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00CORP The Professional Services Schedule (PSS)
Professional Engineering Services
Category Description
871 1 Strategic Planning for Technology Programs/Activities Services required under this SIN involve the definition and interpretation of high level organizational engineering performance requirements such as projects, systems, missions, etc., and the objectives and approaches to their achievement. Typical associated tasks include, but are not limited to an 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. Example: The evaluation and preliminary definition of new and/or improved performance goals for navigation satellites such as launch procedures and costs, multi-user capability, useful service life, accuracy and resistance to natural and man-made electronic interference. Professional engineering solutions do 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.
576 contractors

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3U TECHNOLOGIES, LLC       GS-10F-119AA 301-452-3152 CONROE ,TX s
4M RESEARCH, INC.       47QRAA19D0094 256-319-4646 HUNTSVILLE ,AL s/w/wo
5-D SYSTEMS, INC.       GS-23F-0322N 512-238-9840 X 18 ROUND ROCK ,TX s
A-P-T RESEARCH, INC.       GS-23F-0153L (256) 327-4015 HUNTSVILLE ,AL 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
ABRAHAM WEITZBERG       GS-23F-0115N 8183475068 WOODLAND HILLS ,CA s
ABSG CONSULTING INC.       GS-00F-026CA 865-671-5837 SPRING ,TX o
ACQUISITION SYSTEMS ASSOCIATES, INC.       47QRAA19D001V 7039663786 TYSONS ,VA s
ADVANCED CORE CONCEPTS, LLC       GS-00F-0005U 404-902-6301 WARNER ROBINS ,GA s
ADVANCED MANAGEMENT STRATEGIES GROUP, INC.       GS-00F-024CA 571-931-0435 DUMFRIES ,VA s/dv
ADVANCED MANAGEMENT TECHNOLOGY, INC.       GS-00F-0006N 703-841-2680 ARLINGTON ,VA o
ADVANCED SCIENCES AND TECHNOLOGIES, LLC       GS-10F-0103U (856)719-9001 BERLIN ,NJ s  
AECOM MANAGEMENT SERVICES, INC.
(DBA: AECOM)
      GS-00F-046CA 301-944-3224 GERMANTOWN ,MD o
AECOM N&E TECHNICAL SERVICES LLC       GS-23F-0146R 803-502-9613 AIKEN ,SC o
AEGIS TECHNOLOGIES GROUP, INC., THE       GS-10F-0019U 256-922-0802 HUNTSVILLE ,AL s
AERO THERMO TECHNOLOGY, INC.       47QRAA18D00BA 2569221141 HUNTSVILLE ,AL s/w/wo
AERO THERMO TECHNOLOGY, INC.       GS-23F-0333K (256)922-1141 HUNTSVILLE ,AL s/w  
AEROSPACE BUSINESS DEVELOPMENT ASSOCIATES, INC.       GS-00F-312DA 9373181640 FAIRBORN ,OH s/v
AFFILIATED ENGINEERS METRO DC, INC.       47QRAA18D00GE 3014687766 ROCKVILLE ,MD o
AFG GROUP INC.       GS-23F-0371P 7034350029 HERNDON ,VA s/w/wo
AI SIGNAL RESEARCH, INC.       GS-10F-0254T 256-551-0008 X 39 HUNTSVILLE ,AL s/w
AI SOLUTIONS, INC.       GS-23F-0124L 301-306-1756 LANHAM ,MD s
ALEX - ALTERNATIVE EXPERTS, LLC       47QRAA18D003Y 703-547-1665 DUMFRIES ,VA s/w/wo/ew/d/8a
ALEXANDRIA INSIGHTS, INC       47QRAA18D003M (703) 282-0121 STAFFORD ,VA s/dv
ALION SCIENCE AND TECHNOLOGY CORPORATION       GS-00F-064CA 703-259-5008 BURR RIDGE ,IL o
ALLEGHENY SCIENCE & TECHNOLOGY CORPORATION       GS-10F-053AA 571-418-6376 BRIDGEPORT ,WV s/w/wo/ew/d/8a
ALLIANCE POINTE, LLC       47QRAA18D00GY 571.261.6724 ANNANDALE ,VA s/w/wo/h
ALLIED MISSION GROUP LLC       47QRAA18D00G8 571-344-0888 LEESBURG ,VA s/d/h
ALPHA BETA TECHNOLOGIES, INC.       GS-23F-0109S 256-679-7950 HUNTSVILLE ,AL s/dv/d/8a
ALPHASIX CORPORATION       47QRAA19D00B6 703-579-6479 DULLES ,VA o
ALTAMIRA TECHNOLOGIES CORPORATION       47QRAA19D0027 703-813-2163 MCLEAN ,VA s
AMEE BAY, LLC       GS-10F-0255V 703-365-0450 ANCHORAGE ,AK s/d/8a
AMERICAN SYSTEMS CORPORATION       GS-00F-089CA 703-968-5068 CHANTILLY ,VA o
ANALYSIS, PLANNING AND MANAGEMENT INSTITUTE, INC.       47QRAA19D0047 (844)470-8802 CULPEPER ,VA o    
ANALYTIC SERVICES INC.       GS-00F-095CA 7034161304 FALLS CHURCH ,VA o
ANALYTICAL MECHANICS ASSOCIATES, INC.       GS-23F-0047L 757-865-0000X218 HAMPTON ,VA s/d/8a
ANALYTICAL SERVICES, INC.       GS-00F-020DA 301-837-9044 HUNTSVILLE ,AL s/d
ANDROMEDA SYSTEMS INCORPORATED       GS-10F-0300Y 904-402-8661 VIRGINIA BEACH ,VA s/dv
ANTARES GROUP INCORPORATED       47QRAA19D008S 301-731-1900 X 220 LANHAM ,MD s
APOGEE ENGINEERING, LLC       GS-10F-0242W 7194184968 COLORADO SPRINGS ,CO s/d/8a
APOGEE SOLUTIONS, INC.       47QRAA18D009D 757-549-2645 CHESAPEAKE ,VA s/w/wo
APPLIED DEFENSE SOLUTIONS, INC.       GS-10F-0198Y 4107150005 COLUMBIA ,MD s
APPLIED RESEARCH ASSOCIATES, INC.       GS-00F-341CA 505-881-8074 ALBUQUERQUE ,NM o
APPLIED RESEARCH SOLUTIONS, INC       GS-00F-135GA 937-912-6100 BEAVERCREEK ,OH s
APPLIED TECHNOLOGY, INC.       47QRAA19D00CC 540-663-0050 KING GEORGE ,VA s
APSI CONSTRUCTION MANAGEMENT       GS-23F-0054S 9496790202 IRVINE ,CA s
APTIVE RESOURCES LLC       GS-07F-281BA 703-598-0697 ALEXANDRIA ,VA s/w/wo/ew/dv/d
ARCADIS U.S., INC.       GS-00F-179CA 757-419-3976 HIGHLANDS RANCH ,CO o
ARES CORPORATION       GS-23F-0113L 650-401-7100 BURLINGAME ,CA o
ART ANDERSON ASSOCIATES, INC.       GS-10F-0159U 360-479-5600 BREMERTON ,WA s/v
ASR INTERNATIONAL CORP.       GS-00F-283CA 6312311086 HAUPPAUGE ,NY s
ASRC AEROSPACE CORP       GS-00F-0059N 301-837-5443 BELTSVILLE ,MD o
ASU RESEARCH ENTERPRISE       47QRAA18D0082 4809413610 SCOTTSDALE ,AZ o
AT&T GOVERNMENT SOLUTIONS, INC.       GS-00F-350CA 5713544065 VIENNA ,VA o
ATDI GOVERNMENT SERVICES, LLC       47QRAA19D001F 703-752-0462 MCLEAN ,VA s/w/wo
ATKINS NORTH AMERICA, INC.       GS-00F-007AA 813-281-4584 TAMPA ,FL o
ATKINSON AERONAUTICS & TECHNOLOGY, INC.       47QRAA18D009W 540-760-7499 FREDERICKSBURG ,VA s/dv
ATMOSPHERIC AND ENVIRONMENTAL RESEARCH, INC.       GS-10F-0313Y (781)761-2380 LEXINGTON ,MA o  
AUGUR CONSULTING INC       47QRAA19D003S 17038285295 ARLINGTON ,VA s/dv
AUSGAR TECHNOLOGIES, INC.       GS-00F-198CA (858)444-8208 SAN DIEGO ,CA s/dv  
AUSLEY ASSOCIATES INC       GS-10F-051CA (301)863-2800 LEXINGTON PARK ,MD s/v  
AVIATION & MISSILE SOLUTIONS, LLC       GS-23F-0017P 256-713-5903 HUNTSVILLE ,AL o
AVION SOLUTIONS, INC.
(DBA: AVION)
      GS-00F-0082N 256-721-7006 HUNTSVILLE ,AL s
BAE SYSTEMS TECHNOLOGY SOLUTIONS & SERVICES INC.       GS-00F-240CA (301) 738-5985 ROCKVILLE ,MD o
BANDWIDTH SOLUTIONS INC
(DBA: BSII GROUP)
      GS-23F-0295P (703)966-4478 MC LEAN ,VA s/w
BANNER DEFENSE, INC.       47QRAA19D004Q 2569708795 MADISON ,AL s/dv
BARBARICUM LLC       GS-00F-206CA (202) 393-0873 WASHINGTON ,DC s/dv/h
BASTION TECHNOLOGIES, INC.       47QRAA19D007C 281-283-9359 HOUSTON ,TX s/d
BASTION TECHNOLOGIES, INC.       GS-00F-0040P 281-283-9359 HOUSTON ,TX o
BATTELLE MEMORIAL INSTITUTE       GS-00F-084CA 614-424-4647 COLUMBUS ,OH o
BAYFIRST SOLUTIONS LLC       GS-10F-0356Y 202-541-1010 WASHINGTON ,DC s/d
BCF SOLUTIONS, INC.       47QRAA19D007K 703-239-3928 CHANTILLY ,VA o
BCS, LLC       GS-00F-269CA 410-997-7778 LAUREL ,MD s
BEACON SYSTEMS, INC       47QRAA18D0091 9544261171 CORAL SPRINGS ,FL s/w/wo/ew/d
BFA SYSTEMS, INC.       GS-10F-0303T 2566797950 HUNTSVILLE ,AL s/dv
BIGELOW FAMILY HOLDINGS LLC       47QRAA18D00C5 586-306-8962 STERLING HEIGHTS ,MI s/w/wo/ew/dv/d/8a
BMT DESIGNERS & PLANNERS, INC.       GS-00F-337CA 703-920-7070 ARLINGTON ,VA o
BOEING AEROSPACE OPERATIONS, INC.       GS-23F-0183K 314-563-7049 SAINT LOUIS ,MO o
BOHANNAN-HUSTON, INC.       GS-00F-0001Y 5058231000 ALBUQUERQUE ,NM o
BOOZ ALLEN HAMILTON INC.       GS-00F-008DA 703-377-4359 MCLEAN ,VA o
BOSTON GOVERNMENT SERVICES, LLC       GS-00F-013GA (202)262-8098 LENOIR CITY ,TN s/d/8a
BOUNDS ASSOCIATES, LLC       GS-10F-115CA 703-647-6005 ALEXANDRIA ,VA s/dv
BRADSHAW ENGINEERING AND TECHNICAL SERVICES, LLC       GS-00F-183DA 256-603-6471 HUNTSVILLE ,AL s
BRILLIGENT SOLUTIONS, INC.       47QRAA18D0062 937-879-4148 FAIRBORN ,OH s
BRMI CONSULTING, INC.       GS-10F-0143T 4434186674 CHEVY CHASE ,MD o
BRTRC FEDERAL SOLUTIONS, INC.       GS-00F-041CA 703-205-1542 VIENNA ,VA o
BRYCE SPACE AND TECHNOLOGY, LLC       47QRAA18D00AN 703-647-8078 ALEXANDRIA ,VA s/w/wo
BTAS INC       GS-23F-0131K 937-431-9431 BEAVERCREEK ,OH s/w/wo
BUILDING PEOPLE, LLC, THE       GS-00F-237GA (703) 669.2222 EXT. LEESBURG ,VA s/d/8a/h
BURNS ENGINEERING, INC.       47QRAA19D00AF 215-979-7700 PHILADELPHIA ,PA o
C2 TECHNOLOGIES INC       47QRAA18D006A 703-448-7945 VIENNA ,VA o
CACI INC FEDERAL       GS-00F-268CA 703-679-3207 CHANTILLY ,VA o
CAMBRIDGE INTERNATIONAL SYSTEMS INC.       47QRAA18D005T 5713198919 ARLINGTON ,VA o
CANYON CONSULTING, LLC       47QRAA18D0065 888-316-1697 LOS ANGELES ,CA s/w/wo/ew/d
CARDNO GS, INC.       GS-00F-196CA 916-355-1248 CHARLOTTESVILLE ,VA o
CAS, INC.       GS-00F-200CA 256-971-6126 HUNTSVILLE ,AL o
CATALYST SOLUTIONS, LLC       GS-00F-412GA 540-602-2600 STAFFORD ,VA s/dv/d
CDI MARINE COMPANY       47QRAA19D002E (757) 763-6722 NORFOLK ,VA o
CDM FEDERAL PROGRAMS CORPORATION       GS-00F-085CA 303-383-2300 FAIRFAX ,VA o
CENTRA TECHNOLOGY, INC.       GS-00F-0020Y 781-272-7892 BURLINGTON ,MA o
CEPEDA SYSTEMS & SOFTWARE ANALYSIS, INC.       GS-00F-224GA 2564288186 HUNTSVILLE ,AL s/w/wo/ew/d/h
CERVELLO TECHNOLOGIES, L.L.C.       47QRAA18D003E 727-303-3009 CLEARWATER ,FL s/dv/d
CFD RESEARCH CORPORATION       GS-10F-0184Y 256-726-4897 HUNTSVILLE ,AL s
CGH TECHNOLOGIES, INC.       47QRAA18D00DD 202-580-7401 WASHINGTON ,DC s/w/wo
CGI FEDERAL INC.       GS-00F-302CA 703-227-4882 FAIRFAX ,VA o
CH2M HILL, INC.       GS-00F-018CA 8655602907 ENGLEWOOD ,CO o
CHEROKEE NATION GOVERNMENT SOLUTIONS       GS-00F-174CA 303-277-1444 CATOOSA ,OK s
CHEROKEE NATION TECHNOLOGY SOLUTIONS, L.L.C.       GS-00F-330GA 210-323-4113 CATOOSA ,OK o
CIMARRON SOFTWARE SERVICES, INC.       47QRAA19D004Y 2812265180 HOUSTON ,TX s/w/wo
CINTEL, INC.       GS-00F-268GA 256-655-6002 HUNTSVILLE ,AL s
CITRINE ENERGY LLC       47QRAA19D008Z 7202721253 DENVER ,CO s/d/h
CLIENT SOLUTION ARCHITECTS LLC       GS-10F-0051T 717-421-7789 MECHANICSBURG ,PA o
CNA CORPORATION, THE       47QRAA18D003X 7038242082 ARLINGTON ,VA o
COGENT SECURITY CONSULTING LLC       GS-00F-301DA (855) 226-4368 X1 ARLINGTON ,VA s
COLSA CORPORATION       GS-00F-293CA 256-964-5276 HUNTSVILLE ,AL s/dv
COLUMBIA GROUP, INC, THE       GS-00F-201CA 2026088415 WASHINGTON ,DC o
COMPUTER SERVANTS, INC.       GS-23F-0059S (850)251-4784 TALLAHASSEE ,FL s/w/wo
CONCURRENT TECHNOLOGIES CORPORATION       GS-00F-0072M 814-269-6576 JOHNSTOWN ,PA o
COOPER ZIETZ ENGINEERS, INC       GS-10F-0337T 503-253-5429 PORTLAND ,OR s/v/d/h
CORNERSTONE CONCILIUM, INC       GS-00F-0007S (415)705-7800 SAN FRANCISCO ,CA s/d
CORNERSTONE SIGNALS & CYBER TECHNOLOGIES LLC       47QRAA19D0003 720-206-6718 CHRISTOVAL ,TX s/w/wo/ew/dv/d
CORPORATE ALLOCATION SVCS, INC.       GS-10F-0311U 303-920-7264 WESTMINSTER ,CO s/w/d/8a
CORTINA SOLUTIONS, LLC       GS-00F-205DA 2563192024 HUNTSVILLE ,AL s/w/wo/ew/h
CRAFT DESIGNS, INC.       47QRAA18D00A3 2566500536 HUNTSVILLE ,AL s/w/wo/d
CRAIG TECHNICAL CONSULTING, INC.       GS-00F-040GA 321-613-5620 MERRITT ISLAND ,FL s/w/wo/ew/dv/d
CREDENCE MANAGEMENT SOLUTIONS LIMITED LIABILITY COMPANY       GS-10F-0432Y 571-395-8820 VIENNA ,VA s/d/8a
CROSSTEK SOLUTIONS, LLC       GS-00F-230GA 334-467-6860 VICKSBURG ,MS s
CROWN CONSULTING, INC.       GS-00F-038DA 703-650-0663 ARLINGTON ,VA o
CRUZ ASSOCIATES INC.       GS-10F-0379U 7578337538 YORKTOWN ,VA s
CSRA LLC       GS-00F-313CA (571) 446-5340 FALLS CHURCH ,VA o
CULMEN INTERNATIONAL, LLC       47QRAA18D006D 703-224-7000 ALEXANDRIA ,VA o
CZERO, INC.       GS-10F-0081X 9703722732 FORT COLLINS ,CO s
D P ASSOCIATES, INC.       GS-10F-0361U 256-837-8300 HUNTSVILLE ,AL s/w/wo/ew/d
D&G SUPPORT SERVICES, LLC       GS-00F-131DA 7034033463 WOODBRIDGE ,VA s/dv
DAMA CONSULTANTS, INC       47QRAA19D0037 (815)979-4407 CHICAGO ,IL s/d/8a/h    
DAVIDSON TECHNOLOGIES, INC.       GS-23F-0082L 256-489-0423 HUNTSVILLE ,AL s/w/wo
DCS CORPORATION       GS-23F-0303K (571)227-6192 ALEXANDRIA ,VA s  
DCS-MILLENNIUM LLC       47QRAA18D0038 571-227-6211 ALEXANDRIA ,VA s/dv/d
DECIBEL RESEARCH, INC       GS-10F-0029Y 256-489-6193 HUNTSVILLE ,AL s
DECISIVE ANALYTICS CORPORATION       GS-00F-129CA 703-414-5016 ARLINGTON ,VA s/v
DEFENSE ACQUISITION, INC       GS-23F-0037S 256-327-9369 HUNTSVILLE ,AL s/dv
DEFENSE ENTERPRISE SOLUTIONS, LLC       GS-00F-243GA 2564266335 HUNTSVILLE ,AL s/dv
DEFENSE GROUP LLC       GS-00F-0013R 5714218341 VIENNA ,VA o
DEFTEC CORPORATION       47QRAA18D00FY 908-295-7426 HUNTSVILLE ,AL s/w/wo/ew/d
DELOITTE CONSULTING LLP       47QRAA18D001P 703-251-1642 ARLINGTON ,VA o
DELOITTE CONSULTING LLP       GS-00F-0028Y 703-251-1642 ARLINGTON ,VA o
DELTA RESEARCH, INC.       GS-10F-0246V 256-895-0881 HUNTSVILLE ,AL s
DELTA RESOURCES, INC.       GS-10F-0255S 703-581-4164 ALEXANDRIA ,VA o
DELTA SOLUTIONS & STRATEGIES, LLC       GS-00F-215CA 719-475-0605 COLORADO SPRINGS ,CO s/dv
DELTASTRAC LLC       47QRAA18D00FE 301-337-0523 CLARKSBURG ,MD s/dv/d/8a
DESE RESEARCH, INC.       47QRAA19D00CQ 2568378004 HUNTSVILLE ,AL s
DESE RESEARCH, INC.       GS-23F-0177L 256-837-8004 HUNTSVILLE ,AL s
DESIGN INTERACTIVE INC       GS-00F-0015Y (407)706-0977 ORLANDO ,FL s/w/wo  
DETROIT DESIGN ENGINEERING LLC       GS-00F-295GA (248)585-0770 TROY ,MI s/d    
DIGIFLIGHT INCORPORATED       GS-00F-195GA 4103120662 COLUMBIA ,MD s/v/d
DIGITAL MOBILIZATIONS, INC.       47QRAA19D00BP (540)219-9222 WARRENTON ,VA s/d    
DOMAIN X TECHNOLOGIES LLC       47QRAA18D0069 (703)579-1969 FALLS CHURCH ,VA s/w/wo    
DPRA INCORPORATED       47QRAA19D003T (785)564-6041 KNOXVILLE ,TN s
DPRA INCORPORATED       GS-00F-0030L 785-564-6041 KNOXVILLE ,TN s
DRS GLOBAL ENTERPRISE SOLUTIONS, INC.       GS-00F-294CA 703-896-7100 DULLES ,VA o
DUCOM, INCORPORATED       GS-23F-0307K 301-585-0900 SILVER SPRING ,MD s/w/wo/d
DYNAMIC-PRO INC.       GS-10F-0329X 703-665-5085 FALLS CHURCH ,VA s/w/wo/ew/d/8a
DYNAMIS, INC.       GS-00F-115DA 703-465-4400 FAIRFAX ,VA s
DYNETICS, INC.       GS-00F-045CA 256-713-5320 HUNTSVILLE ,AL o
EAGLE SYSTEMS INCORPORATED       GS-23F-0213K 3018632453 CALIFORNIA ,MD s/v
EASTERN RESEARCH GROUP, INC.       GS-00F-079CA 7816747200 LEXINGTON ,MA o
ECS FEDERAL, INC.       GS-00F-072CA 703 270 1540 FAIRFAX ,VA o
EDGESOURCE CORPORATION       47QRAA18D004S 7038370550 ALEXANDRIA ,VA s
EMERGENT SPACE TECHNOLOGIES, INC.       GS-00F-196DA 301-345-1535 LAUREL ,MD s
ENERGETICS INCORPORATED       GS-00F-147CA 410-953-6274 COLUMBIA ,MD o
ENERGY RESEARCH, INC.       GS-23F-0110M 301-881-0866 ROCKVILLE ,MD s
ENGENIUSMICRO, LLC       47QRAA19D004K 2562611260X124 HUNTSVILLE ,AL s/h
ENGILITY CORPORATION       GS-00F-092CA 703-984-5052 ANDOVER ,MA o
ENGINEERED RESOURCES, L.L.C.       GS-10F-0239T (706) 823-9220 FORT MYERS ,FL s/w/wo/d
ENGINEERING AND INFORMATION TECHNOLOGY INC.       GS-00F-0062N 609-272-1515 EGG HARBOR TOWNSHIP ,NJ s/w/wo
ENGINEERING RESEARCH AND CONSULTING, INC.       GS-23F-0116L 256-327-9162 HUNTSVILLE ,AL s
ENGINEERING SOLUTIONS & PRODUCTS LLC       GS-10F-0008V 571-375-1426 CHANTILLY ,VA o
ENRGIES, INC       GS-10F-0136T 256-683-3367 HUNTSVILLE ,AL s/dv
ENTERPRISE INFORMATION SERVICES, INCORPORATED       GS-00F-182CA 7037525527 VIENNA ,VA o
EPSILON SYSTEMS SOLUTIONS, INC.       GS-00F-0035N 619-702-1700 SAN DIEGO ,CA o
ESCIENCE AND TECHNOLOGY SOLUTIONS, INCORPORATED       GS-00F-124GA 301-429-0005 x106 NORTH CHARLESTON ,SC s/d/8a  
EXCELLENCE ENGINEERING, LLC       GS-00F-403GA 918-298-5500 TULSA ,OK s/w/wo/d/h
EXOSTRATEGIES, INC.       GS-10F-0007V 719-649-4414 COLORADO SPRINGS ,CO s
EXPONENT, INC.       GS-23F-0390K 650-326-9400 MENLO PARK ,CA o
FALCONA MANAGEMENT & TECHNOLOGY, L L C       GS-00F-272CA 210-704-1486 SAN ANTONIO ,TX s/d/8a
FIELD MANAGEMENT SERVICES, INC.       47QRAA20D000W (212)628-6860 LOS ANGELES ,CA s    
FOXHOLE TECHNOLOGY, INC.       GS-00F-035GA (703) 291-8354 FAIRFAX ,VA s/dv
FREEDOM TECHNOLOGIES INC       GS-00F-013CA 301-802-6897 ARLINGTON ,VA s/w/wo
FTS INTERNATIONAL, LLC       47QRAA19D0064 703-225-7660 DULLES ,VA s
G2 OPS, INC.       47QRAA18D0002 757-373-7368 VIRGINIA BEACH ,VA s/w/wo/ew/d
GAN CORPORATION       GS-10F-0085U 1-256-489-2471 HUNTSVILLE ,AL s
GAUSS MANAGEMENT RESEARCH AND ENGINEERING, INC.       GS-10F-0028W 385-205-6872 SOUTH OGDEN ,UT s/v
GBL SYSTEMS CORPORATION       47QRAA19D007F 805-987-4345 CAMARILLO ,CA s
GEM TECHNOLOGY INTERNATIONAL, CORP.       GS-00F-0001R 305.447.1344 MIAMI ,FL s/w/wo/ew/d
GEMINI INDUSTRIES INC.       GS-00F-279CA 781-203-0100 BURLINGTON ,MA s/w/wo
GENCO SYSTEMS, INC.       GS-23F-0019P 703-234-5261 HERNDON ,VA s/d/8a
GENERAL DYNAMICS INFORMATION TECHNOLOGY, INC.       GS-00F-057CA 401-845-3658 FAIRFAX ,VA o
GENERAL INFOMATICS-A SERVICE DISABLED OWNED VETERAN BUSINESS, INC.       47QRAA18D002D 7036505119 MCLEAN ,VA s/dv/d
GENERAL TECHNICAL SERVICES L.L.C.       47QRAA19D006Y 732-280-2022 WALL TOWNSHIP ,NJ s/w/wo
GENESIS ENGINEERING SOLUTIONS, INC.       GS-23F-0345K 301-552-0101 LANHAM ,MD s/d
GENEX SYSTEMS LLC       GS-00F-076GA 757-838-5065 NEWPORT NEWS ,VA s/w/wo/d
GEOCONTROL SYSTEMS, INC.       GS-00F-115GA 281-451-4081 HOUSTON ,TX s/w/wo/ew/d/h
GEOGRAPHIC INFORMATION SERVICES, INC.       47QRAA19D00BD 2057255802 BIRMINGHAM ,AL o
GEORGE CONSULTING, LTD.       GS-00F-384GA 843-471-1322 DANIEL ISLAND ,SC s
GEORGIA TECH APPLIED RESEARCH CORPORATION       GS-10F-0187T 404.894.6923 ATLANTA ,GA o
GILBANE BUILDING COMPANY       GS-23F-0024R 703-312-7246 PROVIDENCE ,RI o
GLEASON RESEARCH ASSOCIATES INCORPORATED       GS-23F-0253M 2568837000 HUNTSVILLE ,AL s
GLOBAL C2 INTEGRATION TECHNOLOGIES LLC       47QRAA18D0067 702-333-2345 LAS VEGAS ,NV s/dv
GLOBAL ENGINEERING & TECHNOLOGY, INC.       47QRAA18D000R (305) 648-1102 MIAMI ,FL s/d
GLOBAL SCIENCE & TECHNOLOGY, INC.       GS-23F-0050L 301-474-9696 GREENBELT ,MD s/d
GLOBAL SYSTEMS TECHNOLOGIES, INC.       GS-10F-0461Y 215-579-8200 MORRISVILLE ,PA s
GOLDBELT C6, LLC       47QRAA19D00CS (757)550-2121 CHESAPEAKE ,VA s/d/8a    
GP STRATEGIES CORPORATION       GS-00F-0039N 443-367-9611 COLUMBIA ,MD o
GRAFTON-HILL, INCORPORATED       GS-00F-082DA (760) 576-9516 SPRINGFIELD ,VA s/v
GREENTREE GROUP, INC. THE       GS-00F-180CA 937-490-5512 DAYTON ,OH s
GROUP W INC.       GS-00F-069GA 703-752-5850 VIENNA ,VA s
GROVE RESOURCE SOLUTIONS, INC.       GS-10F-0502X 240-236-0800 FREDERICK ,MD o
GRYPHON TECHNOLOGIES, L.C.       GS-10F-0284Y 757.408.5673 WASHINGTON ,DC o
GSI ENVIRONMENTAL INC.       47QRAA18D009N 512-346-4474 HOUSTON ,TX o
HAMILTON SUNDSTRAND SPACE SYSTEMS INTERNATIONAL, INC.       GS-10F-0439X 281.336.6353 HOUSTON ,TX o
HARRIS CORPORATION       GS-23F-0058M 321-729-2629 PALM BAY ,FL o
HASSETT & WILLIS ASSOCIATES, LLC       GS-10F-0156U 202-290-1911 WASHINGTON ,DC o
HATCH, JOHN M       47QRAA18D001M (425)466-0744 ARLINGTON ,TX s
HDR ENGINEERING, INC.       GS-00F-152CA 303-754-4252 OMAHA ,NE o
HEBCO, INC.       47QRAA18D00F2 405-672-1461 OKLAHOMA CITY ,OK s/d
HEERY INTERNATIONAL, INC.       47QRAA19D00AP (404)946-2432 ATLANTA ,GA o
HEERY INTERNATIONAL, INC.       GS-23F-0168K 404-946-2432 ATLANTA ,GA o
HIGHERECHELON, INC.       GS-00F-164GA 2567631931 HUNTSVILLE ,AL s/dv
HII MISSION DRIVEN INNOVATIVE SOLUTIONS INC.       GS-00F-020CA 703-539-3068 HUNTSVILLE ,AL o
HILL INTERNATIONAL, INC.       GS-23F-0035P 202-408-3030 WASHINGTON ,DC o
HILL TECHNICAL SOLUTIONS, INC.       47QRAA18D0056 256-970-1258 HUNTSVILLE ,AL s/w/wo/h
HODGES TRANSPORTATION, INC.       GS-23F-0062M 7756292000 SILVER SPRINGS ,NV s/h
HOLMES-TUCKER INTERNATIONAL, INC.       GS-10F-0258T 2408958119 LEXINGTON PARK ,MD s/v
HUKARIASCENDENT, INC.       GS-10F-029CA (720)833-4161 WHEAT RIDGE ,CO o  
HUMANPROOF, LLC       47QRAA18D009H 703-848-7937 ALEXANDRIA ,VA s
HX5,, LLC       GS-00F-225GA 8503626551 FORT WALTON BEACH ,FL s/w/wo/dv/d
HYPERSOFT INC       GS-23F-0165P 636-947-8862, EXT.2 SAINT CHARLES ,MO s/w/wo
IAI, LLC       GS-23F-0076M 703-674-3112 CHANTILLY ,VA s/v
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 310-982-0302 EL SEGUNDO ,CA s/w/wo/d
IGNITE FUELING INNOVATION, INC.       GS-10F-0107V 256-270-9023 HUNTSVILLE ,AL s/dv/d
INDYNE, INC.       GS-23F-0096L 805-606-5954 STERLING ,VA o
INFORMATION AND INFRASTRUCTURE TECHNOLOGIES, INC.       GS-00F-031CA 703-478-7658 HERNDON ,VA s/v
INFORMATION SYSTEMS LABORATORIES, INC.       GS-23F-0060L 858-373-2717 VIENNA ,VA s
INNOVATIVE CONSULTING & MANAGEMENT SERVICES, LLC       47QRAA19D000D 3014444100 ROCKVILLE ,MD s/d/8a/h
INNOVE LLC       GS-10F-202AA 210446-4501 SAN ANTONIO ,TX s/v/d
INTEGRATED SOLUTIONS FOR SYSTEMS, INC.       GS-00F-378GA 2566566684 HUNTSVILLE ,AL s
INTEGRATION INNOVATION, INC.       GS-00F-210CA 256-270-4872 HUNTSVILLE ,AL s
INTEK INC.       GS-00F-089GA 7034652200 ARLINGTON ,VA s
INTERNATIONAL TRADE BRIDGE, INC.       GS-10F-078BA 9374311900 DAYTON ,OH s
INTREPID, L.L.C.       GS-10F-014AA 256-705-6848 HUNTSVILLE ,AL s
INTUITIVE RESEARCH AND TECHNOLOGY CORPORATION       GS-23F-0343N 2569229300 HUNTSVILLE ,AL o
INVICTUS INTERNATIONAL CONSULTING, LLC       47QRAA19D00C0 (703)647-2727 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 s/dv
ISHPI INFORMATION TECHNOLOGIES, INC.       47QRAA18D003S 8433526868 MOUNT PLEASANT ,SC o
ISPA TECHNOLOGY, LLC       GS-00F-232GA 703-822-1862 LITHIA ,FL s
ISSAC CORP       GS-10F-0233Y (719)325-9033 COLORADO SPRINGS ,CO s/dv  
ITSC SECURE SOLUTIONS, LLC       GS-00F-065GA 559-719-8040 FALLS CHURCH ,VA s/w/wo/h
JACKSON AND TULL, CHARTERED ENGINEERS       47QRAA18D00DJ 2405537005 WASHINGTON ,DC s/d
JACOBS ENGINEERING GROUP INC.       GS-00F-0025M (314)335-4144 ARLINGTON ,VA o  
JACOBS TECHNOLOGY INC.       GS-00F-038CA 931-455-6400 TULLAHOMA ,TN o
JAHN CORP       GS-23F-0193K (301)862-5241 LEXINGTON PARK ,MD s  
JANUS RESEARCH GROUP, INC.       GS-00F-310CA 7063649100 EVANS ,GA o
JARDON & HOWARD TECHNOLOGIES, INCORPORATED       GS-00F-0059M 407-381-7797 ORLANDO ,FL o
JAXON ENGINEERING AND MAINTENANCE, INC.       GS-10F-0447Y 505-983-4881 COLORADO SPRINGS ,CO s/w
JBS SOLUTIONS INC       GS-00F-240GA 256-655-7300 HUNTSVILLE ,AL s/w/wo/ew/d/h
JENSEN HUGHES, INC.       GS-00F-006CA 410-737-8677 BALTIMORE ,MD o
JMA SOLUTIONS LLC       47QRAA18D00GC 202-465-8245 WASHINGTON ,DC o
JMS NAVAL ARCHITECTS, LLC       GS-10F-0181V 860-536-0009 MYSTIC ,CT s/v
JOHN H NORTHROP & ASSOCIATES INC       GS-10F-0168T 8148233648 CLIFTON ,VA s/dv
JOINT RESEARCH AND DEVELOPMENT, INC.       GS-10F-0093T 804-965-1561 STAFFORD ,VA s/dv
JOINT VENTURE SOLUTIONS (JVS) LLC       GS-00F-099GA (443)280-0698 MILLERSVILLE ,MD s/dv  
KBM ENTERPRISES, INC.       GS-23F-0001R 9314689233 HUNTSVILLE ,AL s/w/wo
KBRWYLE TECHNOLOGY SOLUTIONS, LLC       GS-00F-353CA (843)806-6727 COLUMBIA ,MD o  
KELLER-BLIESNER ENGINEERING, LLC       47QRAA18D004Q 435-753-5651 LOGAN ,UT s
KENIFIC GROUP INC, THE       47QRAA19D00C7 571-363-4002 FAIRFAX ,VA s/d
KENJYA-TRUSANT GROUP, LLC, THE       GS-00F-137DA 4107404045 COLUMBIA ,MD s/dv
KENTCO CORPORATION       47QRAA20D000S (571)665-4199 HERNDON ,VA s/dv    
KEYLOGIC SYSTEMS, INC.       GS-00F-315CA 443-539-9062 MORGANTOWN ,WV o
KEYW CORPORATION, THE       GS-00F-001DA 703-889-1392 HANOVER ,MD o
KIHOMAC, INC.       GS-10F-0173T 7193935081 RESTON ,VA s/v/d
KIMLEY-HORN AND ASSOCIATES, INC.       GS-10F-0501X (919) 677-2000 RALEIGH ,NC o
KINETIC METRICS, LLC       47QRAA20D000K (703)772-4088 ALEXANDRIA ,VA s/d    
KNOWESIS, INC.       GS-10F-0165W 703-906-4099 SAN ANTONIO ,TX s/w/wo/ew/dv/d/8a
KODA TECHNOLOGIES INC.       47QRAA19D0081 2564686016 MADISON ,AL s/w/wo/d
KORD TECHNOLOGIES, INC.       GS-10F-0087Y 256-808-7608 HUNTSVILLE ,AL s/w/wo
LANMARK TECHNOLOGY INC.       47QRAA19D006S 571-766-2225 VIENNA ,VA s/w/wo/dv/d
LEE & ASSOCIATES LLC       GS-23F-0275R (256)852-7336 NEW MARKET ,AL s  
LEIDOS INNOVATIONS CORPORATION       GS-00F-242CA 301-452-5781 GAITHERSBURG ,MD o
LEIDOS, INC.       GS-00F-022CA (571) 526-7085 RESTON ,VA o
LEONARDO TECHNOLOGIES, INC.       GS-23F-0231R 7409682222X104 SAINT CLAIRSVILLE ,OH s
LINDAHL REED, INC.       47QRAA18D00GR 541-728-1102 REDMOND ,OR s/w/wo/ew
LINK TECHNOLOGIES INC       GS-00F-216CA 301-983-6878 GERMANTOWN ,MD s/w/wo
LINQUEST CORPORATION       GS-23F-0113S 323-924-1587 LOS ANGELES ,CA o
LJB INC       GS-00F-049CA (937) 259-5146 MIAMISBURG ,OH s
LJT & ASSOCIATES, INC.       GS-10F-0406S 4432832519 COLUMBIA ,MD s
LOCKHEED MARTIN CORPORATION       GS-23F-0150S 610-354-7693 KING OF PRUSSIA ,PA o
LOCKWOOD GROUP LLC, THE       GS-00F-349GA 443-327-7175 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
LOGISTICS MANAGEMENT INSTITUTE       GS-00F-0026M 703-917-7176 MC LEAN ,VA o
LOGISTICS MANAGEMENT INSTITUTE       GS-00F-041GA 703-917-7176 MC LEAN ,VA o
LONGENECKER & ASSOCIATES, INC.       GS-00F-258CA 301-651-6951 LAS VEGAS ,NV s/w/wo
LOUIS BERGER GROUP, INC., THE       47QRAA18D002R 202-303-2613 WASHINGTON ,DC o
LOUIS BERGER GROUP, INC., THE       GS-00F-0004L 202-303-2613 WASHINGTON ,DC o
LYNCH CONSULTANTS, LLC       GS-00F-118DA 540-834-3490 ARLINGTON ,VA s/dv
MACAULAY-BROWN, INC       GS-00F-063CA 937-426-3421 DAYTON ,OH o
MADISON RESEARCH CORPORATION       GS-00F-021CA 2568647310 HUNTSVILLE ,AL o
MANTECH ADVANCED SYSTEMS INTERNATIONAL, INC.       GS-00F-086CA 703-218-6440 HERNDON ,VA o
MANUFACTURING TECHNICAL SOLUTIONS, INC.       GS-00F-0010P 256-890-9090 HUNTSVILLE ,AL o
MANUFACTURING TECHNIQUES, INC.       47QRAA18D00AA 540.658.2720 LORTON ,VA s/w/wo
MARINE DESIGN AND OPERATIONS, INC.       GS-23F-0233S (908)497-0599 COLONIA ,NJ s  
MASON LIVESAY SCIENTIFIC, LLC       47QRAA19D00AJ 865-294-4368 OAK RIDGE ,TN s/w/wo/d
MAYVIN, INC.       GS-10F-0280Y 7037501794 ANNANDALE ,VA s/w/wo
MCCONNELL JONES LANIER & MURPHY LLP       GS-10F-0117U 713-968-1611 HOUSTON ,TX s/d/8a
MCHENRY MANAGEMENT GROUP, INC., THE       GS-10F-0239U 757.410.1839 CHESAPEAKE ,VA s/v
MCR FEDERAL, LLC       GS-00F-123CA 703-506-4600 MCLEAN ,VA s
MEI TECHNOLOGIES, INC.       GS-00F-021DA 281-823-6278 HOUSTON ,TX s/dv
MELE ASSOCIATES, INC.       GS-00F-243CA (240)453-6975 ROCKVILLE ,MD s/v
METRON, INCORPORATED       GS-00F-166DA 703-326-2870 RESTON ,VA s
MICHAEL BAKER GLOBAL SERVICES, LLC       GS-23F-0063L 7036763271 RESTON ,VA o
MICHAEL BAKER INTERNATIONAL, INC.       GS-00F-0032M 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/8a
MILLENNIUM ENGINEERING AND INTEGRATION COMPANY       GS-23F-0252K 7034137765 ARLINGTON ,VA s/v
MINO MARINE, L.L.C.       GS-00F-249GA 504-218-8162 JEFFERSON ,LA s
MISSIONFOCUS LLC       GS-10F-149AA 703-291-6721 ALEXANDRIA ,VA s
MOBIUS CONSULTING, LLC       GS-00F-088GA (571)402-4012 ALEXANDRIA ,VA s/w/wo/ew/h  
MODERN TECHNOLOGY SOLUTIONS, INC.       GS-23F-0033L 703-564-3820 ALEXANDRIA ,VA o
MONTE SANO RESEARCH CORPORATION       47QRAA18D006B 256-705-3567 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 256-704-8149 HUNTSVILLE ,AL s/w/wo
MTI SYSTEMS, INC.       GS-00F-007BA (518)894-2538 GREENBELT ,MD s/w/wo/d  
NANORACKS, LLC       47QRAA18D004R 832-632-7754 WEBSTER ,TX s
NATIONAL TECHNOLOGIES ASSOC INC       GS-00F-183CA 703-941-3695 Ext. 12 CALIFORNIA ,MD o
NAVARRO RESEARCH AND ENGINEERING, INC.       GS-00F-0092N 8652209650 OAK RIDGE ,TN s/w/wo/d
NAVIGATOR DEVELOPMENT GROUP, INC.       GS-00F-0044N 334-347-7612 ENTERPRISE ,AL s/dv
NAVIGATOR INTERNATIONAL, LLC       GS-00F-393GA 334-348-1550 HUNTSVILLE ,AL s/dv
NCI INFORMATION SYSTEMS, INC.       GS-00F-263CA 703-707-6626 RESTON ,VA o
NDI ENGINEERING COMPANY       GS-23F-0161M 856-848-0033 THOROFARE ,NJ s
NELSON ENGINEERING CO.       GS-00F-324CA 3214491128 MERRITT ISLAND ,FL s
NETCENTRIC TECHNOLOGY, LLC       47QRAA19D00AU 732-544-0888 WALL ,NJ s/d
NETWORK SENSING TECHNOLOGIES, LLC       GS-00F-006HA 850-684-0033 X101 FORT WALTON BEACH ,FL s
NEWPORT PARTNERS, THE, LLC       GS-00F-007CA 301-889-0017 DAVIDSONVILLE ,MD s
NEXAGEN NETWORKS INC       GS-00F-066GA 571-247-8129 MORGANVILLE ,NJ s/w/d
NLOGIC, LLC       GS-00F-239CA 256-704-2513 HUNTSVILLE ,AL s
NORTHINGTON CONSULTING, LLC       47QRAA18D0083 2053565000 BIRMINGHAM ,AL s/dv
NORTHROP GRUMMAN SYSTEMS CORPORATION       GS-00F-128CA 703-713-4586 HERNDON ,VA o
NOU SYSTEMS, INC.       GS-00F-143DA 256-327-5541 HUNTSVILLE ,AL s/w/wo
NTA, INC.       GS-10F-0132W 256-880-3510 EXT 101 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 863-604-6166 HUNTSVILLE ,AL s
OCEAN ASSOCIATES, INCORPORATED       GS-10F-0567P 703-388-9548 ARLINGTON ,VA o
OCEANEERING INTERNATIONAL, INC.       GS-00F-165DA 281-228-5302 HOUSTON ,TX o
OCH TECHNOLOGIES, LLC       47QRAA19D005Q 7038643479 LEESBURG ,VA s/d/8a
ODYSSEY SPACE RESEARCH L L C       GS-23F-0382P 281-862-7819 HOUSTON ,TX s/wo
ODYSSEY SYSTEMS CONSULTING GROUP, LTD.       GS-10F-0254U 781-245-0111 WAKEFIELD ,MA o
OLD DOMINION UNIVERSITY RESEARCH FOUNDATION       GS-10F-097CA (202)480-2891 NORFOLK ,VA o  
ONEIDA TOTAL INTEGRATED ENTERPRISES, LLC       GS-00F-0006L 4142574200 MILWAUKEE ,WI s/d/8a
ORBIS SIBRO, INC.       GS-23F-0185N 843-971-9390 X226 CHARLESTON ,SC s/w
ORGANIZATIONAL STRATEGIES, LLC       GS-00F-145GA 703-554-1650 TYSONS ,VA o
OUTREACH PROCESS PARTNERS, LLC       GS-00F-0008W 4435696052 ANNAPOLIS ,MD s/w/wo/ew/d
OVERLOOK SYSTEMS TECHNOLOGIES, INC.       GS-10F-0100T (703)893-1411 VIENNA ,VA s  
P E SYSTEMS, INC.       GS-00F-097CA 703-246-9663 FAIRFAX ,VA s/dv
P3I, INCORPORATED       GS-10F-044AA 330-853-6214 HOPKINTON ,MA s/w/wo/v
PAGNOTTA ENGINEERING INC.       47QRAA19D0016 (859)572-4482 EXTON ,PA s    
PAL SERVICES INC.       GS-00F-065CA 703-608-1546 O FALLON ,MO s/dv
PARSONS GOVERNMENT SERVICES INC.       47QRAA19D000A (210) 477-1616 PASADENA ,CA o
PARSONS GOVERNMENT SERVICES INC.       GS-00F-0005R 210-477-1616 PASADENA ,CA o
PATRONA CORPORATION       47QRAA19D009E 603-294-0205 WASHINGTON ,DC s
PCCI, INC.       47QRAA18D00HE 703-229-1110 ALEXANDRIA ,VA o
PEOPLETEC, INC.       GS-10F-0114T (256)319-3803 HUNTSVILLE ,AL s/w/wo  
PERATON INC.       GS-23F-0190L 301-867-2985 HERNDON ,VA o
PERDUCO GROUP, INC., THE       47QRAA18D000L 3174302218 BEAVERCREEK ,OH s/w/wo
PEREGRINE TECHNICAL SOLUTIONS, LLC       47QRAA18D0016 757-234-6664 YORKTOWN ,VA s/d/8a
PERIKIN ENTERPRISES, LLC       GS-00F-003AA 505-333-0501 ALBUQUERQUE ,NM s/d
PERSPECTA AEROSPACE & DEFENSE INC.       GS-23F-0207P 256-971-7920 HUNTSVILLE ,AL o
PHOENIX GROUP OF VIRGINIA, INC.       GS-00F-238CA 757-228-1730 EXT 303 CHESAPEAKE ,VA s/dv
PIONEER TECHNOLOGIES CORPORATION       GS-10F-0358T 702-932-7690 NICEVILLE ,FL s/v
POTOMACWAVE CONSULTING, INC.       GS-00F-0007X 703-997-6066 ALEXANDRIA ,VA s/w/wo/ew
PPT SOLUTIONS, INC.       GS-00F-422GA 2563190423 HUNTSVILLE ,AL s
PREFERRED PROGRAM SOLUTIONS INC       47QRAA18D009S 256-350-5983 MADISON ,AL s/dv
PRESCIENT EDGE CORPORATION       47QRAA18D00CU 571-341-8031 MC LEAN ,VA s/v
PRETALEN LTD       GS-00F-229GA 4196595914 DAYTON ,OH s/w/wo/d
PRIMAL INNOVATION, LLC       GS-10F-049CA (407)697-3161 LAKE MARY ,FL s/dv  
PRKK, L.L.C.       47QRAA18D006N 3032463377 STUART ,FL s
PRODUCTIVITY APEX, INC.       GS-10F-0266U (407) 384-0800 WINTER PARK ,FL s/w/wo/d/8a
PROFESSIONAL PROJECT SERVICES, INC.       GS-00F-112CA 865-220-4377 OAK RIDGE ,TN o
PROJECT ENHANCEMENT CORPORATION       GS-00F-0004T 240-686-3059 GERMANTOWN ,MD s
PROJECT SUPPORT SERVICES, INC.       GS-00F-108CA 202-327-1119 SUMMERFIELD ,FL o
PROMODEL CORPORATION       GS-00F-421GA 845-499-3582 OREM ,UT s
PROTECTION STRATEGIES INCORPORATED       47QRAA18D0049 8652945101 OAK RIDGE ,TN s/dv
PURVIS SYSTEMS INCORPORATED       GS-10F-0191X 401-845-8401 QUEENS VILLAGE ,NY s
QED SYSTEMS LLC       47QRAA18D00A9 4433604504 ABERDEEN PROVING GR ,MD s
QTEC, INC       GS-23F-0255M 256 8837994 X 101 HUNTSVILLE ,AL s/wo
QUALIS CORPORATION       GS-10F-0025U 256-327-3449 HUNTSVILLE ,AL s/w/d
QUANTECH SERVICES INC.       GS-00F-282CA 781-457-0331 LEXINGTON ,MA o
QUANTITATIVE SCIENTIFIC SOLUTIONS, LLC       47QRAA19D004D 703-468-1277 ARLINGTON ,VA s
QUANTITECH INC       GS-23F-0320N 2567990669 HUNTSVILLE ,AL o
QUANTUM RESEARCH INTERNATIONAL, INC.       47QRAA19D00A9 (256)971-1800 HUNTSVILLE ,AL s    
QUANTUM RESEARCH INTERNATIONAL, INC.       GS-23F-0064K 256-971-1800 HUNTSVILLE ,AL s
QUASARS INCORPORATED       GS-00F-106GA (202) 863-4431 ELLICOTT CITY ,MD s/w/wo
R2C LIMITED LIABILITY COMPANY       GS-00F-306GA 256-799-2363 HUNTSVILLE ,AL s/dv
RADIANCE TECHNOLOGIES, INC.       47QRAA19D008B 256-489-8960 HUNTSVILLE ,AL s
RADIANCE TECHNOLOGIES, INC.       GS-23F-0147L 256-489-8966 HUNTSVILLE ,AL s
RADIANTBLUE TECHNOLOGIES, INC.       GS-10F-0046V 571-521-8840 COLORADO SPRINGS ,CO o
RAYTHEON COMPANY       GS-00F-177CA (571) 250-1082 WALTHAM ,MA o
RE/SPEC INC.       GS-00F-0078N 6053946400 RAPID CITY ,SD o
RED CANYON SOFTWARE, INC       GS-00F-044GA 3038640556 DENVER ,CO s/v/h
RED GATE GROUP, LIMITED, THE       GS-10F-0262X 7036572777 CHANTILLY ,VA s/dv
REDHORSE CORPORATION       GS-00F-0013Y 619-241-4609 SAN DIEGO ,CA s/dv/d/8a
REHANCEMENT GROUP, INC., THE       GS-10F-0049X 5714824736 RESTON ,VA s
RESEARCH TRIANGLE INSTITUTE       GS-00F-354CA 919-541-6634 RESEARCH TRIANGLE P ,NC o
RICARDO DEFENSE, INC.       GS-10F-0212T 805-882-1884 X110 GOLETA ,CA s
RIVERSIDE RESEARCH INSTITUTE       47QRAA19D00CN 937-427-7009 NEW YORK ,NY o
RIVERSIDE RESEARCH INSTITUTE       GS-23F-0134L 212-502-1724 NEW YORK ,NY o
RIVERSIDE TECHNOLOGY, INC.       GS-00F-0026P 9702149419 FORT COLLINS ,CO o
ROBERT AND COMPANY       GS-00F-210GA 4045774000 ATLANTA ,GA s/dv
ROCKWOOD COMPANY LLC       47QRAA18D0018 202-841-6634 WASHINGTON ,DC s/w/wo
ROUNDTABLE DEFENSE, LLC       GS-10F-0231Y 5403188247 FREDERICKSBURG ,VA s/dv
S2 ANALYTICAL SOLUTIONS, LLC       47QRAA19D006L 571-306-0715 HERNDON ,VA s/v
S5 SOLUTIONS, INC.       47QRAA19D00CT (425)232-6277 MUKILTEO ,WA s    
SA TECHNICAL SERVICES, INC.       47QRAA19D00BL (850)613-6085 NICEVILLE ,FL s/dv
SAALEX CORP       GS-00F-110DA 4789229220 CAMARILLO ,CA s/dv/d
SABRE SYSTEMS, INC.       GS-00F-178CA 215-957-5222 WARRINGTON ,PA o
SAYRES AND ASSOCIATES CORPORATION       GS-00F-027CA 202-355-0922 WASHINGTON ,DC s/dv
SCHAFER GOVERNMENT SERVICES, LLC       47QRAA19D0021 7035166752 ARLINGTON ,VA o
SCHAFER GOVERNMENT SERVICES, LLC       GS-23F-0176L 703-516-6044 ARLINGTON ,VA o
SCIENCE AND TECHNOLOGY ASSOCIATES, INC.       47QRAA19D0082 703-522-5123 ARLINGTON ,VA s
SCIENCE AND TECHNOLOGY CORPORATION       GS-23F-0184L 757-766-5819 HAMPTON ,VA s
SCIENCE APPLICATIONS INTERNATIONAL CORPORATION       GS-00F-002CA 757.470.2828 RESTON ,VA o
SCIENCE SYSTEMS AND APPLICATIONS, INC.       GS-23F-0102N 301-867-2122 LANHAM ,MD s
SCIENTIFIC & BIOMEDICAL MICROSYSTEMS, LLC       GS-10F-0497X (410) 766-4700 GLEN BURNIE ,MD s/w
SCIENTIFIC RESEARCH CORPORATION       GS-23F-0125L 770-989-9466 ATLANTA ,GA o
SCITECH SERVICES, INC. GS-02F-0259X (443) 303-3249 HAVRE DE GRACE ,MD s
SDS INTERNATIONAL, INC.       GS-00F-0077M 703-553-7533 FREDERICKSBURG ,VA s/dv
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
SENTAR, INC.       GS-10F-095AA 256-430-0860 HUNTSVILLE ,AL s/w/wo
SERCO INC.       GS-00F-193CA 703.939.6671 HERNDON ,VA o
SETTY & ASSOCIATES, LTD.       GS-23F-0111S 703-691-2115 FAIRFAX ,VA s/d
SEVATEC INC.       GS-10F-0142W 703-961-1818, EXT. 1 FAIRFAX ,VA o
SGT, LLC       47QRAA18D009P (301) 486-3178 GREENBELT ,MD o
SHARMA & ASSOCIATES INC       GS-10F-0027T 708-588-9871 HINSDALE ,IL s/d
SIGMA SCIENCE, INC.       47QRAA18D005Q 505-389-2205 ALBUQUERQUE ,NM s/d/8a
SIGMA SPACE LLC       GS-00F-175GA 301-552-6027 LANHAM ,MD o
SIGMATECH, INC.       GS-00F-060CA 256-319-9212 HUNTSVILLE ,AL s
SIGNALINK, INC       GS-00F-038GA 2567156744 MADISON ,AL s/w/wo/v
SIGNATURE SCIENCE, LLC       GS-00F-105CA (512) 533-2030 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
SKJEI TELECOM, INC.       GS-23F-0286P 703-597-3760 FALLS CHURCH ,VA s
SOBRAN, INC.       GS-00F-220CA 703-352-9511 DAYTON ,OH o
SOLERS INC.       47QRAA19D001B 7035260001 ARLINGTON ,VA s
SONALYSTS, INC.       GS-00F-351CA 860-326-3652 WATERFORD ,CT o
SOUTHERN RESEARCH INSTITUTE       GS-10F-0185Y 2055812873 BIRMINGHAM ,AL o
SOUTHWEST RESEARCH INSTITUTE       GS-23F-0006M 210-522-2238 SAN ANTONIO ,TX o
SPECIAL AEROSPACE SERVICES       GS-10F-0456X 3036251010 BOULDER ,CO s/w/wo/ew/d/8a
SPECTRUM COMM INC.       GS-00F-318CA 7572247500 NEWPORT NEWS ,VA s/v
SPECTRUM INC       47QRAA18D00F5 865-806-7577 OAK RIDGE ,TN s/v/d
SPECTRUM INC       GS-23F-0421K 865-425-9744 OAK RIDGE ,TN s/v/d
SRA INTERNATIONAL, INC.       GS-00F-256CA 571.446.4017 CHANTILLY ,VA o
SRC, INC.       47QRAA19D005N 315-452-8594 NORTH SYRACUSE ,NY o
SRC, INC.       GS-00F-0019L 315-452-8594 NORTH SYRACUSE ,NY o
STANTEC CONSULTING SERVICES INC.       47QRAA19D000Q 916-418-8338 BROOMFIELD ,CO o
STANTEC CONSULTING SERVICES INC.       GS-00F-0040L 615-238-2733 BROOMFIELD ,CO o
STANTON ENGINEERING SERVICES LLC       47QRAA18D0078 410-290-9301 COLUMBIA ,MD s
STARGATES, INC.       GS-00F-0033Y 703-465-7955 ARLINGTON ,VA s/w/wo/ew
STELLAR SOLUTIONS, INC.       47QRAA18D00FQ 650-473-9866 PALO ALTO ,CA o
STELLAR SOLUTIONS, INC.       GS-23F-0225K 703-657-2734 PALO ALTO ,CA s/w/wo
STG, INC.       GS-00F-234CA 7036912480 RESTON ,VA o
STRATA G, LLC       GS-00F-004CA 8659343400 KNOXVILLE ,TN o
STRATA-G SOLUTIONS, INC.       GS-10F-0287W 2567054316 HUNTSVILLE ,AL s
STRATEGIC ALLIANCE BUSINESS GROUP LLC       GS-10F-0316P 7032865026 FAIRFAX ,VA s/w/wo/ew/dv
STRATEGIC ALLIANCE CONSULTING INC.       GS-00F-372GA 703-224-8880 WARRENTON ,VA s/dv
STRATEGIC ANALYSIS, INC.       GS-00F-342CA (703) 527-5410 ARLINGTON ,VA o
STRATEGIC MANAGEMENT SOLUTIONS, LLC       47QRAA19D008M (505)975-5201 ALBUQUERQUE ,NM s    
STRATEGIC TECHNOLOGY INSTITUTE INC       GS-00F-164CA 3017707077 ROCKVILLE ,MD s/d
SUMARIA SYSTEMS, INC.       GS-00F-197CA 978-739-4200 DANVERS ,MA s
SUMMIT TECHNICAL SOLUTIONS LLC       GS-10F-0347T (719)309-6312 COLORADO SPRINGS ,CO s/w/wo/v  
SURVICE ENGINEERING COMPANY, LLC, THE       GS-23F-0012M 410-273-7722 BELCAMP ,MD o
SYMVIONICS, INC       GS-23F-0357N 6263051400 ARCADIA ,CA s
SYNEREN TECHNOLOGIES, CORPORATION       47QRAA18D005W 3018300529 ARLINGTON ,VA s/w/wo/ew/d
SYNERGISTICS, INC.       47QRAA19D000Y (800) 875-7921 RICHLAND ,WA s/d
SYNERGY BUSINESS INNOVATION & SOLUTIONS INC.       47QRAA19D0042 571-375-7723 RESTON ,VA s/d/8a
SYNTEK TECHNOLOGIES INC.       GS-23F-0370K 703-522-1025 FAIRFAX ,VA s/w/wo
SYSTEM DYNAMICS INTERNATIONAL INCORPORATED       GS-23F-0033P 256-895-7153 HUNTSVILLE ,AL s/w/wo
SYSTEM STUDIES & SIMULATION, INC       47QRAA19D005Y 256-539-1700 X1117 HUNTSVILLE ,AL s/w/wo
SYSTEM STUDIES & SIMULATION, INC       GS-00F-0037P 256-539-1700 X124 HUNTSVILLE ,AL s/w/wo
SYSTEMATIC MANAGEMENT SERVICES, INC.       GS-00F-241CA 3013530072 FREDERICK ,MD s
SYSTEMS ENGINEERING ASSOCIATES INC       GS-23F-0117P 310-787-9800 TORRANCE ,CA s
SYSTEMS KINETICS INTEGRATION       GS-00F-288CA 4435347723 MARSTONS MILLS ,MA s/dv
SYSTEMS PLANNING AND ANALYSIS, INC.       GS-00F-186CA 703-399-7017 ALEXANDRIA ,VA o
SYSTEMS PRODUCTS AND SOLUTIONS, INC.       GS-00F-137CA 2563827719 HUNTSVILLE ,AL s/w/wo
SYSTEMS TECHNOLOGIES, INC.       GS-00F-0002U 732-571-6400 WEST LONG BRANCH ,NJ o
SYSTEMS TECHNOLOGY FORUM, LTD.       GS-00F-148CA 540.899.3536 FREDERICKSBURG ,VA s/v
TAURI GROUP, INC., THE       GS-00F-0006V 571-303-2153 ALEXANDRIA ,VA o
TD&S ASSOCIATES, INCORPORATED       47QRAA19D008A (703)625-3293 STATE COLLEGE ,PA s    
TEAMWORKNET, INC       GS-23F-0182R 8633271080 LAKELAND ,FL s
TEC-MASTERS INC.       GS-00F-0004X 256-721-6619 HUNTSVILLE ,AL s/d
TECHFLOW, INC.       GS-10F-005AA 858-412-8004 SAN DIEGO ,CA o
TECHNI-CORE ENGINEERING INC       GS-00F-0036M (256) 704-0234 X216 HUNTSVILLE ,AL s/w/wo
TECHNOLOGY ASSOCIATES, INC.       GS-00F-020GA (504)282-6166 NEW ORLEANS ,LA s/d    
TECHNOLOGY SECURITY ASSOCIATES, INC.       GS-00F-171GA 301-866-0295 X330 CALIFORNIA ,MD s/dv
TECHNOLOGY SERVICE CORPORATION       GS-23F-0240S (301)565-0673 ARLINGTON ,VA o  
TECHNOMICS, INC.       GS-00F-103DA 571-366-1428 ARLINGTON ,VA s
TECHSOURCE, INC.       GS-00F-003DA 5059881726 LOS ALAMOS ,NM s
TECOLOTE RESEARCH, INC.       GS-00F-052CA 8055716366 GOLETA ,CA s
TEKLA RESEARCH, INC.       GS-10F-073AA 7034922620 FREDERICKSBURG ,VA s/dv
TESLA LABORATORIES INC.       GS-23F-0208S 571.303.9483 ARLINGTON ,VA s/dv/d
TETRA TECH, INC.       GS-00F-168CA 8056813102 PASADENA ,CA o
THOMPSON GRAY, INC.       GS-00F-097DA 2565821414 HUNTSVILLE ,AL o
TIAX LLC       GS-23F-0064L (781)879-1286 LEXINGTON ,MA s  
TIGER INNOVATIONS, INC.       GS-00F-139GA (703)435-2980 ARLINGTON ,VA s  
TIME SOLUTIONS, LLC       GS-00F-145CA 7575495707 CHESAPEAKE ,VA s/d/8a
TM CAPTURE SERVICES, LLC       47QRAA19D001Z 9374262596 BEAVERCREEK ,OH s/w/wo/ew/d/8a
TOLLIVER GROUP, INC., THE       GS-00F-0013W 407-718-1847 WINTER PARK ,FL s/dv
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
TRAX INTERNATIONAL CORPORATION       47QRAA19D0072 702-216-4457 LAS VEGAS ,NV o
TRIDENT TECHNOLOGIES, LLC       GS-23F-0157P 256-705-5449 HUNTSVILLE ,AL s/w/wo
TRIDENTIS, PLLC       GS-10F-0462Y 5712430870 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 256-898-3430 HUNTSVILLE ,AL s
TRUSTED KNOWLEDGE OPTIONS INC.       47QRAA18D007U 703-483-0429 LEESBURG ,VA s/v
TSM CORPORATION       GS-00F-284CA 4077308617 RESTON ,VA o
TUBA GROUP, INC.       GS-00F-222CA 7034179410 FALLS CHURCH ,VA s/d/8a
UNIFIED BUSINESS TECHNOLOGIES, INC.       GS-10F-0230X 248-588-1781 TROY ,MI s/w/wo/ew/d
UNIVERSAL CONSULTING SERVICES, INC       GS-00F-019CA 703-591-5100 FAIRFAX ,VA o
UNIVERSAL SOLUTIONS INTERNATIONAL, INCORPORATED       47QRAA19D002G (757) 563-3846 NEWPORT NEWS ,VA o
UNIVERSAL TECHNICAL RESOURCE SERVICES, INC.       47QRAA19D009N 856-438-1114 CHERRY HILL ,NJ o
UNIVERSAL TECHNICAL RESOURCE SERVICES, INC.       GS-00F-0086M 856-667-6770 CHERRY HILL ,NJ s
UNIVERSAL TECHNOLOGY CORPORATION       GS-23F-0240L 937-426-2808 DAYTON ,OH s
UNIVERSITY OF DAYTON       GS-23F-0143R 937-229-2919 DAYTON ,OH o
URS GROUP, INC.       GS-00F-188CA 210-253-7531 SAN ANTONIO ,TX o
USFALCON, INC.       GS-00F-322GA 9194591955 CARY ,NC s/dv
UTAH STATE UNIVERSITY RESEARCH FOUNDATION       GS-23F-0046P 435-713-3060 NORTH LOGAN ,UT o
VALKYRIE ENTERPRISES, LLC       47QRAA18D00DP 7579622545 VIRGINIA BEACH ,VA o
VANA SOLUTIONS LLC       47QRAA18D00E2 (937)242-6399 BEAVERCREEK ,OH s/w/wo/ew/d    
VANGUARD RESEARCH, INC.       GS-23F-0210K (703)416-0400 SPRINGFIELD ,VA s  
VANTAGE SYSTEMS, INC.       GS-00F-313GA (301)459-6007 LANHAM ,MD o    
VAULTES, LLC       47QRAA19D00B1 202-503-9128 ASHBURN ,VA s/v/d
VECTOR RESOURCE, INC       GS-00F-0004U 703-615-1041 ENGLEWOOD ,FL s/w
VENTURI, LLC       GS-00F-044CA 256-705-2019 HUNTSVILLE ,AL s/d
VERITY INTEGRATED SYSTEMS, INC.       GS-00F-321GA 256-489-5680 HUNTSVILLE ,AL s/w/wo/ew/d
VERSAR, INC.       47QRAA18D00F7 703-642-6733 SPRINGFIELD ,VA o
VERSAR, INC.       GS-00F-0017L (703)642-6733 SPRINGFIELD ,VA s  
VICTORY SOLUTIONS, INC.       GS-10F-0011U 256-799-2615 HUNTSVILLE ,AL s/w/wo/dv
VISION CENTRIC INC.       GS-10F-0034U 256-830-0042 MADISON ,AL s/dv/d/8a
VSE CORPORATION       GS-00F-213CA 703-329-4236 ALEXANDRIA ,VA o
VT AEPCO INC.       GS-23F-0191N 7572170724 HUNTSVILLE ,AL o
W R SYSTEMS LTD.       GS-00F-317GA 703-934-0200 FAIRFAX ,VA o
WARRANT TECHNOLOGIES LLC       47QRAA19D000G 8123616721 BLOOMINGTON ,IN s/dv/d
WAVELINK, INC.       GS-10F-0397Y 256-776-7216 HUNTSVILLE ,AL s/w/wo
WHITNEY, BRADLEY & BROWN INC.       GS-00F-297CA 7034486081 RESTON ,VA o
WILLBROOK SOLUTIONS, INC.       GS-10F-0299V 2564895820 EXT 107 HUNTSVILLE ,AL s/w/wo
WILLOWVIEW CONSULTING, LLC       GS-10F-0315V 208-250-0211 EAGLE ,ID s/w/wo/d
WINDMILL INTERNATIONAL, INC.       GS-23F-0277L 6038216828 NASHUA ,NH s/v
WINTEC ARROWMAKER, INC.       GS-10F-0009L 3012030774 FORT WASHINGTON ,MD o
WOOD ENVIRONMENT & INFRASTRUCTURE SOLUTIONS, INC.       GS-00F-314CA 610-877-6021 BLUE BELL ,PA o
WOOLPERT, INC.       GS-00F-0038N 937-531-1309 DAYTON ,OH o
WORLDWIDE COUNTER THREAT SOLUTIONS, LLC       47QRAA19D00CM 703-412-9394 FREDERICKSBURG ,VA s/dv
WPL, INC.       GS-10F-0187X 310-546-4099 MANHATTAN BEACH ,CA s
WSP USA INC.       47QRAA19D003Q 217-649-8754 NEW YORK ,NY o
WYLE LABORATORIES, INC.       GS-00F-014DA 301-863-4415 TORRANCE ,CA o
X TECHNOLOGIES, INC.       47QRAA18D00EY (210) 822-8712 SAN ANTONIO ,TX s/d
YANG ENTERPRISES, INC.       GS-10F-0135Y 4073657374 OVIEDO ,FL s/w/wo/d
ZANTECH IT SERVICES, INC.       47QRAA19D004L 7032861393 TYSONS CORNER ,VA o
ZEL TECHNOLOGIES, LLC       GS-23F-0197K 757 722 5565 HAMPTON ,VA s/v