUS INTERNATIONAL CONSULTING, LLC       47QRAA19D00C0 703-214-1201 ALEXANDRIA ,VA o
IRONCLAD TECHNOLOGY SERVICES LLC 47QRAA20D000L 757-493-3572 VIRGINIA BEACH ,VA o
IRONMOUNTAIN SOLUTIONS, INC. GS-10F-0390Y 256-428-1922 HUNTSVILLE ,AL o
ISSAC CORP GS-10F-0233Y 719-725-6904 COLORADO SPRINGS ,CO s/dv
ITEGRITY, INC.       47QSWA20D0049 (202)271-2292 SILVER SPRING ,MD s/d/8a  
ITEGRITY, INC. GS-35F-049DA 2022712292 SILVER SPRING ,MD s/d/8a
JACKSON AND TULL, CHARTERED ENGINEERS       47QRAA18D00DJ 2405537005 WASHINGTON ,DC s/d
JACOBS TECHNOLOGY INC. GS-00F-038CA 931-455-6400 TULLAHOMA ,TN o
JAHN CORP 47QRAA21D001R 301-862-5241 LEXINGTON PARK ,MD s
JANUS RESEARCH GROUP, LLC GS-00F-310CA 7063649100 EVANS ,GA o
JARDON & HOWARD TECHNOLOGIES, INCORPORATED 47QRAA21D008B 407-381-7797 ORLANDO ,FL s/dv
JAXON ENGINEERING AND MAINTENANCE, INC.       GS-10F-0447Y 719-484-8750 COLORADO SPRINGS ,CO s/w
JENSEN HUGHES, INC. GS-00F-006CA 425-217-1123 BALTIMORE ,MD o
JJR SOLUTIONS, LLC GS-00F-146GA 937-356-3424 DAYTON ,OH s/dv
JMS NAVAL ARCHITECTS, LLC       GS-10F-0181V 860-536-0009 MYSTIC ,CT s/v
JOHN H NORTHROP & ASSOCIATES INC GS-10F-0168T (443)-624-2218 CLIFTON ,VA s/dv
JOINT RESEARCH AND DEVELOPMENT, INC. GS-10F-0093T 5402883132X201 STAFFORD ,VA s/dv
KALMAN & COMPANY, INC. GS-00F-343CA 757-461-4292 VIRGINIA BEACH ,VA s/w/wo
KBM ENTERPRISES, INC.       GS-23F-0001R 9314689233 HUNTSVILLE ,AL s/w/wo
KBR WYLE SERVICES, LLC       GS-00F-200CA 2569716126 LEXINGTON PARK ,MD o
KELLY SERVICES, INC. 47QSWA22D007G 559-967-6148 TROY ,MI o
KEMSYSTEK, LLC 47QRAA20D0047 (410)740-8706 FALLS CHURCH ,VA s/w/wo/dv/d  
KENIFIC GROUP INC, THE 47QRAA19D00C7 571-636-4002 FAIRFAX ,VA s
KENTCO CORPORATION 47QRAA20D000S 571-665-4199 HERNDON ,VA s/dv
KEYW CORPORATION, THE GS-00F-001DA (703)984-4305 HANOVER ,MD o  
KIHOMAC, INC.       GS-10F-0173T 385-515-4280 RESTON ,VA o
KIMLEY-HORN AND ASSOCIATES, INC. GS-10F-0501X 919 677-2000 RALEIGH ,NC o
KMEA 47QRAA20D006G 619-451-6199 SAN DIEGO ,CA o
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  
KULJIAN CORPORATION, THE 47QRAA21D002G 2156946464 BRISTOL ,PA s
LEIDOS, INC. GS-00F-022CA 240-460-5984 RESTON ,VA o
LEIDOS, INC. GS-35F-116AA (571) 526-7085 RESTON ,VA o
LEONARDO TECHNOLOGIES, INC.       47QRAA21D000U 7409682222X104 ST CLAIRSVILLE ,OH s
LEONARDO TECHNOLOGIES, INC.       GS-23F-0231R 7409682222X104 ST CLAIRSVILLE ,OH s
LIBERTY PARTNERS, INC. 47QRAA22D007Z (918)756-6474 OKMULGEE ,OK s/w/wo/ew/d/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 47QRAA21D009B 323-924-1587 LOS ANGELES ,CA o
LJB INC GS-00F-049CA 937-259-5000 MIAMISBURG ,OH o
LOCKWOOD GROUP LLC, THE GS-00F-349GA 240-285-5480 BELCAMP ,MD s/dv
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
LONG ISLAND ANALYTICAL LABORATORIES INC       47QSWA23D002Y (631)472-3400 HOLBROOK ,NY s    
LOVELACE BIOMEDICAL RESEARCH INSTITUTE 47QSWA18D007U 5053489424 ALBUQUERQUE ,NM o
LUDLUM MEASUREMENTS, INC.       47QRAA19D008Y 801-260-4010 DRAPER ,UT 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
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., 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 AND OPERATIONS, INC. GS-23F-0233S 9086869414 COLONIA ,NJ s
MARINE SYSTEMS CORPORATION 47QRAA19D006B 617-542-3345 X1112 BOSTON ,MA s
MARTIN/MARTIN, INC. 47QRAA21D009P 303-431-9361 LAKEWOOD ,CO o
MASON LIVESAY SCIENTIFIC, LLC 47QRAA19D00AJ (865)294-4368 OAK RIDGE ,TN s/w/wo/d  
MAXAR INTELLIGENCE INC.       47QRAA19D002V 703-439-4772 WESTMINSTER ,CO o
MAYVIN, INC. GS-10F-0280Y (703) 750-1794 ALEXANDRIA ,VA o
MCCONNELL GROUP, INC. THE 47QSWA20D000S 301-795-4490 HYATTSVILLE ,MD s/dv/d
MCR FEDERAL, LLC GS-00F-123CA 703.740.2237 MCLEAN ,VA o
MELE ASSOCIATES, INC. GS-00F-243CA (240)453-6962 ROCKVILLE ,MD s/v
METRON, INCORPORATED       GS-00F-166DA 7033262870 RESTON ,VA s
MEYER CONSULTING ENGINEERS CORP. 47QRAA23D002K 2408766720 ROCKVILLE ,MD s
MICHAEL BAKER INTERNATIONAL, INC. 47QRAA21D008D 703-483-0029 ALEXANDRIA ,VA o
MICROCOM DESIGN, INC. GS-10F-0213W 410-771-1070 COCKEYSVILLE ,MD s
MILLENNIUM CORPORATION GS-10F-0141W 703-436-1346 ARLINGTON ,VA s/dv/d
MILVIAN SOLUTIONS, LLC       47QRAA18D008C (915)892-4585 EL PASO ,TX s/dv/d  
MINO MARINE, L.L.C. GS-00F-249GA 504-218-8162 NEW ORLEANS ,LA s
MISSIONFOCUS LLC GS-10F-149AA (703)291-6721 MC LEAN ,VA s    
MOBIUS CONSULTING, LLC GS-00F-088GA 571-445-6320 ALEXANDRIA ,VA s/w/wo/h
MODERN TECHNOLOGY SOLUTIONS, INC.       47QRAA20D0036 703-564-3800 ALEXANDRIA ,VA s
MONTE SANO RESEARCH CORPORATION       47QRAA18D006B 2567053527 HUNTSVILLE ,AL s
MORSECORP, INC 47QRAA18D00A1 617-314-7509 CAMBRIDGE ,MA s
MPR ASSOCIATES, INC. 47QRAA19D0078 703-519-0200 ALEXANDRIA ,VA o
MTA, INC. GS-23F-0039P 256-922-1110 HUNTSVILLE ,AL s/w/wo
MTI SYSTEMS, INC. GS-00F-007BA (518)894-2538 LOTHIAN ,MD s/w/wo/d  
MTSA II JV LLC 47QRAA23D001Y 703-930-9624 FAIRFAX ,VA s/dv
NANORACKS, LLC 47QRAA18D004R (832)632-7754 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
NELSON ENGINEERING CO. GS-00F-324CA 3214491128 MERRITT ISLAND ,FL s
NETCENTRIC TECHNOLOGY, LLC 47QRAA19D00AU 571-418-9792 WALL ,NJ s/d
NEWPORT PARTNERS, THE, LLC GS-00F-007CA (301) 889-0017 DAVIDSONVILLE ,MD s
NEXAGEN NETWORKS INC GS-00F-066GA 732-598-1277 OLD BRIDGE ,NJ s/w/d
NLOGIC, LLC GS-00F-239CA 2567042513 HUNTSVILLE ,AL s
NOBLIS, INC. GS-00F-096DA (703) 610-2290 RESTON ,VA o
NORTHINGTON CONSULTING, LLC       47QRAA18D0083 (256) 651-3333 HUNTSVILLE ,AL s/dv
NORTHROP GRUMMAN SYSTEMS CORPORATION GS-00F-128CA 703-713-4588 MCLEAN ,VA o
NOU SYSTEMS, INC. GS-00F-143DA 256-327-5541 HUNTSVILLE ,AL s/w/wo
NTA, INC. GS-10F-0132W 256-327-4103 HUNTSVILLE ,AL s
NTT DATA SERVICES FEDERAL GOVERNMENT LLC       47QRAA19D0069 703-289-8161 HERNDON ,VA o
OASIS SYSTEMS, LLC 47QRAA18D006F 781-879-1447 BURLINGTON ,MA s
OASYS, INC. GS-00F-182DA 2568019025 HUNTSVILLE ,AL s
OCH TECHNOLOGIES, LLC 47QRAA19D005Q 7038643479 LEESBURG ,VA s/d/8a
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
OILFIELD ENVIRONMENTAL & COMPLIANCE, INC.
(DBA: O E C)
47QSWA17D0001 (805) 922-4772 SANTA MARIA ,CA s/w/wo
OLD DOMINION UNIVERSITY RESEARCH FOUNDATION GS-10F-097CA (757)683-7224 NORFOLK ,VA o  
ONEIDA TOTAL INTEGRATED ENTERPRISES, LLC 47QRAA20D009B (414)607-6767 MILWAUKEE ,WI s/d  
OTHRAM INC 47QSWA22D00A7 832-390-8510 SHENANDOAH ,TX s/d
OVERLOOK SYSTEMS TECHNOLOGIES, INC. GS-10F-0100T 7039724368 VIENNA ,VA s
P3I, INCORPORATED 47QTCA20D000K 508-435-7882 HOPKINTON ,MA s/w/wo/v
PAGNOTTA ENGINEERING INC. 47QRAA19D0016 (859)572-4482 EXTON ,PA s    
PARSONS GOVERNMENT SERVICES INC. 47QRAA19D000A (210) 477-1616 PASADENA ,CA o
PATRICIO ENTERPRISES, INC GS-00F-167GA 703 441-4760 STAFFORD ,VA o
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
PEOPLETEC, INC.       47QRAA22D00CX 256-319-3937 HUNTSVILLE ,AL s
PERATON AEROSPACE & DEFENSE INC. GS-23F-0207P 256-922-6783 HUNTSVILLE ,AL o
PERIKIN ENTERPRISES, LLC GS-00F-003AA 505-333-0501 ALBUQUERQUE ,NM s/d/8a/h
PHOTON EFLUX, LLC       47QRAA23D0048 (270)300-1716 HUNTSVILLE ,AL s    
PINNACLE SOLUTIONS, INC. GS-00F-0017X 256-489-1565 HUNTSVILLE ,AL o
POLARIS SENSOR TECHNOLOGIES, INC. GS-00F-198GA 256-562-0087 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 256-350-5983 MADISON ,AL s/dv
PRESCIENT EDGE CORPORATION 47QRAA18D00CU (917)330-3069 MC LEAN ,VA s/v  
PRKK, L.L.C. 47QRAA18D006N (303)246-3377 STUART ,FL s    
PRODUCTIVITY APEX, INC. GS-10F-0266U (407)222-1256 WINTER PARK ,FL s/w/wo/d/8a  
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
PROFESSIONAL, ACQUISITION, AND TECHNICAL SERVICES, INC. 47QTCA18D007W 703-416-1304 FALLS CHURCH ,VA o
PURVIS SYSTEMS INCORPORATED GS-10F-0191X (401)849-4750 QUEENS VILLAGE ,NY s  
QED SYSTEMS LLC 47QRAA18D00A9 443-360-4504 ABERDEEN PROVING GR ,MD s
QINETIQ INC. 47QRAA18D00AA (781)795-2581 LORTON ,VA o  
QTEC, INC       47QRAA22D00D4 256-883-7994 HUNTSVILLE ,AL s/w/wo
QUANTUM RESEARCH INTERNATIONAL, INC. 47QRAA19D00A9 256-971-1800 1245 HUNTSVILLE ,AL s
QUASARS INCORPORATED 47QTCA18D006V 202-507-9446 WASHINGTON ,DC s/w/wo/h
R2C LIMITED LIABILITY COMPANY GS-00F-306GA 256-799-2363 HUNTSVILLE ,AL s/dv
RADIANCE TECHNOLOGIES, INC.       47QRAA19D008B 256-489-8960 HUNTSVILLE ,AL s
RAYTHEON COMPANY GS-35F-204GA 310-710-8372 WALTHAM ,MA o
RCA LABORATORY SERVICES LLC 47QSWA22D009U (860)377-7360 GLEN ALLEN ,VA o    
RED CANYON SOFTWARE, INC       GS-00F-044GA (303)864-0556 DENVER ,CO s/dv/h  
RED SIX SOLUTIONS, LLC 47QSWA20D002F 8455218359 SEVERNA PARK ,MD s/dv/d
REDHORSE CORPORATION       GS-00F-0013Y 619-241-4609 ARLINGTON ,VA o
REDHORSE CORPORATION GS-07F-134GA (619) 241-4609 ARLINGTON ,VA o
REED ENTERPRISE CONSULTING LLC       47QRAA18D00EP (256)603-4353 HUNTSVILLE ,AL s/dv/h  
RESEARCH TRIANGLE INSTITUTE GS-00F-354CA 9195416624 RESEARCH TRIANGLE P ,NC o
RESPEC COMPANY, LLC 47QTCA19D0084 (605) 394-6400 RAPID CITY ,SD o
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
ROBERT AND COMPANY GS-00F-210GA 4045774000 ATLANTA ,GA s/dv
ROCK ENGINEERING LLC       GS-00F-319GA (860)841-7106 SOUTH WINDSOR ,CT s  
S2 ANALYTICAL SOLUTIONS, LLC 47QRAA19D006L 571-306-0715 HERNDON ,VA s/v
SA TECHNICAL SERVICES, INC. 47QRAA19D00BL (850)613-6085 NICEVILLE ,FL s/dv
SABRE SYSTEMS, INC. GS-00F-178CA 215-347-1458 WARMINSTER ,PA o
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 AND TECHNOLOGY ASSOCIATES, INC.       47QRAA19D0082 703-522-5123 ARLINGTON ,VA s
SCIENCE AND TECHNOLOGY CORPORATION 47QRAA21D0061 757-766-5819 HAMPTON ,VA s
SCIENCE APPLICATIONS INTERNATIONAL CORPORATION GS-00F-002CA 703-981-7244 RESTON ,VA o
SCIENCE MANAGEMENT & ENGINEERING, INC. GS-07F-0483W (571)276-3634 SILVER SPRING ,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
SEI GROUP, INC. 47QRAA19D001U 256-533-0500 HUNTSVILLE ,AL o
SENSOR CONCEPTS AND APPLICATIONS, INC. GS-10F-0240Y 4439558899 GLEN ARM ,MD 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 7034486081 HERNDON ,VA o
SERES ENGINEERING & SERVICES LLC 47QRAA18D00ES (843) 216-8531 CHARLESTON ,SC s/d/8a
SERVO INNOVATIONS, LLC 47QRAA19D00B3 269-792-9279 WAYLAND ,MI s
SEV1TECH INC 47QRAA18D008N 504-831-1900 WOODBRIDGE ,VA s
SEV1TECH INC       GS-10F-0008V 7036629778 WOODBRIDGE ,VA o
SEVATEC LLC GS-10F-0142W 571-423-0200 VIENNA ,VA o
SHARMA & ASSOCIATES INC       GS-10F-0027T 708-588-9871 HINSDALE ,IL s/d
SIGMA SCIENCE, INC. 47QRAA18D005Q 505-389-2201 ALBUQUERQUE ,NM s/d/8a
SIGMATECH, INC. GS-00F-060CA 256-319-9212 HUNTSVILLE ,AL s
SIGNALINK, INC GS-00F-038GA 256-529-9096 MADISON ,AL s/w/wo/v
SIGNATURE SCIENCE, LLC GS-00F-105CA (877) 474-4724 AUSTIN ,TX o
SIGNATURE SOLUTIONS, INC.       GS-00F-207GA 2565081961 HUNTSVILLE ,AL s
SIMULATION TECHNOLOGIES, INC.       GS-10F-100BA 256-428-2904 HUNTSVILLE ,AL s/wo
SIRIS LLC 47QRAA19D00CA 8439013540 MOUNT PLEASANT ,SC s/dv/d
SKJEI TELECOM, INC. GS-23F-0286P 703-249-9260 VIENNA ,VA s
SOBRAN, INC. GS-00F-220CA 703-352-9511 DAYTON ,OH o
SONALYSTS, INC.       GS-00F-351CA 860-326-3652 WATERFORD ,CT o
SOS INTERNATIONAL LLC GS-00F-093CA 703-475-1757 RESTON ,VA o
SOUTHWEST RESEARCH INSTITUTE GS-07F-6087P (210)522-2230 SAN ANTONIO ,TX o  
SPACEFLIGHT, INC GS-00F-036DA 866-342-9934 SEATTLE ,WA o
SPECIAL AEROSPACE SERVICES GS-10F-0456X (303)625-1010 BOULDER ,CO s/w/wo/ew/d/8a  
SPORIAN MICROSYSTEMS INC       47QRAA18D00BN 303-516-9075 LAFAYETTE ,CO s
SRC, INC. 47QRAA19D005N 3154528165 SYRACUSE ,NY o
STANTEC CONSULTING SERVICES INC. 47QRAA19D000Q 916-418-8338 BROOMFIELD ,CO o
STANTON ENGINEERING SERVICES LLC 47QRAA18D0078 (410)290-9301 COLUMBIA ,MD s  
STARGATES, INC. GS-00F-0033Y 703-465-7955 ARLINGTON ,VA s
STELLAR SOLUTIONS, INC. 47QRAA18D00FQ 703-657-2734 PALO ALTO ,CA s/w/wo
STEMBOARD, LLC 47QRAA20D0039 703-884-2121 ARLINGTON ,VA s/w/wo/ew/d/8a
STRATA G, LLC GS-00F-004CA 8659343400 KNOXVILLE ,TN o
STRATA-G SOLUTIONS, LLC GS-10F-0287W 256-705-4316 HUNTSVILLE ,AL s/d
STRATEGIC ALLIANCE BUSINESS GROUP LLC GS-10F-0316P 7037175620 FAIRFAX ,VA s/w/wo/ew/dv
STRATEGIC ALLIANCE CONSULTING INC. GS-00F-372GA 703-224-8880 WARRENTON ,VA s/dv
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
SUMMIT TECHNICAL SOLUTIONS LLC GS-10F-0347T 7194760715 COLORADO SPRINGS ,CO s/w/wo/v
SURE-BIOCHEM LABORATORIES, LLC 47QSWA21D004C 888-398-7247 CAMDEN ,NJ s/w/wo/ew/d/8a/h
SYMVIONICS, INC GS-23F-0357N 626-305-1400 X 228 ARCADIA ,CA s
SYNEREN TECHNOLOGIES, CORPORATION 47QTCA19D007L 3018300529 ARLINGTON ,VA s/w/wo/d
SYSTEM DYNAMICS INTERNATIONAL INCORPORATED 47QRAA23D0017 256-895-7189 HUNTSVILLE ,AL s/w/wo
SYSTEM DYNAMICS INTERNATIONAL INCORPORATED GS-23F-0033P (256) 895-9000 HUNTSVILLE ,AL s/w/wo
SYSTEM STUDIES & SIMULATION, INC 47QRAA19D005Y 256-539-1700 X1117 HUNTSVILLE ,AL s/w/wo
SYSTEMS PLANNING AND ANALYSIS, INC. GS-00F-186CA 703-399-7017 ALEXANDRIA ,VA o
SYSTEMS PRODUCTS AND SOLUTIONS, INC.       GS-00F-137CA 256-382-7736 HUNTSVILLE ,AL s/w/wo
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
TAI ENGINEERS, LLC GS-00F-020GA (504)282-6166 NEW ORLEANS ,LA s/d  
TDI-BROOKS INTERNATIONAL, INC. GS-07F-5388R 979-693-3446 COLLEGE STATION ,TX o
TEAM PLACEMENT SERVICE INC
(DBA: BIO SEARCH)
GS-07F-5604R (703)820-8618 ALEXANDRIA ,VA s/w  
TEAMWORKNET, INC GS-23F-0182R 8633271080 LAKELAND ,FL s
TEC-MASTERS INC. GS-00F-0004X 2567216639 HUNTSVILLE ,AL s/d
TECHFLOW, INC. 47QTCA19D0048 858-412-8000 SAN DIEGO ,CA o
TECHFOCUS LLC 47QSWA22D0091 304-906-8124 ARVADA ,CO s/w/wo/ew/d/8a
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 CORPORATION GS-23F-0240S 301-576-2372 ARLINGTON ,VA o
TECHSOURCE, INC. GS-00F-003DA 5054126251 LOS ALAMOS ,NM s
TEKLA RESEARCH, INC. GS-10F-073AA 703-492-2620 FREDERICKSBURG ,VA s/dv
TELEDYNE BROWN ENGINEERING, INC. GS-00F-155CA 2567261211 HUNTSVILLE ,AL o
TESLA LABORATORIES INC. GS-23F-0208S 571.303.9483 ARLINGTON ,VA s/dv/d
TETRA TECH, INC. GS-00F-168CA 8056813102 PASADENA ,CA o
TEXAS RESEARCH INSTITUTE, AUSTIN, INC. 47QRAA19D0056 512-263-3272 AUSTIN ,TX s
TM CAPTURE SERVICES, LLC       47QRAA19D001Z (937) 426-2596 BEAVERCREEK ,OH s/w/wo/ew/d/8a
TOLLIVER GROUP, INC., THE GS-00F-0013W 2567150488 HUNTSVILLE ,AL s
TORCH TECHNOLOGIES INC GS-23F-0321N 256-319-6000 HUNTSVILLE ,AL o
TOTAL SOLUTIONS, INC. GS-23F-0253R 256-705-0128 MADISON ,AL s/w/wo/d
TRAX INTERNATIONAL CORPORATION       47QRAA19D0072 702-216-4457 LAS VEGAS ,NV o
TRIDENT TECHNOLOGIES, LLC       GS-23F-0157P 256-705-5449 HUNTSVILLE ,AL o
TRIDENTIS, PLLC GS-10F-0462Y 7032444920 ALEXANDRIA ,VA s
TRIDEUM CORPORATION GS-10F-0130T 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 256-799-7706 HUNTSVILLE ,AL s/d
TRUSTED STRATEGIC SOLUTIONS LLC 47QRAA23D002A 916-778-7402 ROSEVILLE ,CA s/d
TSM CORPORATION GS-00F-284CA 407-443-4709 RESTON ,VA o
TUBA GROUP, INC. GS-00F-222CA 7034179410 FALLS CHURCH ,VA s/d/8a
TYTO GOVERNMENT SOLUTIONS, INC. GS-00F-350CA 7033429859 HERNDON ,VA o
TYVAK NANO-SATELLITE SYSTEMS, INC. 47QRAA18D00DG (949)753-1020 IRVINE ,CA s  
UL LLC GS-10F-0426Y 717-459-3391 NORTHBROOK ,IL o
UNDERWRITERS LABORATORIES INC.       47QRAA18D007T 847-664-3475 NORTHBROOK ,IL o
UNIFIED BUSINESS TECHNOLOGIES, INC. GS-10F-0230X 248-588-1781 TROY ,MI s/w/wo/ew/d
UNIVERSAL TECHNICAL RESOURCE SERVICES, INC.       47QRAA19D009N 856-438-1114 CHERRY HILL ,NJ o
UNIVERSITY OF DAYTON GS-23F-0143R 937-229-2920 DAYTON ,OH o
USFALCON, INC. GS-00F-322GA 919.459.1955 CARY ,NC s/dv
UTAH STATE UNIVERSITY SPACE DYNAMICS LABORATORY       GS-23F-0046P 4357133203 NORTH LOGAN ,UT o
VALI, INC. GS-23F-0037S 2705854538 HUNTSVILLE ,AL s/dv
VALKYRIE ENTERPRISES, LLC 47QRAA18D00DP (757)962-2545 VIRGINIA BEACH ,VA o  
VANA SOLUTIONS LLC       47QRAA18D00E2 (937)242-6399 BEAVERCREEK ,OH s/w/wo/ew/d  
VANASSE HANGEN BRUSTLIN INC GS-00F-116CA 804-441-7439 WILLIAMSBURG ,VA o
VECTOR RESOURCE, INC       GS-00F-0004U 619-433-9586 ERIE ,PA s/w
VECTRUS SYSTEMS CORPORATION GS-00F-050CA 7196374506 MCCLEAN ,VA o
VENTURI, LLC GS-00F-044CA 2567052019 HUNTSVILLE ,AL s/d
VERITY INTEGRATED SYSTEMS, INC. GS-00F-321GA 256-489-5680 HUNTSVILLE ,AL s/w/wo/ew/d
VERSAR, INC. 47QRAA18D00F7 703-642-6793 WASHINGTON ,DC o
VERSAR, INC. 47QRAA22D0055 202-567-2186 WASHINGTON ,DC o
VETERAN ENTERPRISE TECHNOLOGY SERVICES, LLC 47QRAA18D00EU 7033497600 ASHBURN ,VA s/dv
VICTORY SOLUTIONS, INC. GS-10F-0011U 256-895-2867 HUNTSVILLE ,AL s/w/wo/dv
VIGYAN, INC. 47QRAA21D0023 757 865-1400 X202 HAMPTON ,VA s/w/wo/d
VISION CENTRIC INC. GS-10F-0034U 256-830-0042 MADISON ,AL s/dv/d
VSE CORPORATION GS-00F-213CA 703-329-4724 ALEXANDRIA ,VA o
VT AEPCO INC. 47QRAA23D001W 757-463-2800 VIRGINIA BEACH ,VA o
VT AEPCO INC. GS-23F-0191N 301-863-6512 VIRGINIA BEACH ,VA o
W R SYSTEMS LTD. GS-00F-317GA 703-934-0200 FAIRFAX ,VA o
WAVELINK, INC. GS-10F-0397Y 256-776-7216 HUNTSVILLE ,AL s/w/wo
WILLBROOK SOLUTIONS, INC. GS-10F-0299V 2564895820 EXT 107 HUNTSVILLE ,AL s/w/wo
WILLOWVIEW CONSULTING, LLC GS-10F-0315V 2082500211 EAGLE ,ID s/w/wo/d
WPL, INC.       GS-10F-0187X 310-546-4099 COLORADO SPRINGS ,CO s
WSP USA ENVIRONMENT & INFRASTRUCTURE INC. GS-00F-314CA 610-877-6109 BLUE BELL ,PA o
WSP USA SOLUTIONS INC. 47QRAA18D002R 202-303-2613 WASHINGTON ,DC o
YANG ENTERPRISES, INC. GS-10F-0135Y 407 365 7374 OVIEDO ,FL s/w/wo/d
YETISPACE, INC. 47QRAA19D001W 2566827645 HUNTSVILLE ,AL s
ZANTECH IT SERVICES, INC. 47QRAA19D004L 7032861393 VIENNA ,VA s/w/wo/d