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00CORP The Professional Services Schedule (PSS)
Professional Engineering Services
Category Description
871 6 Acquisition and Life Cycle Management Services required under this SIN involve all of the planning, budget, contract and systems/program management functions required to procure and or/produce, render operational and provide life cycle support (maintenance, repair, supplies, engineering specific logistics) to (technology based) systems, activities, subsystems, projects, etc. Typical associated tasks include, but are not limited to 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. Example: During this stage the actual manufacturing, launch, and performance monitoring of the navigation satellite will be assisted through project management, configuration management, reliability analysis, engineering retrofit improvements and similar functions. 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.
474 contractors

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3U TECHNOLOGIES, LLC GS-10F-119AA 301-452-3152 CONROE ,TX s
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
AASKI TECHNOLOGY INC       GS-10F-060AA 732-493-1700 ABERDEEN ,MD o
ABACUS TECHNOLOGY CORPORATION GS-00F-191CA 301-215-7593 CHEVY CHASE ,MD o
ABSG CONSULTING INC. GS-00F-026CA 865-671-5837 SPRING ,TX o
ACQUISITION LIFE CYCLE MANAGEMENT, LLC GS-00F-051GA (478)714-5409 CANTON ,GA o  
ADVANCED CONCEPTS AND TECHNOLOGIES INTERNATIONAL, LLC GS-10F-0336L 254-776-9511 WACO ,TX 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 PROJECT CONSULTING, LLC GS-00F-122GA 4784200272 WARNER ROBINS ,GA s/w/wo/ew/dv/d/8a
ADVANCED SCIENCES AND TECHNOLOGIES, LLC GS-10F-0103U 8567199001 BERLIN ,NJ s
AECOM MANAGEMENT SERVICES, INC.
(DBA: AECOM)
GS-00F-046CA 301-944-3224 GERMANTOWN ,MD 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
AES GROUP INC GS-23F-0250N 303-841-3922 PARKER ,CO s/dv
AFG GROUP INC. GS-23F-0371P 7034350029 HERNDON ,VA s/w
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
ALPHA BETA TECHNOLOGIES, INC. GS-23F-0109S 256-679-7950 HUNTSVILLE ,AL s/dv/d/8a
ALPHA CONSTRUCTION AND ENGINEERING CORPORATION GS-23F-0209N 703.450.0800 DULLES ,VA o
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
ANALYTIC SERVICES INC. GS-00F-095CA 703-416-1304 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
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 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 TECHNOLOGIES GROUP, INC. GS-10F-065AA 2565333471 HUNTSVILLE ,AL s/w/wo/ew/d/8a
APSI CONSTRUCTION MANAGEMENT GS-23F-0054S 9496790202 IRVINE ,CA s
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
ASCENSION GLOBAL SOLUTIONS, LLC 47QRAA19D009Y 781-254-9020 BOXFORD ,MA s/w/wo/dv/d
ASR INTERNATIONAL CORP. GS-00F-283CA 6312311086 HAUPPAUGE ,NY s
ASRC AEROSPACE CORP GS-00F-0059N 301-837-5443 BELTSVILLE ,MD o
AT&T GOVERNMENT SOLUTIONS, INC. GS-00F-350CA 5713544065 VIENNA ,VA o
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
AVIAN, INC. 47QRAA18D006L 301-866-2070 X131 LEXINGTON PARK ,MD s/dv
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
AVNIK DEFENSE SOLUTIONS INC GS-10F-219AA 256-513-5295 HUNTSVILLE ,AL s/w/wo
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
BATTELLE MEMORIAL INSTITUTE GS-00F-084CA 614-424-4647 COLUMBUS ,OH o
BAUM, ROMSTEDT TECHNOLOGY RESEARCH CORPORATION GS-00F-041CA 703-205-1542 VIENNA ,VA o
BAYFIRST SOLUTIONS LLC GS-10F-0356Y 202-541-1010 WASHINGTON ,DC s/d
BEACON SYSTEMS, INC 47QRAA18D0091 9544261171 CORAL SPRINGS ,FL s/w/wo/ew/d
BFA SYSTEMS, INC. GS-10F-0303T 2566797950 HUNTSVILLE ,AL s/dv
BLACK DIAMOND CONSULTING CORPORATION GS-00F-292GA 703-434-1886 ASHBURN ,VA s/d
BLACK HALL AEROSPACE, INC. GS-00F-316GA 240-938-7461 HUNTSVILLE ,AL s/dv
BMA ENGINEERING INC GS-23F-0007M 3012999375 POTOMAC ,MD s
BMT DESIGNERS & PLANNERS, INC. GS-00F-337CA 703-920-7070 ALEXANDRIA ,VA o
BOEING SERVICE COMPANY GS-23F-0183K 972-342-8394 SAINT LOUIS ,MO o
BOHANNAN-HUSTON, INC. GS-00F-0001Y 5058231000 ALBUQUERQUE ,NM o
BONHAM TECHNOLOGIES, INC. GS-00F-194GA 256-864-2340 HUNTSVILLE ,AL s/dv
BOOZ ALLEN HAMILTON INC.       GS-00F-008DA 703-377-4359 MCLEAN ,VA o
BRATSLAVSKY CONSULTING ENGINEERS, INC. GS-00F-071CA 9072725264 ANCHORAGE ,AK s/w/wo/ew/d
BRILLIGENT SOLUTIONS, INC. 47QRAA18D0062 937-879-4148 FAIRBORN ,OH s
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
CACI INC FEDERAL GS-00F-268CA 703-679-3207 CHANTILLY ,VA o
CANVAS, INC. GS-10F-0195Y 256-489-2988 HUNTSVILLE ,AL s/w/wo/h
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
CASSIDY CONSULTING GROUP, LLC 47QRAA18D007E (703)980-8928 HERTFORD ,NC s/w/wo/d/h
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 (256) 428-8186 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
CGI FEDERAL INC. GS-00F-302CA 703-227-4882 FAIRFAX ,VA o
CH2M HILL, INC. GS-00F-018CA 8655602907 ENGLEWOOD ,CO o
CHENEGA TECHNICAL INNOVATIONS, LLC 47QRAA19D0096 (703)429-9000 CHANTILLY ,VA o    
CHEROKEE NATION GOVERNMENT SOLUTIONS GS-00F-174CA 303-277-1444 CATOOSA ,OK s
CHEROKEE NATION RED WING, L.L.C. GS-00F-007DA 9184303426 TULSA ,OK s/d/8a
CIMARRON SOFTWARE SERVICES, INC.       47QRAA19D004Y 2812265180 HOUSTON ,TX s/w/wo
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
COMPUTERCRAFT CORPORATION GS-00F-262GA 571-266-3362 MC LEAN ,VA s/w/wo
COMPUTERCRAFT CORPORATION       GS-23F-0090L 571-266-3120 MC LEAN ,VA s/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
CORTINA SOLUTIONS, LLC GS-00F-205DA 2563192024 HUNTSVILLE ,AL s/w/wo/ew/h
CRAIG TECHNICAL CONSULTING, INC. GS-00F-040GA 321-613-5620 MERRITT ISLAND ,FL s/w/wo/ew/dv/d
CREATIVE BUSINESS SOLUTIONS, INC.       47QRAA17D0005 202-889-0555 LARGO ,MD s/dv/d/8a/h
CREDENCE MANAGEMENT SOLUTIONS LIMITED LIABILITY COMPANY GS-10F-0432Y 571-395-8820 VIENNA ,VA s/d/8a
CRUZ ASSOCIATES INC. GS-10F-0379U 7578337538 YORKTOWN ,VA s
CSRA LLC GS-00F-313CA (571) 446-5340 FALLS CHURCH ,VA o
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
DAVIS DEFENSE GROUP, INC. GS-10F-0190R 540-548-5950 STAFFORD ,VA s/w/wo/ew
DAVIS STRATEGIC INNOVATIONS, INC. GS-10F-225BA 256-489-0550 HUNTSVILLE ,AL s/dv
DCS CORPORATION       GS-23F-0303K 571-227-6211 ALEXANDRIA ,VA s
DCS-MILLENNIUM LLC 47QRAA18D0038 571-227-6211 ALEXANDRIA ,VA s/dv/d
DECISIVE ANALYTICS CORPORATION GS-00F-129CA 703-414-5016 ARLINGTON ,VA s/v
DEFENSE ACQUISITION SUPPORT SERVICES L.L.C. 47QRAA19D008L (443)303-3192 LONG BRANCH ,NJ s/w/wo    
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 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. GS-23F-0177L 256-837-8004 HUNTSVILLE ,AL s
DIGIFLIGHT INCORPORATED GS-00F-195GA 4103120662 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 8502303767 PANAMA CITY BEACH ,FL s/w/wo/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
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
ENGILITY CORPORATION GS-00F-092CA 703-984-5052 ANDOVER ,MA o
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
ENSCO, INC. GS-23F-0272K 703.321.9000 SPRINGFIELD ,VA o
ENTERPRISE INFORMATION SERVICES, INCORPORATED GS-00F-182CA 7037525527 VIENNA ,VA o
ENTERPRISE RESOURCE PLANNING INTERNATIONAL, LLC 47QRAA19D009W (301)490-0080 LAUREL ,MD 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 NORTH CHARLESTON ,SC s/d/8a
EXCELLENCE ENGINEERING, LLC GS-00F-403GA 918-298-5500 TULSA ,OK s/w/wo/d/h
EXELIS INC.       GS-23F-0190L 301-867-2985 HERNDON ,VA o
EXPONENT, INC.       GS-23F-0390K (425)519-8735 MENLO PARK ,CA o  
F3 SOLUTIONS, LLC GS-10F-195BA 478-971-1343 WARNER ROBINS ,GA s/w/wo/ew/d
FOXHOLE TECHNOLOGY, INC. GS-00F-035GA (703) 291-8354 FAIRFAX ,VA s/dv
FTS INTERNATIONAL, LLC 47QRAA19D0064 703-225-7660 DULLES ,VA s
GALORATH INCORPORATED       GS-23F-0253S 310-414-3222 EL SEGUNDO ,CA s
GAN CORPORATION GS-10F-0085U 1-256-489-2471 HUNTSVILLE ,AL s
GANNETT FLEMING, INC. GS-00F-114CA (703) 277-9505 CAMP HILL ,PA o
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 385-205-6872 SOUTH OGDEN ,UT s/v
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
GENESIS ENGINEERING SOLUTIONS, INC. GS-23F-0345K 301-552-0101 LANHAM ,MD s/d
GEOCENT, L.L.C. 47QRAA18D008N (504) 831-1900 METAIRIE ,LA s
GEOCONTROL SYSTEMS, INC. GS-00F-115GA 281-451-4081 HOUSTON ,TX s/w/wo/ew/d/h
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
GET IT DONE (GID) SOLUTIONS LLC GS-00F-282GA 2692756690 FREDERICKSBURG ,VA s/dv
GILBANE BUILDING COMPANY GS-23F-0024R 703-312-7246 PROVIDENCE ,RI o
GLEASON RESEARCH ASSOCIATES INCORPORATED       GS-23F-0253M 2568837000 HUNTSVILLE ,AL s
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
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
GREENMAN-PEDERSEN, INC. GS-23F-0032S 518-209-4823 BABYLON ,NY o
GREENTREE GROUP, INC. THE GS-00F-180CA 937-490-5512 DAYTON ,OH 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
HAMILTON SUNDSTRAND SPACE SYSTEMS INTERNATIONAL, INC. GS-10F-0439X 281.336.6353 HOUSTON ,TX o
HANCOCK MANAGEMENT L.L.C. GS-00F-003CA 603-894-5429 DERRY ,NH s/dv
HARRIS CORPORATION GS-23F-0058M 321-729-2629 PALM BAY ,FL o
HASSETT & WILLIS ASSOCIATES, LLC GS-10F-0156U 703-901-5232 WASHINGTON ,DC o
HATCH, JOHN M 47QRAA18D001M (425)466-0744 ARLINGTON ,TX s
HAWK ENTERPRISES, L.L C. GS-10F-0102U 256-430-3730 HUNTSVILLE ,AL s/dv
HDR ENGINEERING, INC. GS-00F-152CA 303-754-4252 OMAHA ,NE 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
HOLMES-TUCKER INTERNATIONAL, INC.       GS-10F-0258T 2408958119 LEXINGTON PARK ,MD s/v
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)674-1265 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
IGNITE FUELING INNOVATION, INC. GS-10F-0107V 256-270-9023 HUNTSVILLE ,AL s/dv/d
INDUS TECHNOLOGY INC. 47QRAA18D00DR (619) 299-2555 EXT. SAN DIEGO ,CA s/dv
INDYNE, INC. GS-23F-0096L 805-606-5954 STERLING ,VA o
INFORMATION AND INFRASTRUCTURE TECHNOLOGIES, INC. GS-00F-031CA 703-478-7658 HERNDON ,VA o
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
INTERACTIVE PROCESS TECHNOLOGY, LLC GS-00F-0002X 781-222-5589 BILLERICA ,MA o
INTERFUZE TECHNICAL SERVICES CORPORATION       GS-10F-0421Y 256-382-9715 HUNTSVILLE ,AL 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
IRONMOUNTAIN SOLUTIONS, INC. GS-10F-0390Y 256-428-1922 HUNTSVILLE ,AL s/dv
ISPA TECHNOLOGY, LLC GS-00F-232GA 703-822-1862 LITHIA ,FL s
ITSC SECURE SOLUTIONS, LLC GS-00F-065GA 559-719-8040 FALLS CHURCH ,VA s/w/wo/h
J. F. TAYLOR, INC. GS-23F-0005L 301-862-3939 LEXINGTON PARK ,MD o
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VECTRUS MISSION SOLUTIONS CORPORATION GS-00F-050CA 571-481-2038 ALEXANDRIA ,VA o
VENTURI, INC. GS-00F-044CA 256-705-2019 HUNTSVILLE ,AL s/d
VERSAR, INC. 47QRAA18D00F7 (703)642-6733 SPRINGFIELD ,VA o    
VERSAR, INC. GS-00F-0007L 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
WAVELINK, INC. GS-10F-0397Y 256-776-7216 HUNTSVILLE ,AL s/w/wo
WESTAR AEROSPACE & DEFENSE GROUP, INC. GS-23F-0207P 256-971-7920 HUNTSVILLE ,AL o
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
WINDMILL INTERNATIONAL, INC. GS-23F-0277L 6038216828 NASHUA ,NH s/v
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
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
ZANTECH IT SERVICES, INC. 47QRAA19D004L 7032861393 TYSONS CORNER ,VA o
ZEL TECHNOLOGIES, LLC GS-23F-0197K 757 722 5565 HAMPTON ,VA s/v