GSA Federal Acquisition Service
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E-mail: ncsccustomer.service@gsa.gov

MAS Multiple Award Schedule
Professional Services - Technical and Engineering Services (non-IT)
Category Description
541420 Engineering System Design and Integration Services Services include creating and developing designs and specifications that optimize the use, value, and appearance of their products. These services can include determination of the materials, construction, mechanisms, shape, color, and surface finishes of the product, taking into consideration human characteristics and needs, safety, market appeal, and efficiency in production, distribution, use, and maintenance.

Associated tasks include, but are not limited to computer-aided design, e.g. CADD, risk reduction strategies and recommendations to mitigate identified risk conditions, fire modeling, performance-based design reviews, high level detailed specification and scope preparation, configuration, management and document control, fabrication, assembly and simulation, modeling, training, consulting, analysis of single or multi spacecraft missions and mission design analysis.

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

An implementation guide for Space launch Integration Services (SLIS) can be found at www.gsa.gov/psschedule - click on "Professional Engineering Solutions".
598 contractors

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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
74 WELD, INC 47QRAA22D00C0 619-286-6656 EL CAJON ,CA s
A2 SYSTEMS ENGINEERING, INC. GS-10F-0316X 31046966606 EL SEGUNDO ,CA s/v
ABACUS TECHNOLOGY CORPORATION GS-35F-720GA 301-215-7593 CHEVY CHASE ,MD o
ABACUS TECHNOLOGY CORPORATION GS-00F-191CA 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
ACCURATE MACHINE & TOOL CORPORATION 47QRAA20D0013 (256)461-8063 MADISON ,AL s/w/wo  
ACE AERONAUTICS, LLC 47QRAA20D006L 256-705-0250 EXT. 12 GUNTERSVILLE ,AL 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 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
AERO THERMO TECHNOLOGY, INC. 47QRAA18D00BA 2569221141 HUNTSVILLE ,AL s/w/wo
AES GROUP, INC. GS-23F-0250N (303)841-3922 PARKER ,CO s/dv  
AFFILIATED ENGINEERS METRO DC, INC.       47QRAA18D00GE 301-509-6730 ROCKVILLE ,MD o
AFG GROUP INC. GS-23F-0371P 703-342-9939 HERNDON ,VA s/w/wo
AFG GROUP INC. 47QRAA20D009J 703-435-0029 HERNDON ,VA s/w/wo
AI SIGNAL RESEARCH, INC. GS-10F-0254T 256-551-0008 X39 HUNTSVILLE ,AL s
AIR LOGISTICS AND ENGINEERING CONSULTANTS, LLC       47QRAA18D0092 4789514404 WARNER ROBINS ,GA s
AKIMEKA, LLC GS-00F-147CA 703-329-4724 COLUMBIA ,MD o
ALABAMA A&M UNIVERSITY RESEARCH, INNOVATION, SCIENCE AND ENGINEERING FOUNDATION, INC., THE 47QRAA19D002C 2563724940 NORMAL ,AL o
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
ALLEGIENT DEFENSE, INC. GS-35F-244BA 8139909799 ARLINGTON ,VA s/v/8a
ALLIED MISSION GROUP LLC 47QRAA18D00G8 571-344-0888 LEESBURG ,VA s/d/h
ALLUVIONIC INC. 47QRAA20D003F 5012594288 MELBOURNE ,FL s/w/wo/ew/d/8a
ALPHA CONSTRUCTION AND ENGINEERING CORPORATION GS-23F-0209N 703-450-0800 DULLES ,VA o
ALPHASIX CORPORATION GS-35F-307AA 703-579-6479 STERLING ,VA o
ALPHASIX CORPORATION 47QRAA19D00B6 703-579-6479 STERLING ,VA o
ALTUS, LLC GS-10F-0155V (410) 457-8115 DARLINGTON ,MD s
AM PIERCE & ASSOCIATES, INC. 47QRAA22D006D 240-718-3814 CALIFORNIA ,MD s/w/wo
AMEE BAY, LLC GS-10F-0255V 843-414-4141 ANCHORAGE ,AK s/d/8a
AMENTUM SERVICES, INC. GS-00F-046CA 301-944-3132 GERMANTOWN ,MD o
AMENTUM TECHNICAL SERVICES LLC 47QRAA20D006B 803-530-1330 AIKEN ,SC 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 MECHANICS ASSOCIATES, INC. 47QRAA21D002Q 256.830.4811 X 112 HAMPTON ,VA s
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
APPLIED ENGINEERING SERVICES, INC. 47QTCA23D0051 (661)349-6769 RIDGWAY ,CO s    
APPLIED INSIGHT, LLC GS-00F-145GA 703-215-8211 RESTON ,VA 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 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
ARION SYSTEMS, INC. 47QRAA19D00DS 703-815-1130 X1112 CHANTILLY ,VA s
ART ANDERSON ASSOCIATES, INC.       GS-10F-0159U 3604795600 BREMERTON ,WA s/v
ASCA, INC.       GS-23F-0049R 3103166249 EXT 105 REDONDO BEACH ,CA s
ASCENSION GLOBAL SOLUTIONS, LLC 47QRAA19D009Y 781-254-9020 NORTH BILLERICA ,MA s
ASR INTERNATIONAL CORP. GS-00F-283CA 6312311086 HAUPPAUGE ,NY s/d
ATKINS NORTH AMERICA, INC. 47QRAA21D002Z 813 281 4430 TAMPA ,FL o
ATKINSON AERONAUTICS & TECHNOLOGY, INC. 47QRAA18D009W 540-760-7499 FREDERICKSBURG ,VA s/dv
AUTOMATION ZONE, INC. 47QRAA22D00C2 (419)656-7288 CASTALIA ,OH s    
AVANTUS FEDERAL LLC GS-00F-151CA 571-551-2726 MCLEAN ,VA o
AVIAN, LLC 47QRAA18D006L 301-866-2070 EXT. #1 LEXINGTON PARK ,MD s/dv
AVIATION & MISSILE SOLUTIONS, LLC GS-23F-0017P 256-713-5903 HUNTSVILLE ,AL o
AVION SOLUTIONS, INC. 47QRAA22D0091 256-721-7006 HUNTSVILLE ,AL o
AVNIK DEFENSE SOLUTIONS INC GS-10F-219AA 256-513-5295 HUNTSVILLE ,AL s/w/wo
AXIENT LLC GS-23F-0320N 256-652-7025 HUNTSVILLE ,AL o
AXIENT LLC       47QRAA20D0092 2567990669 ARLINGTON ,VA o
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
BLACKROCK AUTOMATION INC.       47QRAA23D002S (346)231-0332 HOUSTON ,TX s    
BLUE SKY INNOVATORS INC. 47QRAA20D001N 571-261-6385 FAIRFAX ,VA s
BLUEHALO LLC GS-10F-0019U 256-922-0802 HUNTSVILLE ,AL o
BLUEWATER FEDERAL SOLUTIONS, INC.       47QRAA20D001S 5712936554 CHANTILLY ,VA o
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
BRADSHAW ENGINEERING AND TECHNICAL SERVICES, LLC GS-00F-183DA (256) 603-6471 HUNTSVILLE ,AL s
BRANCHPATTERN, INC. 47QRAA21D004X 402-858-2114 LINCOLN ,NE s/d
BRATSLAVSKY CONSULTING ENGINEERS, INC. GS-00F-071CA 9072807619 ANCHORAGE ,AK s
BRILLIGENT SOLUTIONS, INC. 47QRAA18D0062 410-844-4526 FAIRBORN ,OH o
BRMI CONSULTING, INC. GS-35F-0490W 443-418-6674 SILVER SPRING ,MD o
BRYCE SPACE AND TECHNOLOGY, LLC 47QRAA18D00AN 703-647-2742 ALEXANDRIA ,VA s/w/wo
BURNS ENGINEERING, INC. 47QRAA19D00AF 2156087846 PHILADELPHIA ,PA o
C-P SYSTEMS CORPORATION 47QRAA21D0071 6512567473 MAPLEWOOD ,MN s
C2 TECHNOLOGY SOLUTIONS INC. GS-35F-272GA 410-794-6792 COLUMBIA ,MD s/d/8a
C4 PLANNING SOLUTIONS, LLC 47QRAA18D006V 706-592-3095 x104 BLYTHE ,GA o  
CACI INC FEDERAL GS-00F-268CA 703-679-3412 CHANTILLY ,VA o
CAMBRIDGE INTERNATIONAL SYSTEMS INC.       47QRAA18D005T 5713198919 ARLINGTON ,VA o
CANVAS, INC. GS-10F-0195Y (256) 489-2988 HUNTSVILLE ,AL s/w/wo
CARDNO GS, INC. GS-00F-196CA 9165487783 CHARLOTTESVILLE ,VA o
CASE MANAGEMENT CONSULTING, LLC 47QTCA21D002Y 703-622-0556 ALEXANDRIA ,VA s/w/wo/d/8a
CATALYST SOLUTIONS, LLC       GS-00F-412GA (504)623-5458 STAFFORD ,VA s/dv  
CBRE HEERY, INC. 47QRAA19D00AP (404)946-2432 ATLANTA ,GA o
CDM FEDERAL PROGRAMS CORPORATION GS-00F-085CA 303-383-2300 FAIRFAX ,VA o
CENTURUM INFORMATION TECHNOLOGY, INC. 47QRAA19D00AM (703)415-9384 MARLTON ,NJ o  
CEPEDA SYSTEMS & SOFTWARE ANALYSIS, INC.       GS-00F-224GA (256) 428-8186 HUNTSVILLE ,AL s/w/wo/d/h
CERVELLO GLOBAL CORPORATION 47QRAA18D003E (727) 303-3001 SAFETY HARBOR ,FL s/dv/d
CFD RESEARCH CORPORATION GS-10F-0184Y 256-361-0801 HUNTSVILLE ,AL s
CGI FEDERAL INC. GS-35F-281DA 7032274652 FAIRFAX ,VA o
CGI FEDERAL INC. GS-00F-302CA 703-227-4652 FAIRFAX ,VA o
CHENEGA TECHNICAL INNOVATIONS, LLC 47QRAA19D0096 703-493-9880 CHANTILLY ,VA o
CHEROKEE NATION RED WING, L.L.C. GS-00F-007DA 918-430-3407 TULSA ,OK s/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
CMT SERVICES, INC. 47QRAA19D008U 2028098785 HYATTSVILLE ,MD s/w/wo/h
COLSA CORPORATION GS-00F-293CA 2569645276 HUNTSVILLE ,AL o
COLUMBIA GROUP, INC, THE GS-00F-201CA 2026088415 WASHINGTON ,DC s
COMPUTERCRAFT CORPORATION GS-00F-262GA 5712663362 WASHINGTON ,DC s/w/wo
CONCURRENT TECHNOLOGIES CORPORATION 47QRAA21D0021 814-269-2871 JOHNSTOWN ,PA o
COOPER ZIETZ ENGINEERS, INC GS-10F-0337T 5036529090 PORTLAND ,OR s/v/d/h
CORNERSTONE CONCILIUM, INC GS-00F-0007S (415)705-7800 SAN FRANCISCO ,CA s/d/h
CORNERSTONE SIGNALS & CYBER TECHNOLOGIES LLC       47QRAA19D0003 720-206-6718 CHRISTOVAL ,TX s/w/wo/ew/dv/d
CORTINA SOLUTIONS, LLC GS-00F-205DA 256-319-2024 HUNTSVILLE ,AL s/w/wo/ew/d/8a/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
CREDENCE MANAGEMENT SOLUTIONS LIMITED LIABILITY COMPANY GS-10F-0432Y STAPLEFORD VIENNA ,VA o
CROSSFLOW TECHNOLOGIES, INC 47QRAA18D008D 2564253680 ALBERTVILLE ,AL s
CROSSROADS SOLUTIONS LP       47QRAA20D005T (256)683-1939 KILLEN ,AL s  
CRUZ ASSOCIATES INC. GS-10F-0379U 757-833-7538 YORKTOWN ,VA s
CZERO, INC. GS-10F-0081X 719-331-9662 FORT COLLINS ,CO s
D P ASSOCIATES, INC. GS-10F-0361U 256-837-8300 HUNTSVILLE ,AL s/w/wo/ew/d
D P ASSOCIATES, INC.       47QRAA23D0050 (256)837-8300 HUNTSVILLE ,AL s/w/wo/ew/d/8a    
D&G SUPPORT SERVICES, LLC GS-00F-131DA 7034033463 WOODBRIDGE ,VA s/w/wo/ew/dv/d/8a
DAMA CONSULTANTS, INC 47QRAA19D0037 773-870-1595 CHICAGO ,IL s/d/8a/h
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
DECK FOUR INNOVATION INC. 47QRAA22D00B2 321-544-0793 MERRITT ISLAND ,FL s/w/wo/d
DEFENSE ARCHITECTURE SYSTEMS, INC. GS-00F-291GA 443-831-3055 FULTON ,MD s
DEFINITIVE LOGIC CORPORATION GS-00F-043CA 703-343-3409 ARLINGTON ,VA s
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
DESIGN ALASKA INC GS-00F-361GA 907-452-1241 FAIRBANKS ,AK s
DIGIFLIGHT INCORPORATED GS-00F-195GA 256-603-5322 COLUMBIA ,MD s/v/d
DIGITAL MOBILIZATIONS, INC.       47QRAA19D00BP (540)219-9222 WARRENTON ,VA s/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  
DPRA INCORPORATED 47QRAA19D003T 785-564-6041 KNOXVILLE ,TN s
DRAGOON TECHNOLOGIES, INC. GS-07F-5553R 937-439-9223 DAYTON ,OH s
DS2 LLC 47QRAA19D005F 850-307-2781 NICEVILLE ,FL s/dv
DYNAMIC CONCEPTS LLC       GS-10F-0006U 2567990669 HUNTSVILLE ,AL o
DYNAMIS, INC. GS-00F-115DA 703-465-4400 FALLS CHURCH ,VA o
DYNETICS, INC. GS-00F-045CA 2567135320 HUNTSVILLE ,AL o
EARTHWORKS GROUP, INC. THE 47QRAA23D003B 843-651-7900 MURRELLS INLET ,SC s
EASTERN RESEARCH GROUP, INC. GS-00F-079CA 7742491622 CONCORD ,MA o
ECS FEDERAL, LLC GS-00F-072CA 571-232-1412 FAIRFAX ,VA o
EDGESOURCE CORPORATION 47QRAA18D004S 703-837-0550 ALEXANDRIA ,VA s
EL DORADO ENGINEERING, INC.       47QRAA18D00E6 (801)966-8288 WEST JORDAN ,UT s  
ELYON INTERNATIONAL, INC. GS-00F-203GA (360) 696-5892 VANCOUVER ,WA s/w/wo/v/d
ELZLY TECHNOLOGY CORPORATION GS-23F-0167S 703-505-1905 RESTON ,VA o
EMERGENT SPACE TECHNOLOGIES, INC. GS-00F-196DA 301-345-1535 LAUREL ,MD s
EMPOWER AI, INC. GS-00F-263CA 703-707-6730 RESTON ,VA o
ENERGY RESEARCH, INC.       47QRAA22D009T 3018810866 ROCKVILLE ,MD s
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
EPSILON SYSTEMS SOLUTIONS, INC. 47QRAA21D005F 619-702-1700 SAN DIEGO ,CA o
EQUITY ENGINEERING GROUP, INC., THE 47QRAA21D004W 2162839519 SHAKER HEIGHTS ,OH o
ESCIENCE AND TECHNOLOGY SOLUTIONS, INCORPORATED GS-00F-124GA 301-429-0005 x106 LANDOVER ,MD s/d  
EXCEL SERVICES CORPORATION       47QRAA22D000K (301)984-4400 ROCKVILLE ,MD o    
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
FIELD MANAGEMENT SERVICES, INC. 47QRAA20D000W 212-628-6860 LOS ANGELES ,CA s
FIRE & RISK ALLIANCE, LLC 47QRAA18D00CT (937)505-3031 LINCOLNWOOD ,IL s/d  
FIVE STONES RESEARCH CORPORATION GS-10F-0446X 2569750848 HUNTSVILLE ,AL s/w/wo/ew/d/8a
FLUOR FEDERAL SERVICES, INC. 47QSHA22D0008 703-351-6450 GREENVILLE ,SC o
FRATELLO, INC. GS-10F-0202X (540)596-0695 STEPHENS CITY ,VA s/w/wo  
FREEDOM INFORMATION SYSTEMS, INC.       47QRAA20D0098 813-281-8008 TAMPA ,FL s/w/wo/dv
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
G2 SOFTWARE SYSTEMS, INC. 47QRAA23D001K (619)222-8025 SAN DIEGO ,CA s    
GAN CORPORATION GS-10F-0085U 256-509-9150 HUNTSVILLE ,AL s
GANNETT FLEMING, INC. GS-00F-114CA 703-277-9505 CAMP HILL ,PA o
GAUSS MANAGEMENT RESEARCH AND ENGINEERING, INC. GS-10F-0028W 801-475-0243 SOUTH OGDEN ,UT s/v
GBL SYSTEMS CORPORATION 47QRAA19D007F 8059874345 CAMARILLO ,CA s
GC ASSOCIATES USA, LLC       47QTCA21D004S 632-866-9871 ARLINGTON ,VA s/dv/d/8a
GEBC, LLC 47QRAA20D0057 703-895-6114 HUNTSVILLE ,AL s/dv
GEM TECHNOLOGIES, INC. 47QRAA20D007W 865-660-7339 KNOXVILLE ,TN s/d
GEMINI INDUSTRIES INC. GS-00F-279CA 781-203-0100 BURLINGTON ,MA s/w/wo
GENCO SYSTEMS, INC. GS-23F-0019P 703-234-5261 HERNDON ,VA s/d/8a
GENCO SYSTEMS, INC. 47QRAA20D001P 703-234-5261 HERNDON ,VA s/d
GENERAL ATOMICS SYSTEMS INTEGRATION, LLC 47QRAA20D003N 801-546-8100 KAYSVILLE ,UT o
GENERAL DYNAMICS INFORMATION TECHNOLOGY, INC. GS-00F-057CA 7039953733 FALLS CHURCH ,VA o
GENERAL DYNAMICS INFORMATION TECHNOLOGY, INC. GS-00F-256CA 703-995-3733 FALLS CHURCH ,VA o
GENERAL DYNAMICS INFORMATION TECHNOLOGY, INC. GS-00F-313CA 703-995-3733 FALLS CHURCH ,VA o
GENERAL INFOMATICS-A SERVICE DISABLED OWNED VETERAN BUSINESS, INC. 47QRAA18D002D 7035605119 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  
GEOGRAPHIC INFORMATION SERVICES, INC.       GS-35F-0682R 205-725-5836 BIRMINGHAM ,AL s
GEOGRAPHIC INFORMATION SERVICES, INC. 47QRAA19D00BD 2057255836 BIRMINGHAM ,AL 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 ENGINEERING SOLUTIONS, INC. GS-10F-0160Y 3012162871 BETHESDA ,MD o
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
GOODWIN ENGINEERING, INC.       47QRAA20D007X (512)349-9667 TAYLOR ,TX s  
GP STRATEGIES CORPORATION 47QRAA21D005R 6672607404 COLUMBIA ,MD o
GREENTREE GROUP, INC. THE GS-35F-396DA 937-490-5512 BEAVERCREEK ,OH s
GREENTREE GROUP, INC. THE GS-00F-180CA 937-490-5512 BEAVERCREEK ,OH s
GROVE RESOURCE SOLUTIONS, INC.       GS-10F-0502X 240-772-2433 BETHESDA ,MD o
GSD LLC 47QRAA21D0022 7572070809 WILLIAMSBURG ,VA s/v
H2 IT SOLUTIONS, INC. 47QTCA19D004K 813-842-0665 ORLANDO ,FL s/w/wo/ew/d
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  
HEXAGON US FEDERAL, INC. 47QRAA18D00A2 478-322-3258 HUNTSVILLE ,AL o
HEXAGON US FEDERAL, INC. 47QTCA18D003G 478-322-3258 HUNTSVILLE ,AL o
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
HP ENGINEERING, INCORPORATED 47QRAA22D004Y 4792653688 ROGERS ,AR s/d
HW CONSULTING, INCORPORATED GS-10F-0156U (202)734-0753 WASHINGTON ,DC s/w/wo
HX5,, LLC       GS-00F-225GA 8503626551 FORT WALTON BEACH ,FL s/w/wo/dv
HYPERION TECHNOLOGY GROUP, INC. 47QRAA22D007P 6628230626 TUPELO ,MS s
HYPERSOFT INC GS-23F-0165P 6369478862 SAINT CHARLES ,MO s/w/wo
ICF INCORPORATED, L.L.C. GS-00F-010CA 703-934-3632 FAIRFAX ,VA o
IDEAL 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
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 AND INFRASTRUCTURE TECHNOLOGIES, INC. GS-00F-031CA 703-478-7658 RESTON ,VA s/v
INFORMATION SYSTEMS LABORATORIES, INC. 47QRAA21D001U 858-373-2717 VIENNA ,VA s
INNOVATIVE CONSULTING & MANAGEMENT SERVICES, LLC 47QRAA19D000D 3014444100 ROCKVILLE ,MD s/d/8a/h
INSIGHT INTERNATIONAL TECHNOLOGY, LLC       47QRAA19D00BE (256) 551-0414 HUNTSVILLE ,AL s/dv/d
INTEGRATED SOLUTIONS FOR SYSTEMS, INC. GS-00F-378GA 2564899723 HUNTSVILLE ,AL o
INTEGRATION INNOVATION, INC. GS-00F-210CA 256-562-2978 HUNTSVILLE ,AL s
INTEK INC.       GS-00F-089GA 703-465-2231 ARLINGTON ,VA s
INTER-COASTAL ELECTRONICS, LLC GS-00F-0019Y 480-981-6898 MESA ,AZ o
INTERACTIVE PROCESS TECHNOLOGY, LLC GS-00F-0002X 7812225589 BURLINGTON ,MA o
INTERFUZE CORPORATION GS-35F-0013T 2563829715 HUNTSVILLE ,AL s
INTERNATIONAL INFORMATION AND INFRASTRUCTURE PROTECTION GROUP, LLC 47QRAA20D004B 717-891-6720 GETTYSBURG ,PA s/h
INTREPID, L.L.C. GS-10F-014AA 256-705-6830 HUNTSVILLE ,AL s
INTUITIVE RESEARCH AND TECHNOLOGY CORPORATION GS-23F-0343N 2569229300 HUNTSVILLE ,AL o
INTUITIVE RESEARCH AND TECHNOLOGY CORPORATION       47QRAA20D0022 2569229300 HUNTSVILLE ,AL s
INVARIANT CORPORATION GS-23F-0315P 256-885-9794 HUNTSVILLE ,AL s
INVICTUS INTERNATIONAL CONSULTING, LLC       47QRAA19D00C0 703-214-1201 ALEXANDRIA ,VA o
IRONARCH TECHNOLOGY LLC GS-35F-032DA 7039428868 MCLEAN ,VA s/dv
IRONCLAD TECHNOLOGY SERVICES LLC 47QRAA20D000L 757-493-3572 VIRGINIA BEACH ,VA o
IRONMOUNTAIN SOLUTIONS, INC. GS-10F-0390Y 256-428-1922 HUNTSVILLE ,AL o
ISSAC CORP GS-10F-0233Y 719-725-6904 COLORADO SPRINGS ,CO s/dv
ITEGRITY, INC. GS-35F-049DA 2022712292 SILVER SPRING ,MD s/d/8a
ITEGRITY, INC.       47QSWA20D0049 (202)271-2292 SILVER SPRING ,MD s/d/8a  
ITSC SECURE SOLUTIONS, LLC GS-10F-0010U MAINVIELLE OWENS CROSS ROADS ,AL s/w/wo
J FOSTER & ASSOCIATES LLC 47QRAA22D0069 (208)709-0508 IDAHO FALLS ,ID s/w/wo/ew/d/8a    
JACKSON AND TULL, CHARTERED ENGINEERS       47QRAA18D00DJ 2405537005 WASHINGTON ,DC s/d
JACOBS ENGINEERING GROUP INC. 47QRAA21D00AF 571-218-1304 ARLINGTON ,VA o
JACOBS TECHNOLOGY INC. GS-00F-038CA 931-455-6400 TULLAHOMA ,TN o
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
JMA SOLUTIONS LLC 47QRAA18D00GC 202-465-8208 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 (443)-624-2218 CLIFTON ,VA s/dv
JOHNSON, MIRMIRAN & THOMPSON, INC. GS-00F-194CA 410-329-3100 COCKEYSVILLE ,MD o
JOINT VENTURE SOLUTIONS (JVS) LLC GS-00F-099GA 4432800698 MILLERSVILLE ,MD s/dv
JOVIAN SOFTWARE CONSULTING LLC       47QRAA20D004T (616)920-0458 GRAND RAPIDS ,MI s/w/wo/d  
KALMAN & COMPANY, INC. GS-00F-343CA 757-461-4292 VIRGINIA BEACH ,VA s/w/wo
KARBON ENGINEERING SERVICES, LLC 47QRAA19D00AW (844)470-8802 EDISON ,NJ s    
KBM ENTERPRISES, INC.       GS-23F-0001R 9314689233 HUNTSVILLE ,AL s/w/wo
KBR WYLE SERVICES, LLC       GS-00F-200CA 2569716126 LEXINGTON PARK ,MD o
KELLER-BLIESNER ENGINEERING, LLC       47QRAA18D004Q 435-753-5651 LOGAN ,UT s
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
KINETIC METRICS, LLC 47QRAA20D000K 7036476221 ALEXANDRIA ,VA s/d/8a
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
L2 SOLUTIONS LLC       47QRAA22D0040 713-582-9295 HOUSTON ,TX s/d
LEADING SOLUTIONS, LLC 47QTCA22D000V 407-201-5727 KISSIMMEE ,FL s/w/wo/dv
LEIDOS, INC. GS-35F-116AA (571) 526-7085 RESTON ,VA o
LEIDOS, INC. GS-00F-022CA 240-460-5984 RESTON ,VA o
LEONARDO TECHNOLOGIES, INC.       GS-23F-0231R 7409682222X104 ST CLAIRSVILLE ,OH s
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LIBERTY PARTNERS, INC. 47QRAA22D007Z (918)756-6474 OKMULGEE ,OK s/w/wo/ew/d/h    
LINC RESEARCH, INC 47QRAA20D008M (256)318-5447 HUNTSVILLE ,AL s/h  
LINDAHL REED, INC. 47QRAA18D00GR 541/638-9164 REDMOND ,OR s/w/wo/ew/d/8a
LINK TECHNOLOGIES INC 47QRAA20D0096 301-983-6878 GERMANTOWN ,MD s/w/wo
LINQUEST CORPORATION 47QRAA21D009B 323-924-1587 LOS ANGELES ,CA o
LJB INC GS-00F-049CA 937-259-5000 MIAMISBURG ,OH o
LMI CONSULTING, LLC       GS-00F-041GA (703) 917-7524 TYSONS CORNER ,VA o
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
LOYAL SOURCE GOVERNMENT SERVICES LLC 47QRAA18D008T 4075913088 ORLANDO ,FL o
LSINC CORPORATION 47QRAA18D00BC (937)505-3031 HUNTSVILLE ,AL s/w/wo/ew    
LYNKER CORPORATION 47QTCA19D00GN 7034315855 LEESBURG ,VA s/h
LYNKER CORPORATION GS-00F-125CA 7034315855 LEESBURG ,VA o
M.C. DEAN, INC. 47QSWA19D002W 703-243-6231 TYSONS ,VA o
MACAULAY-BROWN, INC GS-00F-063CA (937)426-3421 DAYTON ,OH o
MAG DS CORP.       GS-10F-060AA 732-493-1700 ABERDEEN ,MD o
MAINSAIL GROUP, LLC 47QRAA22D00DD 508-745-3195 BEDFORD ,MA s/w/wo/dv/d
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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
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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
MARTINFEDERAL CONSULTING, LLC GS-35F-491CA 256-382-4316 HUNTSVILLE ,AL s/dv/d/8a
MASON LIVESAY SCIENTIFIC, LLC 47QRAA19D00AJ (865)294-4368 OAK RIDGE ,TN s/w/wo/d  
MAXAR INTELLIGENCE INC.       47QRAA19D002V 703-439-4772 WESTMINSTER ,CO o
MAYVIN, INC. GS-10F-0280Y (703) 750-1794 ALEXANDRIA ,VA o
MCHENRY MANAGEMENT GROUP, INC., THE GS-10F-0239U (757)410-0233 CHESAPEAKE ,VA s/v  
MCLAUGHLIN RESEARCH CORPORATION       47QRAA21D0093 (401) 849-4010 NEW LONDON ,CT s
MCR FEDERAL, LLC GS-00F-123CA 703.740.2237 MCLEAN ,VA o
MEDIADYNE, LLC 47QRAA18D00DY (301)785-3601 GREAT FALLS ,VA s/v  
MELE ASSOCIATES, INC. GS-00F-243CA (240)453-6962 ROCKVILLE ,MD s/v
MET-L-TEC, LLC 47QRAA22D009B (734)847-7004 TEMPERANCE ,MI s    
METRON, INCORPORATED       GS-00F-166DA 7033262870 RESTON ,VA s
MFS CONSULTING ENGINEERS & SURVEYOR, D.P.C. 47QRAA21D009N 908-922-4622 SOUTH PLAINFIELD ,NJ s/d
MICHAEL BAKER INTERNATIONAL, INC. 47QRAA21D008D 703-483-0029 ALEXANDRIA ,VA o
MICROCOM DESIGN, INC. GS-10F-0213W 410-771-1070 COCKEYSVILLE ,MD s
MILLENNIUM CORPORATION GS-10F-0141W 703-436-1346 ARLINGTON ,VA s/dv/d
MINO MARINE, L.L.C. GS-00F-249GA 504-218-8162 NEW ORLEANS ,LA s
MISSION1ST GROUP, INC GS-35F-0199Y (571) 409-7133 ARLINGTON ,VA s/dv
MISSIONFOCUS LLC GS-10F-149AA 703-291-6721 MC LEAN ,VA s
MLT SYSTEMS LLC GS-10F-0168W 5403186383 STAFFORD ,VA s/dv
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
MODULUS CONSULTING LLC 47QRAA21D00AQ 415-796-6482 SAN FRANCISCO ,CA 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
MSI DEFENSE SOLUTIONS, LLC GS-30F-015BA 704-660-8348 MOORESVILLE ,NC s
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
MUNRO & ASSOCIATES INC 47QRAA23D000B (517)347-8952 AUBURN HILLS ,MI s    
NANORACKS, LLC 47QRAA18D004R (832)632-7754 WEBSTER ,TX s  
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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
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NETSEA TECHNOLOGIES LLC 47QRAA22D00E0 774-571-2191 BEL AIR ,MD s
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
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OASYS, INC. GS-00F-182DA 2568019025 HUNTSVILLE ,AL s
OCH TECHNOLOGIES, LLC 47QRAA19D005Q 7038643479 LEESBURG ,VA s/d/8a
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ODYSSEY SYSTEMS CONSULTING GROUP, LTD. GS-10F-0254U 781-809-1604 WAKEFIELD ,MA o
OHIO AEROSPACE INSTITUTE 47QRAA22D0062 440-962-3017 BROOKPARK ,OH o
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PARRA CONSULTING GROUP, INC 47QRAA19D00B9 240-686-6042 MIDDLETOWN ,MD s/dv/d/8a/h
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PD SYSTEMS, INC. GS-00F-331CA 703-778-7694 SPRINGFIELD ,VA o
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PERKINS EASTMAN ARCHITECTS, D.P.C. 47QRAA22D000H 212-353-7305 NEW YORK ,NY o
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RAYTHEON COMPANY GS-35F-204GA 310-710-8372 WALTHAM ,MA o
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REAL-TIME 2 LLC 47QTCA21D000T 7032865426 ALEXANDRIA ,VA s/dv/d
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RELIANT TECHNOLOGIES INC       47QRAA22D004V 256-426-8056 HUNTSVILLE ,AL s/v
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ROBERT AND COMPANY GS-00F-210GA 4045774000 ATLANTA ,GA s/dv
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SABRE SYSTEMS, INC. GS-00F-178CA 215-347-1458 WARMINSTER ,PA o
SAGE SERVICES GROUP, LLC 47QREA21D0008 240-380-3504 BOWIE ,MD s/w/wo/ew
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
SCIENTIFIC & BIOMEDICAL MICROSYSTEMS, LLC GS-10F-0497X 703-848-8850 GLEN BURNIE ,MD s
SCIENTIFIC RESEARCH CORPORATION 47QRAA21D0085 770-989-9447 ATLANTA ,GA o
SCITECH SERVICES, INC. GS-02F-0259X 443-303-3623 HAVRE DE GRACE ,MD s
SDS INTERNATIONAL, INC.       47QRAA21D004U 540-424-5926 ROCKLEDGE ,FL s/dv
SELAH GROUP FLORIDA, INC.       47QRAA22D0011 (321)305-4965 ROCKLEDGE ,FL s/d    
SELF TECHNOLOGIES, INC.       47QRAA19D001D 256-535-9517 OWENS CROSS ROADS ,AL s/w/wo
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SENTAR, INC.       GS-10F-095AA 256-430-0860 HUNTSVILLE ,AL s/w/wo
SERCO INC. GS-00F-129CA 703-414-5016 HERNDON ,VA o
SERCO INC. GS-00F-193CA 703.263.6000 HERNDON ,VA o
SERCO INC. GS-00F-297CA 7034486081 HERNDON ,VA o
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
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SIMETRI, INC. 47QRAA21D00AM 3219729980 WINTER PARK ,FL s/w/wo/ew/d/8a
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
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SONALYSTS, INC.       GS-00F-351CA 860-326-3652 WATERFORD ,CT o
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SPACE METRICS, INC. GS-00F-299GA 202-860-0004 WASHINGTON ,DC s/d/8a/h
SPACE SYSTEMS INTEGRATION, LLC 47QRAA20D001A (703)380-9376 GREAT FALLS ,VA s    
SPACEFLIGHT, INC GS-00F-036DA 866-342-9934 SEATTLE ,WA o
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SPECTRUM COMM INC. GS-00F-318CA 757-224-7500 NEWPORT NEWS ,VA o
SPORIAN MICROSYSTEMS INC       47QRAA18D00BN 303-516-9075 LAFAYETTE ,CO s
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STARGATES, INC. GS-00F-0033Y 703-465-7955 ARLINGTON ,VA s
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STRATA-G SOLUTIONS, LLC GS-10F-0287W 256-705-4316 HUNTSVILLE ,AL s/d
STRATAGEM SOLUTIONS, INCORPORATED 47QRAA20D004V 2569198208 HUNTSVILLE ,AL s/v
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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
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STUDDIFORD TECHNICAL SOLUTIONS, LLC 47QRAA20D006Y (203)206-0533 ALEXANDRIA ,VA s  
SUMMIT TECHNICAL SOLUTIONS LLC GS-10F-0347T 7194760715 COLORADO SPRINGS ,CO s/w/wo/v
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VELOS LLC 47QRAA18D00G6 703-822-5777 PRINCESS ANNE ,MD s/h
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VSE CORPORATION GS-00F-213CA 703-329-4724 ALEXANDRIA ,VA o
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