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

MAS Multiple Award Schedule
Information Technology - IT Software
Category Description
54151 Software Maintenance Services Software maintenance services creates, designs, implements, and/or integrates customized changes to software that solve one or more problems and is not included with the price of the software. Software maintenance services includes person-to-person communications regardless of the medium used to communicate: telephone support, online technical support, customized support, and/or technical expertise which are charged commercially.

NOTE: Subject to Cooperative Purchasing
596 contractors

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Contractor       Contract # Phone City, State Socio-
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ZLINK INC. 47QTCA19D00EK 978 309 3628 MAYNARD ,MA s/d
ZIBIZ CORPORATION GS-35F-0227U 631-738-1100 RONKONKOMA ,NY s/d/8a
ZENETEX, LLC GS-35F-0047U 703-657-0179 HERNDON ,VA s
YOTTA BIOMED, LLC GS-35F-267GA (240)672-3937 BETHESDA ,MD s    
YORK TELECOM CORPORATION 47QTCA20D003K (732)413-6000 EATONTOWN ,NJ s/d
YESDI INC. GS-35F-297GA (301) 919-6184 BALTIMORE ,MD s/d/8a/h
YARDI SYSTEMS, INC. GS-35F-0731P 800-866-1124 X-1049 SANTA BARBARA ,CA o
XYBION CORPORATION GS-35F-120CA 609-512-5790 LAWRENCEVILLE ,NJ s
XMEDIUS AMERICA, INC. GS-35F-0248R 9496992328 BOTHELL ,WA s
XENDEE CORPORATION GS-35F-529BA 858-205-5055 SAN DIEGO ,CA s
XATOR CORPORATION GS-35F-0628Y 5712877610 RESTON ,VA s
XA SYSTEMS, LLC GS-35F-0181N 703-766-5049 MCLEAN ,VA s/d
WTI HOLDINGS LLC GS-35F-0458U (614) 453-4003 TULSA ,OK s
WORLD WIDE TECHNOLOGY, LLC GS-35F-400GA 314-919-1549 SAINT LOUIS ,MO o
WINVALE GROUP, LLC (THE) GS-35F-0074S 2022965505 RESTON ,VA s
WINN SOLUTIONS, LLC GS-35F-0334X 800-806-6884 CHULA VISTA ,CA s/w/wo/d  
WINGSWEPT, LLC GS-35F-0218X 9196005102 GARNER ,NC s/v
WILDFLOWER INTERNATIONAL, LTD. GS-35F-0443L 505-466-9111 SANTA FE ,NM s/w/h
WIDEPOINT CYBERSECURITY SOLUTIONS CORPORATION 47QTCA19D009F 7033495644 FAIRFAX ,VA o
WEXLER TECHNICAL SOLUTIONS INCORPORATED GS-35F-0120W 3012964466 ROCKVILLE ,MD s
WESTWIND COMPUTER PRODUCTS, INC. 47QTCA20D003F 703-479-5839 ALBUQUERQUE ,NM s/w/wo/h  
WEB HOUSE, INC. GS-35F-0091V 516-764-6300 GARDEN CITY ,NY s/dv
WAVERLEY LABS, L.L.C. GS-35F-047GA 800-401-5180 LEESBURG ,VA s/w/wo
WAVECREST COMPUTING, INC. GS-35F-0212L 321-953-5351 X-1230 MELBOURNE ,FL s
WAGGL, INC. GS-35F-006HA 415-747-4848 SAUSALITO ,CA s/d
VOICEMETRIX CORPORATION GS-35F-0683M 410-795-7975 SYKESVILLE ,MD s
VOICE PRODUCTS, INC. GS-35F-0126Y 316-616-1111 WICHITA ,KS s
VITECH CORPORATION GS-35F-407BA 540-951-3322 BLACKSBURG ,VA s
VISIONARY INTEGRATION PROFESSIONALS LLC 47QTCA20D00F1 (916)985-9625 FOLSOM ,CA o    
VISIONARY INTEGRATION PROFESSIONALS LLC GS-35F-0050L (916) 608-8331 FOLSOM ,CA o
VIRTUAL CORPORATION, INC GS-00F-0003V 973-804-0676 BAR HARBOR ,ME s
VION CORPORATION 47QTCA20D006P 571-353-6050 HERNDON ,VA o
VION CORPORATION GS-35F-0739M 571-353-6050 HERNDON ,VA s
VINSYS INFORMATION TECHNOLOGY, INC GS-35F-211GA 7033714120 RESTON ,VA s/d/8a
VIDIZMO LLC GS-35F-432GA 5719692180 TYSONS ,VA s/d
VERTOSOFT LLC GS-35F-688GA 703-568-4703 LEESBURG ,VA s
VENTRAQ CORPORATION GS-35F-0535L 3017213062 ROCKVILLE ,MD s
VECNA TECHNOLOGIES, INC. GS-35F-0363L 617-674-8247 BURLINGTON ,MA s
VASKE COMPUTER INC GS-35F-535BA (651)366-6446 SAINT PAUL ,MN s/dv
VALOR SYSTEMS, INC. 47QTCA18D006D 630-323-1911 NAPERVILLE ,IL s/w/wo
UPSTATE WHOLESALE SUPPLY, INC. GS-35F-290GA 585-869-6010 VICTOR ,NY s/d
UNISTAR-SPARCO COMPUTERS, INC. 47QTCA20D0053 901-872-2272 MILLINGTON ,TN s/d  
UNISTAR-SPARCO COMPUTERS, INC. GS-35F-0218M (901) 872-2272 MILLINGTON ,TN s/d/8a
UNISON SOFTWARE, INC. 47QTCA19D00EP 571-449-4065 DULLES ,VA o
UNIQUE COMMUNICATIONS SOLUTIONS GS-35F-266GA 702-372-0057 HENDERSON ,NV s
UNICOM SYSTEMS INC. GS-35F-0234S (818)838-0606 MISSION HILLS ,CA o
UNICOM GOVERNMENT, INC. GS-35F-0290X 703-502-2000 CHANTILLY ,VA o
UFA, INC. 47QTCA19D00JH 781-365-1281 BURLINGTON ,MA s
UFA, INC. GS-35F-0010N 301-216-2717 BURLINGTON ,MA s
U S COMPUTERS INC GS-35F-0423N 800-550-8783 PLACENTIA ,CA s/w
TYGART TECHNOLOGY INC GS-35F-0619V 304-363-6855 FAIRMONT ,WV s
TWINENGINES INC. GS-35F-0482R 404-522-4262 ATLANTA ,GA s
TVAR SOLUTIONS, LLC GS-35F-0438T 703-635-3911 MCLEAN ,VA s
TURNING POINT GLOBAL SOLUTIONS, L.L.C. GS-35F-0528P 3017951655 ROCKVILLE ,MD o
TURN-KEY TECHNOLOGIES, INC GS-35F-0644P 732-553-9100 SAYREVILLE ,NJ s
TROFHOLZ TECHNOLOGIES, INC. GS-35F-0400R 916-788-8927 ROCKLIN ,CA s/w/wo/ew/dv/d
TRITECH SOFTWARE SYSTEMS GS-35F-0006U 6192463878 LAKE MARY ,FL o
TRISECTRIX LLC GS-35F-276AA 7705164853 WOODSTOCK ,GA s
TRINET MEDICAL, LLC 47QTCA20D002H 908-575-7304 BRIDGEWATER ,NJ s
TRIMBLE INC. GS-35F-0001V 303-635-8566 SUNNYVALE ,CA o
TRIDENT SERVICES, INC. GS-35F-0807N 831-465-7661 CAPITOLA ,CA s
TRIAD TECHNOLOGY PARTNERS, LLC GS-35F-0298W 804-814-0384 CHARLOTTESVILLE ,VA s/w/wo
TRAFFICLAND, INC. GS-35F-0040T 703-591-1933 FAIRFAX ,VA s
TOWNSEND SECURITY, INC 47QTCA18D007K (360)359-4400 OLYMPIA ,WA s    
TMA SYSTEMS, L.L.C. GS-35F-0702V 918-858-6600 TULSA ,OK s
TINFOIL SECURITY INC 47QTCA18D002E (603)957-2822 MOUNTAIN VIEW ,CA s/d  
THREE WIRE SYSTEMS, LLC GS-35F-0300T 703-776-9731 FALLS CHURCH ,VA s/dv
THERMOPYLAE SCIENCES & TECHNOLOGY LLC GS-35F-0084V 7034368562 ARLINGTON ,VA s/dv
THE ZOLDAK GROUP INC GS-35F-0650S 703-768-8615 ALEXANDRIA ,VA s
THE LIBRARY CORPORATION GS-35F-0270X 8003257759 INWOOD ,WV s/w
TERA CONSULTING INC 47QTCA18D00C3 516-732-1888 LEVITTOWN ,NY s/w/wo/ew/d/8a
TENZING CORP GS-35F-0279X (602)791-4866 SEBASTOPOL ,CA s  
TENON, LLC 47QTCA20D00E7 443-875-7343 GLEN BURNIE ,MD s/d
TELOS CORPORATION GS-35F-162DA (800) 70-TELOS ASHBURN ,VA o
TELEDYNE DIGITAL IMAGING, INC 47QTCA20D00EH (506)458-8533 FREDERICTON ,NB
CANADA
o    
TELECOMMUNICATION SYSTEMS, INC. GS-35F-007HA (410) 280-1052 ANNAPOLIS ,MD o
TEKSOUTH CORPORATION GS-35F-717GA (205) 631-1500 GARDENDALE ,AL s
TECSYS INC GS-35F-093AA 514-886-0001 MONTREAL ,PQ
CANADA
o
TECHSOLNZ LLC 47QTCA18D0013 7326872123 TINTON FALLS ,NJ s/d
TECHNOSOFT INC GS-35F-0616P 5139859877 CINCINNATI ,OH s
TECHNOLOGY SOLUTIONS PROVIDER, INC. GS-35F-0128Y 703-868-7790 RESTON ,VA s/d/8a
TECHNICAL COMMUNITIES, INC. GS-35F-0311R (888) 665-2765 SAN BRUNO ,CA s
TECH DATA GOVERNMENT SOLUTIONS, LLC GS-35F-0349S 202-903-8856 MCLEAN ,VA o
TAPHERE! TECHNOLOGY, LLC 47QTCA18D003K 703-334-4147 MANASSAS ,VA s
TADIRAN TELECOM, INC. 47QTCA19D00D7 678-506-7203 KENNESAW ,GA s
TACTICAL DIGITAL CORPORATION GS-35F-0480R 703 229-6236 SPRINGFIELD ,VA s
SYSTRAN SOFTWARE, INC. GS-35F-0364V 858-457-1900 SAN DIEGO ,CA s
SYSTEMS INTEGRATION, INC. GS-35F-295DA 240-764-1093 HYATTSVILLE ,MD s
SYSTEMS EXCHANGE, INC. GS-35F-0321M 831-649-3800 MONTEREY ,CA s
SYSTEMS ATLANTA, INC. GS-35F-0332Y 7709280240 KENNESAW ,GA s
SYSTEMATIC INC. 47QTCA19D00JV 703-385-7522 CENTREVILLE ,VA o
SYSTEMATES, INC. 47QTCA20D002T 214-217-4100 RICHARDSON ,TX s/d
SYSOREX GOVERNMENT SERVICES, INC. GS-35F-210DA (703) 955-4634 HERNDON ,VA s
SYNNEX CORPORATION 47QTCA19D00MM 8643494713 GREENVILLE ,SC o
SYNNEX CORPORATION GS-35F-0563U 703-345-5279 CHANTILLY ,VA o
SYNCSORT INCORPORATED 47QTCA18D003Y 201-930-8208 PEARL RIVER ,NY o
SWISH DATA CORPORATION GS-35F-0563X 201-688-0660 MCLEAN ,VA o
SUSTEEN INC GS-35F-0041S (949) 341-0007 IRVINE ,CA s
SUMMIT GOVERNMENT GROUP, LLC GS-35F-0085U 301-975-9703 ROCKVILLE ,MD s
STRATEGIC TECHNOLOGY INSTITUTE INC 47QTCA19D009P 301-770-7077 ROCKVILLE ,MD s/d
STONS INC GS-35F-153GA 6468755499 EDISON ,NJ s
STARRY ASSOCIATES, INC. 47QTCA20D00DG 443-378-5855 ANNAPOLIS ,MD s/w/wo
STARBOARD CONSULTING, LLC 47QTCA19D00MW 407-622-6414 LONGWOOD ,FL s/w/wo
SPOK INC GS-35F-0262T 443-305-6145 SPRINGFIELD ,VA s
SPLASH BUSINESS INTELLIGENCE, INC. 47QTCA19D008Y 678-534-3962 DULUTH ,GA s/d
SPIN SYSTEMS INC. GS-35F-0598N (571)434-7898 FALLS CHURCH ,VA s  
SPHERA SOLUTIONS, INC. GS-35F-567GA 703-771-1323 CHICAGO ,IL o
SPECTRUM CENTER INC. GS-35F-0292N 703-848-4750 MCLEAN ,VA s
SPACESAVER SYSTEMS, INC. GS-35F-092AA 240-283-1961 KENSINGTON ,MD s/w/wo
SOUTHLAND TECHNOLOGY, INC. GS-35F-0351N 858-694-0932 SAN DIEGO ,CA s
SOUTHERN COMPUTER WAREHOUSE, INC. GS-35F-0492R 770-579-8927 MARIETTA ,GA s
SOLVER, INC. GS-35F-349GA 3108614449 LOS ANGELES ,CA s/d
SOLIPSYS CORPORATION GS-35F-0069L 240-554-8188 FULTON ,MD o
SOFTWRIGHT, LLC GS-35F-0530R 800-728-4033 CHARLOTTESVILLE ,VA s
SOFTWARE INFORMATION RESOURCE CORP. GS-35F-0149N 202-536-2800 WASHINGTON ,DC s/w/d/h
SOFTWARE AG GOVERNMENT SOLUTIONS INC. GS-35F-039BA 7039499541 HERNDON ,VA o
SOFTCHOICE CORPORATION GS-35F-0196M 877-333-7638 CHICAGO ,IL o
SOARING SOFTWARE SOLUTIONS, INC. GS-35F-542GA 419-442-7676 SWANTON ,OH s/v
SNAP SURVEYS NH, INC. GS-35F-0173X 6036108700 PORTSMOUTH ,NH o
SLAM TECHNICAL SERVICES, LLC 47QTCA19D00FP 5404464008 LEESBURG ,VA s/w/wo/ew/d
SKYLINE ULTD, INC. 47QTCA19D007V 703-373-8258 ROUND ROCK ,TX s
SKYLINE SOFTWARE SYSTEMS, INC. GS-35F-0905P 703-378-3780 HERNDON ,VA s
SITA BUSINESS SYSTEMS, INC. GS-35F-0256T (571)221-0849 CHANTILLY ,VA s
SIMULYZE, INC GS-35F-0512Y 703-391-7001 X263 RESTON ,VA s
SIMIO LLC 47QTCA19D008W 412-265-1425 SEWICKLEY ,PA s
SIMIGON, INC GS-35F-0055Y 4079515548X200 MAITLAND ,FL s
SIMAUTHOR, INC. GS-35F-0603L 571-512-0376 HUNTSVILLE ,AL o
SIGNATURE TECHNOLOGY SOLUTIONS, INC. GS-35F-0349R 734-453-8800 FARMINGTON ,MI s/d/8a
SIEMENS GOVERNMENT TECHNOLOGIES, INC. GS-35F-0696M 703-483-2036 RESTON ,VA o
SFS CHEMICAL SAFETY, INC. GS-35F-0823R 5105941000 EMERYVILLE ,CA s/w/wo/ew/d/8a
SEQUOIA HOLDINGS, INC. GS-35F-516GA 571-267-7945 X240 RESTON ,VA s/d
SEMANTIC AI, INC. GS-35F-0421T 305-606-8013 SAN DIEGO ,CA s
SELECTUS CONSULTING LLC GS-35F-0278N 937-644-8562 MARYSVILLE ,OH s/w/d
SEATTLE SOFTWARE LTD. GS-35F-085CA 212-634-9535 LONDON ,
UNITED KINGDOM
o
SEASPACE CORPORATION GS-35F-174BA 858-746-1138 POWAY ,CA s
SCIENTIFIC TECHNOLOGIES CORPORATION GS-35F-0548S 480-745-8515 PHOENIX ,AZ s/v
SAVI TECHNOLOGY INC GS-35F-410AA (571)227-7918 ALEXANDRIA ,VA o  
SANBORN MAP COMPANY, INC., THE GS-35F-0423S (719) 264-5510 COLORADO SPRINGS ,CO o
SANAMETRIX, INC. GS-35F-0329Y 571-500-3136 ARLINGTON ,VA s/d/8a
SAGE PURSUITS, INC. 47QTCA18D002X 303-914-9797 EXT 104 GREENWOOD VILLAGE ,CO s/w/wo/d
SAFE SOFTWARE INC GS-35F-0254T 604-501-9985 SURREY ,BC
CANADA
o
S S R ENGINEERING, INCORPORATED GS-35F-0329M 714-229-9020 PLACENTIA ,CA s
ROME RESEARCH CORPORATION GS-35F-0814N 315-356-2266 ROME ,NY o
ROH INC 47QTCA19D002P 703-412-4757 ARLINGTON ,VA s
RIVERA CONSULTING GROUP INC. GS-35F-161BA 812-246-4055 JEFFERSONVILLE ,IN s/dv/d
RIMAGE CORPORATION GS-35F-0537P 952-683-7822 GOLDEN VALLEY ,MN s
RIGIL CORPORATION GS-35F-101BA 7034362737 WASHINGTON ,DC s/w/wo/ew/d/8a
RIGHTSTAR, INC. GS-35F-0592R 7032427200 VIENNA ,VA s
RICOH USA, INC. GS-35F-0173V 6104074951 EXTON ,PA o
RICHLYND FEDERAL, LLC GS-35F-458DA 703-354-1502 ALEXANDRIA ,VA s/w/wo/d
RF LOGISTICS, LLC GS-35F-0383X (571)216-0236 FAIRFAX ,VA s/v  
REVA SOLUTIONS INC 47QTCA20D0097 2066176426 SEATTLE ,WA s/d
RESEARCH INNOVATIONS INCORPORATED GS-35F-284DA 703-599-2672 ALEXANDRIA ,VA s
RELIASOURCE, INC. GS-35F-320BA 410-690-3000 BALTIMORE ,MD s/w/d/8a/h
RELIABLE GOVERNMENT SOLUTIONS INCORPORATED GS-35F-0218V 301-572-4190 GREENBELT ,MD s/d/8a
REDHAWK IT SOLUTIONS LLC GS-35F-0280Y 7034909192 WOODBRIDGE ,VA s/dv/d/8a
RED RIVER TECHNOLOGY LLC GS-35F-260CA 571-353-6332 CLAREMONT ,NH o
REALIZATION TECHNOLOGIES, INC. GS-35F-279AA 408-271-1720 SUNNYVALE ,CA s
RE DISCOVERY SOFTWARE, INC. GS-35F-0241N 434.975.3256 X 270 CHARLOTTESVILLE ,VA s
RAYTHEON COMPANY GS-35F-204GA 571-250-3832 WALTHAM ,MA o
RAXAR TECHNOLOGY CORPORATION 47QTCA19D006T 877-710-0077 TAMPA ,FL s/d
RADIANT RFID LLC GS-35F-0386V 512-879-1002 AUSTIN ,TX s/w
R & K SOLUTIONS, INC. 47QTCA18D001Z 540-343-7300 ROANOKE ,VA s
QWEST GOVERNMENT SERVICES INC
(DBA: CENTURYLINK QGS)
GS-35F-0208L 913-213-5299 ARLINGTON ,VA o
QUESTIONMARK CORPORATION GS-35F-0380Y 203-941-3482 TRUMBULL ,CT s
QUANTUMPM, INC. GS-35F-0665R 720-227-0247 LITTLETON ,CO s/w
QUANTUM SPATIAL, INC. 47QTCA18D001X 719-375-1452 SAINT PETERSBURG ,FL o
QUANTITECH INC 47QTCA20D0088 256-799-0669 HUNTSVILLE ,AL o
QUALITY ASSOCIATES, INC. GS-35F-0062N 410-884-9100 FULTON ,MD o
PROTIVITI GOVERNMENT SERVICES, INC. GS-35F-0280X 7032993444 ALEXANDRIA ,VA o
PROMODEL CORPORATION GS-35F-0174T (860)608-5389 OREM ,UT s    
PROMARK TECHNOLOGY, INC. GS-35F-303DA (800)634-0255 ANNAPOLIS JUNCTION ,MD o
PROGRESSIVE TECHNOLOGY FEDERAL SYSTEMS, INC. 47QTCA19D005Y (301)654-8088 ROCKVILLE ,MD s
PROGRAMMATICS ENGINEERING GROUP, INC. GS-35F-455BA 202 716-8596 WASHINGTON ,DC s/w/wo/v/h
PROFESSIONAL SYSTEMS ASSOCIATES, INC GS-35F-0473S 850-763-2192 PANAMA CITY BEACH ,FL s/v
PROFESSIONAL PROJECT SERVICES, INC. GS-35F-087DA 865.220.4377 OAK RIDGE ,TN o
PROFESSIONAL INFORMATION SYSTEMS INC GS-35F-0117Y 219-947-4349 HOBART ,IN s/w/wo
PROFESSIONAL DOCUMENT SYSTEMS GS-35F-0118V (915)-593-3100 EL PASO ,TX s
PROFESSIONAL COMPUTING RESOURCES INC GS-35F-0630V (703)488-9368 ANCHORAGE ,AK s/d  
PRODIGO SOLUTIONS, INC. 47QTCA19D0021 7247411910 CRANBERRY TOWNSHIP ,PA s
PRODIGIQ INC 47QTCA18D005S 8188790035 THOUSAND OAKS ,CA s/w/wo/d
PRISM COMMUNICATIONS, INC. GS-35F-0088M (443)539-3743 COLUMBIA ,MD s/v/d  
PRIME SOURCE TECHNOLOGIES, LLC GS-35F-0480T 202-628-3339 WASHINGTON ,DC s/d/h
PREMIER DATA SERVICES, INC 47QTCA19D001D 303.377.0033 ENGLEWOOD ,CO o
PRECISE DIGITAL, LLC GS-35F-148DA 859-514-6506 QUEEN CREEK ,AZ s
POWER ANALYTICS CORPORATION GS-35F-651GA 919-424-5159 RALEIGH ,NC s
PLEXUS SCIENTIFIC CORPORATION 47QTCA19D00MH 571-527-1214 ALEXANDRIA ,VA s
PLATFORM 3 SOLUTIONS, LLC 47QTCA19D00DN (714)222-1837 MINNETONKA ,MN s    
PLANMATICS INC. GS-35F-0270W 3019877441 GAITHERSBURG ,MD s/d
PLANET ASSOCIATES, INC. GS-35F-0928N 201-693-8700 PARK RIDGE ,NJ s/v
PICIS CLINICAL SOLUTIONS, INC. GS-35F-0589X 781-557-3000 WAKEFIELD ,MA o
PERSONABLE.COM, INC. 47QTCA18D005U 7144306944 FOUNTAIN VALLEY ,CA s/d
PERFORMAX 3, INC GS-35F-0077R 1.888.752.6299 CLEARWATER ,FL s
PENIEL SOLUTIONS, LLC GS-35F-0411R 678-735-4791 DULUTH ,GA s/w/d/8a
PENBAY SOLUTIONS LLC GS-35F-0490X (207) 230-0182 EXT TOPSHAM ,ME s
PCMG, INC. GS-35F-681GA 703-594-8122 EL SEGUNDO ,CA o
PCI GEOMATICS USA INC. GS-35F-0182R 8663070313 ARLINGTON ,VA s
PC SPECIALISTS, INC. 47QTCA18D002U 208-378-8886 X 2314 SAN DIEGO ,CA s
PARAGON MICRO INC. GS-35F-0316X 703-268-2661 LAKE ZURICH ,IL s
PALISADE CORPORATION GS-35F-0432S 607 277-8000 EXT. 33 ITHACA ,NY s
PALANTIR TECHNOLOGIES INC. GS-35F-0086U 650-815-0217 PALO ALTO ,CA o
PACKET FORENSICS, LLC GS-35F-0651W 4105142088 VIRGINIA BEACH ,VA s
OVERWATCH SYSTEMS, LTD. GS-35F-0616X 406-829-5274 STERLING ,VA o
OTT HYDROMET CORP GS-35F-0538U 6505921742 STERLING ,VA s
OSI FEDERAL TECHNOLOGIES INC. 47QTCA20D006H 571-210-4456 CHANTILLY ,VA s/v/d/8a
OSAM DOCUMENT SOLUTIONS INC. GS-35F-057AA 919-439-2870 KING OF PRUSSIA ,PA o
ORIGINLAB CORPORATION GS-35F-0069S 413-586-2013 NORTHAMPTON ,MA s
ORBIS TECHNOLOGIES, INC. GS-35F-0564Y 443-569-6702 ANNAPOLIS ,MD s/v
OPENLM LTD GS-35F-543GA 972-4-6308447 PARDESIYA ,
ISRAEL
o    
ONYX POINT, INC. GS-35F-086GA 4438031826 HANOVER ,MD s
ONIX NETWORKING CORP. 47QTCA18D00EA 800-664-9638 LAKEWOOD ,OH s
OBJECTIVITY, INC. GS-35F-0119R 408-992-7191 SAN JOSE ,CA s
OBJECTIVE INTERFACE SYSTEMS, INC. GS-35F-0169W 7032956500 HERNDON ,VA s
OAKLAND CONSULTING GROUP, INC. GS-35F-0539L 3015774111 EXT 246 LANHAM ,MD s/d
NOVETTA, INC. 47QTCA19D005U 571-282-3000 MCLEAN ,VA o
NORTHWIND VENTURES INC. 47QTCA19D009H 917-509-1964 VERNON ,NJ s
NORSEMAN, INC. GS-35F-334DA 410-579-8600 ELKRIDGE ,MD s
NMS IMAGING, INC. 47QTCA18D0090 (240)645-4248 SILVER SPRING ,MD s
NEXTAXIOM TECHNOLOGY INC. GS-35F-0643Y 415-637-1580 SAN FRANCISCO ,CA s
NEXT PHASE SOLUTIONS, LLC 47QTCA19D001R 407-440-1411 OVIEDO ,FL s
NEW TECH SOLUTIONS, INC. 47QTCA19D00CX 510-353-4070 FREMONT ,CA s/d
NEW TECH SOLUTIONS, INC. GS-35F-0791N 510-353-4070 FREMONT ,CA s
NEW COMPUTECH, INC. GS-35F-0203V 212-406-1801 NEW YORK ,NY s/w
NEW CENTURY TECHNOLOGIES, INC. GS-35F-0318V 800-457-4313 SAN DIEGO ,CA s/w/ew/d/8a
NEUBRAIN LLC GS-35F-0536S 301-296-4477 ROCKVILLE ,MD s/w/wo
NETWORK SPECIALTY GROUP, INC. GS-35F-0381L 301-208-9388 GAITHERSBURG ,MD s/d
NETIKUS.NET LTD. GS-35F-0170U 312-624-7698 CHICAGO ,IL s
NETCOMM INC GS-35F-0564P 301-979-7456 ROCKVILLE ,MD s/w/wo
NCR GOVERNMENT SYSTEMS LLC GS-35F-0082V 301-580-7799 GERMANTOWN ,MD o
NC4 PUBLIC SECTOR LLC GS-35F-0204T 781-859-4094 PASADENA ,CA s
NAMTEK CORP. GS-35F-0367V 603-488-6600 BEDFORD ,NH s/dv
MYTHICS, INC. GS-35F-0153M 757-412-4362 VIRGINIA BEACH ,VA s
MYRIAD SOLUTIONS, INC. GS-35F-469AA 3014769190 FULTON ,MD s/d
MVATION WORLDWIDE INC. 47QTCA18D009F 4086885060 FREMONT ,CA s/d
MUTUAL TELECOM SERVICES INC. GS-35F-0905R 703-885-7826 HERNDON ,VA o
MUMPS AUDIOFAX INC
(DBA: AUDIOCARE SYSTEMS)
GS-35F-0821M 610-293-2160 WAYNE ,PA s/w
MTS INTEGRATRAK GS-35F-0088X 508-628-4510 RIVER EDGE ,NJ o
MTI SYSTEMS, INC. 47QTCA19D008N 518-894-2538 GREENBELT ,MD s/w/wo
MOUNT AIREY GROUP, INC. GS-35F-276DA 7039884715 ANNANDALE ,VA s/d
MONSTER GOVERNMENT SOLUTIONS, LLC GS-35F-0609V (703)270-7164 MC LEAN ,VA o
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MINBURN TECHNOLOGY GROUP, LLC GS-35F-309AA 703-626-0284 GREAT FALLS ,VA s/dv
MILLENNIUM GROUP INT'L LLC, THE GS-35F-375BA 703-477-7929 RESTON ,VA s/w/wo/dv
MICROTECHNOLOGIES LLC GS-35F-0629R 703-891-1073 VIENNA ,VA s/dv
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MEGA NA, INC. GS-35F-0031T 781-784-7684 RAYNHAM ,MA o
MEDTEL SERVICES, LLC GS-35F-0399Y 941-751-7735 PALMETTO ,FL s
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ELITEBCO LLC 47QTCA20D002V 7874608139 SAN JUAN ,PR s/d/8a/h
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EDUCE GROUP, INC., THE GS-35F-0583W 3017603007 BETHESDA ,MD s
EDUCATION MANAGEMENT SOLUTIONS, LLC GS-35F-227BA 6107017002 EXTON ,PA s/d
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DIVINE IMAGING INC. GS-35F-0422T 310-579-4000 MALIBU ,CA s/w/d
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DIAGENIX CORPORATION GS-35F-0638R 781-616-2005 NORWELL ,MA s
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DATAGAPS INC. 47QTCA18D00B8 (512)508-9732 STERLING ,VA s/d    
DATA INNOVATIONS LLC GS-35F-389DA 802-264-3429 SOUTH BURLINGTON ,VT s
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COMPUWARE CORPORATION 47QTCA18D0038 313-227-7300 DETROIT ,MI o
COMPUTRITION, INC. GS-35F-0037M 800-222-4488 CANOGA PARK ,CA o
COMPUTERIZED INVENTORY SYSTEMS SPECIALISTS, LTD. GS-35F-0488W 610-266-7200 WHITEHALL ,PA s
COMPUTER SOLUTIONS EAST INC. 47QTCA19D00B5 914-355-5800 NEW ROCHELLE ,NY s
COMPUSULT LIMITED GS-35F-0373P (709)745-7914 MOUNT PEARL ,NL
CANADA
s  
COMPULINK TECHNOLOGIES, INC. GS-35F-0820R 212-695-5465 NEW YORK ,NY s
COMPU-GEN TECHNOLOGIES, INC GS-35F-470AA (570)323-8841 WILLIAMSPORT ,PA s/h  
COMPONENTSOURCE, INC. GS-35F-0188R (770) 250-6110 WOODSTOCK ,GA s
COMPETITIVE INNOVATIONS, LLC 47QTCA20D0055 703-698-5000 ARLINGTON ,VA s/h
COMPETITIVE INNOVATIONS, LLC GS-35F-0550N 703-698-5000 ARLINGTON ,VA s/h
COMPANION DATA SERVICES, LLC GS-35F-0530Y 803-264-2312 COLUMBIA ,SC o
COMMUNICATIONS PROFESSIONALS INC. GS-35F-0033N 248-557-0100 X 103 TROY ,MI s/d
COMMUNICATIONS INTERNATIONAL, INC. 47QTCA18D005T 772-321-4103 VERO BEACH ,FL s
COMMAND TECHNOLOGY INC GS-35F-497BA 860-445-0156 EXT 100 GROTON ,CT s/w
COLYAR TECHNOLOGY SOLUTIONS, LLC GS-35F-0516V 6232091700 SCOTTSDALE ,AZ s/d
COLUMN TECHNOLOGIES, LLC GS-35F-0660M 630-515-6660 LOMBARD ,IL s
COLOSSAL CONTRACTING, LLC GS-35F-0336Y 571-354-1411 ANNAPOLIS ,MD s/dv
COLLECTOR SYSTEMS, LLC GS-35F-131DA 2124310897 NEW YORK ,NY s
CODEMETTLE, LLC 47QTCA20D002B 678-336-8590 ATLANTA ,GA s
COBBLESTONE SYSTEMS CORP GS-35F-0186W 8565046907 LINDENWOLD ,NJ s/w/d
CMA TECHNOLOGY, INC. GS-35F-0550U 703-917-7725 VIENNA ,VA s
CLINICOMP INTERNATIONAL, INC. GS-35F-0475L 858-546 8202 SAN DIEGO ,CA s
CLEO COMMUNICATIONS, INC GS-35F-0305S 815-282-7620 ROCKFORD ,IL s
CHEVIN FLEET SOLUTIONS LLC GS-35F-0721R 781-793-0788 FITCHBURG ,MA s
CHARLES RIVER ANALYTICS, INC. GS-35F-0577T (617)491-3474 CAMBRIDGE ,MA s  
CGI FEDERAL INC. GS-35F-0504L 703-227-4882 FAIRFAX ,VA o
CGI FEDERAL INC. GS-35F-281DA 703-227-4882 FAIRFAX ,VA o
CENSIS TECHNOLOGIES, INC GS-35F-0462X 615-468-8019 FRANKLIN ,TN s
CCG SYSTEMS, INC. GS-35F-0251U 800-753-2783 VIRGINIA BEACH ,VA s/d
CBORD GROUP, INC.,THE GS-35F-0659W 607-257-2410 ITHACA ,NY s
CATAPULT SYSTEMS, LLC GS-35F-0613W 2105819977 AUSTIN ,TX o
CATALYST COMMUNICATIONS TECHNOLOGIES, INC. GS-35F-0633V 4345826146 FOREST ,VA s
CAST SOFTWARE, INC. GS-35F-0649S 212-871-8345 NEW YORK ,NY o
CARTOPAC INTERNATIONAL, INC GS-35F-0400W 970-692-5182 FORT COLLINS ,CO s
CARAHSOFT TECHNOLOGY CORPORATION GS-35F-0119Y (703)871-8500 RESTON ,VA o
CAPTURE TECHNOLOGIES, INC. GS-35F-0190U 703-425-3833 OAKLAND ,CA s
CAPITAL MANAGEMENT GROUP, INC. 47QTCA19D002E 562-716-8603 LONG BEACH ,CA s/w/wo
CALYTERA US, INC. GS-35F-0069U 613-230-7890 AUSTIN ,TX s
CACI NSS, INC. GS-35F-349CA 703.679.3866 CHANTILLY ,VA o
C4 PLANNING SOLUTIONS, LLC GS-35F-0203U 7065923095 BLYTHE ,GA o
BY LIGHT PROFESSIONAL IT SERVICES LLC GS-35F-0308U 703-224-1000 MCLEAN ,VA o
BUFFALO COMPUTER GRAPHICS, INC. GS-35F-531BA 716-822-8668 BUFFALO ,NY s/v
BT FEDERAL INC 47QTCA18D00EW 7038606354 RESTON ,VA o
BRUIN GROUP, LLC 47QTCA20D00DH (212)607-2150 NEW YORK ,NY o
BRITE SYSTEMS INCORPORATED 47QTCA20D0091 317-250-6988 INDIANAPOLIS ,IN s/w/wo/ew/d/8a
BOWLINE SOLUTIONS, INC. GS-35F-0684M (571)274-6060 HERNDON ,VA s  
BLUE TECH INC. 47QTCA18D00GX 800.456.1410 SAN DIEGO ,CA s/w/wo/h
BLUE RIVER INTERACTIVE GROUP, INC. GS-35F-0510Y (916)608-8608 SACRAMENTO ,CA s  
BLUE RIDGE NETWORKS, INC. GS-35F-0678N 703-631-0700 CHANTILLY ,VA s
BLACKBOARD INC. GS-35F-0554M 202-303-9333 RESTON ,VA o
BIZFLOW CORP. GS-35F-250BA 703-645-4562 FALLS CHURCH ,VA s
BITSCOPIC INC GS-35F-362CA 2066583634 PALO ALTO ,CA s
BIO-OPTRONICS, INC GS-35F-378BA (585)272-1960 ROCHESTER ,NY s  
BIAS CORPORATION GS-35F-0558U 7706856215 ROSWELL ,GA s
BETTER DIRECT, LLC GS-35F-0503X 480-921-3858 TEMPE ,AZ s/dv/d/h
BENTLEY SYSTEMS, INCORPORATED GS-35F-0453L 610-213-0176 EXTON ,PA o
BELARC INC GS-35F-0003M 9784611106 MAYNARD ,MA s
BARCODES LLC GS-35F-0429P 877-356-9966 CHICAGO ,IL o
BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC. GS-35F-351DA 858-592-5174 SAN DIEGO ,CA o
AWARE, INC. GS-35F-0062U 781-687-0373 BEDFORD ,MA s
AVID TECHNOLOGY, INC. 47QTCA19D0033 301-428-3182 WASHINGTON ,DC o
AVAYA FEDERAL SOLUTIONS, INC. GS-35F-0156V (703) 376-2063 FAIRFAX ,VA o
AVATAR PARTNERS INC GS-35F-433BA 7142261909 HUNTINGTON BEACH ,CA s/w/wo/d
AVATAR COMPUTING, INC. GS-35F-0449Y 508-459-3778 WORCESTER ,MA s/dv
AURIGO SOFTWARE TECHNOLOGIES INC. GS-35F-206BA 5122756740 AUSTIN ,TX s
ATTENTION SOFTWARE, INC GS-35F-0341U (719)591-9110 COLORADO SPRINGS ,CO s  
AT COMM CORPORATION GS-35F-0555S 650-548-5240 SAN LEANDRO ,CA s
ASSETWORKS USA, INC. 47QTCA19D00AF 412-809-0600 PITTSBURGH ,PA o
ASSETWORKS LLC GS-35F-317GA 610-225-8321 WAYNE ,PA o
ASG FEDERAL, LLC GS-35F-0456M 7034641401 HERNDON ,VA o
ASCENDANT STRATEGY MANAGEMENT GROUP, LLC GS-35F-0610X 866-568-0590 ARLINGTON ,VA s
ASC GP, INC. GS-35F-0367X 888 576-3330 EXT 5 HUNTSVILLE ,AL s
ARMEDIA LLC GS-35F-0891P 571-395-4800 VIENNA ,VA s
ARIES SECURITY, LLC 47QTCA19D001M 3023650026 WILMINGTON ,DE s
ARCANUM GROUP, INC., THE GS-35F-0029Y 303-731-1547 DENVER ,CO s/dv
APPLIED INFORMATION SCIENCES, INC. GS-35F-0279P 443-393-3548 RESTON ,VA s/v
APPLIED COHERENT TECH CORP INC GS-35F-0263N (703)742-0294 HERNDON ,VA s/d  
APPLICATION DATA SYSTEMS, INC. GS-35F-0138R 662-393-2046 SOUTHAVEN ,MS s
APERIA SOLUTIONS, INC. 47QTCA20D00EY 888-302-0296 DALLAS ,TX s
ANYLOGIC NORTH AMERICA LIMITED LIABILITY COMPANY 47QTCA18D007Q (312)635-3350 OAKBROOK TERRACE ,IL s  
ANSYS, INC. GS-35F-0639N 724-820-3730 CANONSBURG ,PA o
ANCHOR SOFTWARE, LLC GS-35F-0295Y 240-490-3058 PLANO ,TX s/w/wo
AMERICAN BUSINESS SOLUTIONS, INC. GS-35F-0409V 614-323-1086 LEWIS CENTER ,OH o
ALLIED ASSOCIATES INTERNATIONAL, INC. 47QTCA19D0096 571-284-7200 GAINESVILLE ,VA s/v
ALLIANCE TECHNOLOGY GROUP, LLC GS-35F-0324R 410-712-0270 HANOVER ,MD s/w/d
ALAMO CITY ENGINEERING SERVICES, INC. GS-35F-0598S (210) 386-7340 SAN ANTONIO ,TX s/dv/h
AINS, INC. GS-35F-576GA 301-670-2309 GAITHERSBURG ,MD s
AI SOLUTIONS, INC. GS-35F-0268R (301)306-1756 LANHAM ,MD o
AGILQUEST CORPORATION GS-35F-470BA 804-474-4908 RICHMOND ,VA s/v
AGILOFT, INC. GS-35F-0585U 650-587-8615 REDWOOD CITY ,CA s/w
AGILITECH SOLUTIONS LLC 47QTCA20D0005 (970)829-8103 CLAYTON ,NC s/dv/d
AGENCYQ, INC. 47QTCA18D0056 (202)776-9090 WASHINGTON ,DC s  
AGATE SOFTWARE INC GS-35F-420AA 5173362540 OKEMOS ,MI s/d
AFFIGENT, LLC GS-35F-0509S 703-766-6260 HERNDON ,VA s/d/8a
AECOM TECHNICAL SERVICES, INC. 47QSWA19D006S 619-610-7617 LOS ANGELES ,CA o
ADVANTAGED SOLUTIONS, INC. GS-35F-0926R 202 204 3083 WASHINGTON ,DC s/h
ADVANTAGE TECHNOLOGIES, INC. GS-35F-0435Y 866.730.1700 ARMONK ,NY s/d
ADVANCED TECHNOLOGIES GROUP, LLC GS-35F-0006R 515-221-0095 SAINT LOUIS ,MO o
ADVANCED COMPUTER CONCEPTS, INC. 47QTCA19D00JU 5713954174 MC LEAN ,VA s/w/wo
ADVANCED COMPUTER CONCEPTS, INC. GS-35F-0202N 7032471774 MC LEAN ,VA s/w
ADVANCED C4 SOLUTIONS, INC. GS-35F-129BA 8139837463 TAMPA ,FL s/dv/d
ADERAS, INC. GS-35F-0703V 602-432-6979 RESTON ,VA s
ACUSTAF DEVELOPMENT CORP GS-35F-0408X 952-831-4122 BLOOMINGTON ,MN s
ACUMEN SOLUTIONS, INC. 47QTCA19D00BB 703-600-4144 MCLEAN ,VA o
ACUMEN SOLUTIONS, INC. GS-35F-0287P 703-600-4144 MCLEAN ,VA o
ACTIVU CORPORATION
(DBA: ACTIVU)
GS-35F-0632N 973-366-5550 ROCKAWAY ,NJ s
ACISS SYSTEMS, INC. GS-35F-066AA 727-786-5450 OLDSMAR ,FL s
ACG SYSTEMS, INC. 47QTCA20D006L 410-224-0224 ANNAPOLIS ,MD s
ACG SYSTEMS, INC. GS-35F-0314M 410-224-0224 ANNAPOLIS ,MD s
ACE TECHNOLOGY PARTNERS LLC 47QTCA19D00A1 8479526900 ELK GROVE VILLAGE ,IL s/w/wo
ACCLAIM SYSTEMS, INC. GS-35F-0439U 2153541421 FEASTERVILLE TREVOS ,PA s
ACCESSAGILITY LLC GS-35F-0424Y 703-870-3949 EX 140 VIENNA ,VA s  
ACCESS INNOVATIONS, INC. GS-35F-0820N (505)998-0800 ALBUQUERQUE ,NM s/w  
ACCELERA SOLUTIONS, INC. GS-35F-0391P 703-389-2254 FAIRFAX ,VA s/d
ACCEL BI CORPORATION
(DBA: ACCEL BI)
GS-35F-0518W 2063722505 REDMOND ,WA s/w/wo/ew/d
ABBA TECHNOLOGIES, INC. 47QTCA20D00FH (505)889-3337 ALBUQUERQUE ,NM s/d    
A & T SYSTEMS, INC. GS-35F-247DA 240-705-7830 SILVER SPRING ,MD s