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MAS Multiple Award Schedule
Information Technology - IT Services
Category Description
54151HACS Highly Adaptive Cybersecurity Services (HACS) Includes a wide range of fields such as, the seven-step Risk Management Framework services, information assurance, virus detection, network management, situational awareness and incident response, secure web hosting, and backup, security services and,Security Operations Center (SOC) services. HACS vendors are cataloged under the 5 subcategories of High Value Asset Assessments; Risk and Vulnerability Assessments, Cyber Hunt, Incident Response, and Penetration Testing.

NOTE: Subject to Cooperative Purchasing
Risk and Vulnerability Assessment (RVA)
189 contractors

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21ST CENTURY TECHNOLOGIES INC. 47QTCA18D00KW (703)402-2542 LURAY ,VA s/h  
ABLEVETS LLC GS-35F-315DA 703-214-1258 CHANTILLY ,VA o
ADVANCED THREAT ANALYSIS INC. 47QTCA20D0014 (801)949-8323 SEVERN ,MD s/dv/h  
ALLEGIENT DEFENSE, INC. GS-35F-244BA 571-447-4482 ARLINGTON ,VA s/v/8a
ALPHA OMEGA INTEGRATION LLC GS-35F-360GA 240-601-7401 VIENNA ,VA s/w/wo/ew/d/8a
ALPHAHILL, LLC 47QTCA19D00KC 2025286343 GAITHERSBURG ,MD s/w/wo/ew/d/h
AMERICAN COMMUNICATIONS SOLUTIONS, LLC 47QTCA18D00GK 703-789-4481 FAIRFAX STATION ,VA s/dv
AMVET TECHNOLOGIES LLC GS-35F-0291X (505)670-0332 LAS VEGAS ,NV s/dv/d
AMYX, INC. GS-35F-0481L 703-373-1984 RESTON ,VA s
ANVAYA SOLUTIONS, INC. 47QTCA19D00AV 9166739300 FOLSOM ,CA s/w/wo/ew/d
APPLIED INSIGHT, LLC GS-35F-0027U 703-554-1650 TYSONS ,VA o
ARETECSBD LLC 47QTCA20D007K (703)606-3080 FAIRFAX ,VA s/d/8a
ARTEMIS FEDERAL LLC 47QTCA20D00EK 7032447690 CATONSVILLE ,MD s/w/wo/ew/d
ASSURIT CONSULTING GROUP, LLC 47QTCA18D00JZ 7039274111 FAIRFAX ,VA s/d/8a
ASSYST INC. 47QTCA19D00HL 703-230-3100 STERLING ,VA s
ATTAIN, LLC GS-35F-0534W 703-857-2172 MCLEAN ,VA o
ATTAINX INC. GS-35F-293DA 703-424-5594 BLACKSBURG ,VA s/w/wo/ew/d/8a/h
AVENING MANAGEMENT AND TECHNICAL SERVICES, LLC GS-35F-614GA 240-349-2761 LA PLATA ,MD s/w/wo/v/8a
AVINT LLC 47QTCA19D00KZ 7036789969 ALDIE ,VA s/w/wo/ew/dv/d
B&M CONSULTING GROUP, INC. GS-35F-122BA 315-884-3040 ROCKVILLE ,MD s/w/wo/ew/h
BAE SYSTEMS TECHNOLOGY SOLUTIONS & SERVICES INC. 47QTCA18D00D9 301-738-5979 ROCKVILLE ,MD o
BLUE CLOAK LLC 47QTCA19D003M 703-214-5805 STERLING ,VA s/d
BLUE GLACIER MANAGEMENT GROUP INC. GS-35F-0440W 703-791-9417 ENGLEWOOD ,CO s/dv
BOSTON GOVERNMENT SERVICES, LLC GS-35F-031GA (202)262-8098 LENOIR CITY ,TN s/d/8a
BUSINESS COMPUTERS MANAGEMENT CONSULTING GROUP (BCMC) LLC GS-35F-321AA 7037275479 FALLS CHURCH ,VA s/d/8a
BUSINESS INTEGRA TECHNOLOGY SOLUTIONS, INC GS-35F-0150W 301-474-9600 BETHESDA ,MD s/w/d
BUSINESS OPERATIONAL CONCEPTS, LLC. 47QTCA19D00CL 301-672-4818 ELLICOTT CITY ,MD s/w/wo
C2 LABS, INC. 47QTCA20D009U 202-975-0857 WASHINGTON ,DC s/d
C2 TECHNOLOGY SOLUTIONS INC. GS-35F-272GA 410-794-6792 COLUMBIA ,MD s/d/8a
CENTERPOINT INC. GS-35F-515DA 262-751-4600 LEESBURG ,VA s/w/wo/h
CLIENT/SERVER SOFTWARE SOLUTIONS, INC.
(DBA: CONSTELLATION WEST)
GS-35F-0748M 703-280-3576 FAIRFAX ,VA s/w/wo/dv/d/8a
CNF TECHNOLOGIES CORPORATION GS-35F-0662V 210-957-2800 SAN ANTONIO ,TX s/d/8a
COMPASS FEDERAL CONSULTING LIMITED LIABILITY COMPANY 47QTCA20D00DK 703-624-2796 SHAMONG ,NJ s
CREDENCE MANAGEMENT SOLUTIONS LIMITED LIABILITY COMPANY 47QTCA19D00AX (517)395-8820 VIENNA ,VA o    
CREST SECURITY ASSURANCE LLC 47QTCA18D002A 703-986-9816 WOODBRIDGE ,VA s/w/wo/d/8a
CRYSTAL MANAGEMENT, LLC 47QTCA18D00H7 703-582-4234 LEESBURG ,VA s/dv
CSIOS CORPORATION GS-35F-657GA (301) 752-2729 LA PLATA ,MD s/v/d
CUSTOMER VALUE PARTNERS, INC. 47QTCA19D00EH (703) 345.9138 FAIRFAX ,VA o
CYBER RESILIENCE GROUP INTERNATIONAL, LLC 47QTCA19D008T 202-445-3567 WASHINGTON ,DC s/dv/d
CYBER SECURITY SOLUTIONS LLC 47QTCA20D00FF 2025672781 WASHINGTON ,DC s/d/8a
CYBER STRIKE SOLUTIONS, LLC 47QTCA20D00B8 3195123195 SOUTH AMANA ,IA s/dv/d
DARK WOLF SOLUTIONS, LLC GS-35F-484DA (571) 282-3921 HERNDON ,VA s
DECISIONPOINT CORPORATION GS-35F-545GA 301-527-0330 GAITHERSBURG ,MD s/dv/d/h
DELNOVAK, LLC 47QTCA20D00AJ 6785175780 ATLANTA ,GA s/d/h
DELVIOM, LLC GS-35F-353DA 7039537067 ASHBURN ,VA s/w/wo/ew/d/8a
DEPENDABLE GLOBAL SOLUTIONS INC. GS-35F-040BA 8406589909 VIENNA ,VA s
DILIGENT CONSULTING, INC. GS-35F-0475R 210-826-9300 SAN ANTONIO ,TX s/dv
DYNAMIC SECURITY CONCEPTS, INCORPORATED 47QTCA19D00EF 609-625-3942 MAYS LANDING ,NJ s/w/wo
ECS FEDERAL, LLC GS-35F-048DA 571-232-1412 FAIRFAX ,VA o
EDC CONSULTING, LLC GS-35F-0530S 7035686808 VIENNA ,VA s/dv
EDGEWATER FEDERAL SOLUTIONS, INC. 47QRAA19D0039 301-874-8566, EXT. 1 FREDERICK ,MD s
ELECTROSOFT SERVICES, INC. 47QTCA18D00L8 5714896647 RESTON ,VA s/w/wo/ew/d/8a
EMAGINE IT, INC. GS-35F-0217T 202-587-5607 FAIRFAX ,VA o
ERNST & YOUNG LLP 47QTCA18D003W 703-474-0049 NEW YORK ,NY o
EXAMINATION RESOURCES, LLC 47QTCA20D008M 4048166188 ATLANTA ,GA s/w/wo
EXCENTIUM, INC. GS-35F-020BA 571-297-6334 RESTON ,VA s/dv
FEDITC LLC GS-35F-0269W 618-216-1282 ROCKVILLE ,MD s/d/8a
FINANCIAL INSTITUTION INFORMATION SECURITY COMPLIANCE, LLC 47QTCA20D008C 727-269-5214 CLEARWATER ,FL s
FIRST CONSULTING INC 47QTCA18D003C 585-387-0302 PITTSFORD ,NY s
FIRST INFORMATION TECHNOLOGY SERVICES, INC GS-35F-0364X 703-872-0507 ARLINGTON ,VA s/dv/d
FORTIDM TECHNOLOGIES LLC GS-35F-464GA 6098517190 PLAINSBORO ,NJ s/w/wo/ew/d/8a
FOXHOLE TECHNOLOGY, INC. GS-35F-0569V (703) 496-4514 FAIRFAX ,VA s/dv/d
G2 GLOBAL SOLUTIONS, LLC 47QTCA18D0020 703-727-6850 GAINESVILLE ,VA s/w/wo/ew/dv/d/8a
GCYBER, LLC 47QTCA18D00AG 571-279-8270 ARLINGTON ,VA s
GENERAL DYNAMICS INFORMATION TECHNOLOGY, INC. GS-35F-080CA 703-995-3733 FALLS CHURCH ,VA o
GINIA, INC GS-35F-0207W 7039333443 ALEXANDRIA ,VA s/d/8a
GLOBAL SHIELD IS, LLC GS-35F-343GA 2026564099 FAIRFAX ,VA s
GOAL-ORIENTED HUMAN PERFORMANCE TECHNOLOGIES, LLC 47QTCA20D00F6 (330)431-8545 CHESAPEAKE ,VA s/d/8a
GRANT THORNTON PUBLIC SECTOR LLC 47QTCA18D005G 703-637-2835 ARLINGTON ,VA o
GRAY TIER TECHNOLOGIES, LLC 47QTCA19D00JS 703-951-3815 ALEXANDRIA ,VA s/dv
GRYPHON MARINE, LLC GS-35F-0254R 7577636612 NORFOLK ,VA o
GUIDEHOUSE LLP GS-35F-0263P 3012196990 FALLS CHURCH ,VA o
GUIDEPOINT SECURITY, LLC GS-35F-508CA 703-251-4586 HERNDON ,VA o
HARMONIA HOLDINGS GROUP LLC GS-35F-0607W 5409515900 BLACKSBURG ,VA s/w/wo/d
HAWK ASSOCIATES, LLC 47QTCA20D00BX 520-335-8788 SIERRA VISTA ,AZ s/dv
INDRASOFT INC. GS-35F-0460S 703-435-9052 RESTON ,VA o
INFINITY TECHNOLOGY SERVICES, LLC. 47QTCA19D00KF 719-649-7264 COLORADO SPRINGS ,CO s/dv/d/h
INFLOWLOGISTICS, LLC 47QTCA20D0045 972-523-0401 SAN ANTONIO ,TX s/w/wo/h
INFORMATION SYSTEMS SOLUTIONS, INC GS-35F-209BA 3012515101 ROCKVILLE ,MD s/w/wo/dv
INFRASHIELD, INCORPORATED 47QTCA19D000P 8445546372 FOREST ,VA s/v
INNOVATIVE NETWORKING TECHNOLO GS-35F-514DA 703-328-8928 FALLS CHURCH ,VA s/w/wo/d
INNOVATIVE SYNERGY GROUP, LLC 47QTCA18D00GD 9014859880 ALEXANDRIA ,VA s/d
INONDE, LLC 47QTCA20D00CW 5714184160 MCLEAN ,VA s/v/d
INQWEST INC. 47QTCA19D00E5 410-370-7915 GAINESVILLE ,VA s/d/8a
INTERNATIONAL BUSINESS MACHINES CORPORATION GS-35F-110DA 1-301-803-3983 BETHESDA ,MD o
INTEROP-ISHPI JV LLC 47QTCA19D00DG 301-904-1459 VIRGINIA BEACH ,VA s/dv/d/8a
IOMAXIS GS-35F-274AA 703-455-2555 LORTON ,VA s/v
IRON EAGLEX, INC. 47QTCA20D00DM 434-770-3963 TAMPA ,FL s/dv
IRON VINE SECURITY LLC 47QTCA19D00HF 202-803-7015 WASHINGTON ,DC s/d
IRON VINE SECURITY LLC GS-35F-0590V 571-201-0347 WASHINGTON ,DC s
ISHPI INFORMATION TECHNOLOGIES, INC. GS-35F-467DA 7033042909 SUFFOLK ,VA s/dv/8a
K3 SOLUTIONS LLC 47QTCA19D0028 571-221-5273 LURAY ,VA s/w/wo/ew/d/h
KAIZEN SOLUTIONS GROUP, LLC. 47QTCA21D001D 202-525-9575 COLUMBUS ,OH s/d
KARTHIK CONSULTING LLC 47QTCA18D00DJ 703-589-8687 RESTON ,VA s/d/8a
KOMPLETE SYSTEMS INTEGRATORS, INC. 47QTCA20D00DQ 678-362-2911 FAYETTEVILLE ,GA s/dv/d
LA JOLLA LOGIC 47QTCA19D002G 6195175783 SAN DIEGO ,CA s/w/wo/ew/d/8a
LEIDOS, INC. GS-35F-116AA (571) 526-6899 RESTON ,VA o
LIFE CYCLE ENGINEERING, INC. GS-35F-052DA 843-744-7110 EX-7644 NORTH CHARLESTON ,SC o
LIGHTFEATHER IO LLC 47QTCA21D000X 703-599-2862 ALEXANDRIA ,VA s/w/wo/ew/dv/d/8a
LONGVIEW INTERNATIONAL TECHNOLOGY SOLUTIONS, INC. GS-35F-0234R (703)657-5511 HERNDON ,VA o  
LUNARLINE, INC. GS-35F-0392X 571-481-9305 ARLINGTON ,VA o
MAGNUS MANAGEMENT GROUP, LLC GS-35F-0103Y 3073330711 CENTREVILLE ,VA s/w/wo
MANTECH ADVANCED SYSTEMS INTERNATIONAL, INC. 47QTCA21D0031 703-218-6440 HERNDON ,VA o
MANTECH ADVANCED SYSTEMS INTERNATIONAL, INC. GS-35F-0142W 703-218-6440 HERNDON ,VA o
MANTIS SECURITY CORPORATION 47QTCA21D0042 571-418-7797 SARASOTA ,FL s/dv/d
MARCELLE CONSULTING LLC 47QTCA21D0057 412-874-8084 BOWIE ,MD s/d
MAVERIS, LLC 47QSWA18D008Q 304-315-2786 MARTINSBURG ,WV s/dv
MAX CYBERSECURITY LLC 47QTCA21D003W 202-499-6855 WASHINGTON ,DC s/d/8a/h
MBL TECHNOLOGIES, INC. GS-35F-0475X 8045135199 ARLINGTON ,VA s/dv
METROSTAR SYSTEMS, INC. GS-35F-0816P 703-481-9581 RESTON ,VA o
MILLENNIUM CORPORATION GS-35F-132GA 703-436-1346 ARLINGTON ,VA s/dv/d
MINDPOINT GROUP, LLC GS-35F-018BA 703-636-2033 EXT. 70 SPRINGFIELD ,VA s/w/wo/ew/d/8a
MIRZAYAN LLC 47QTCA20D00DW 5405883766 ROANOKE ,VA s/h
MISSING LINK COMMUNICATIONS, LLC GS-35F-0448R 703-299-9390 HERNDON ,VA s/dv
MRE TECHNOLOGY SOLUTIONS LLC GS-35F-215CA 4102670469 ANNAPOLIS ,MD s
NETCENTRIC TECHNOLOGY, LLC 47QRAA19D00AU 703-478-2650 WALL ,NJ s/d
NETIZEN CORPORATION GS-35F-578GA 800-450-1773 ALLENTOWN ,PA s/dv/d
NETORIAN GS-35F-266AA 4439003800 ABERDEEN ,MD s
NETSECURITY CORPORATION GS-35F-0288Y 703-444-9009 DULLES ,VA s/d/8a
NETWORK SECURITY SYSTEMS PLUS, INC. GS-35F-0232X 703-835-9773 MC LEAN ,VA s/v/d/8a
NEW DIRECTIONS TECHNOLOGIES, INC. GS-35F-0621Y (760)384-2444 RIDGECREST ,CA s/dv    
NEXAGEN NETWORKS INC 47QTCA20D003R 732-598-1277 MORGANVILLE ,NJ s/w/wo/ew/d
NEXT LEVEL SOLUTIONS, LLC 47QTCA21D003U (202) 681-5703 FORT WASHINGTON ,MD s/d/8a
NORTHRAMP LLC GS-35F-496BA 8666028688 RESTON ,VA s/w/wo/d
NORTHROP GRUMMAN SYSTEMS CORPORATION GS-35F-0165Y 703.713.4588 MCLEAN ,VA o
OASIS SYSTEMS, LLC 47QTCA19D0005 301-230-4576 BURLINGTON ,MA o
OBXTEK INC. GS-35F-0584X 5713954542 MCLEAN ,VA o
ONEZERO SOLUTIONS LLC 47QTCA20D003X 703-789-1453 ALEXANDRIA ,VA s/dv/8a
OPEN SAN CONSULTING L.L.C. 47QTCA19D00H3 703-434-1509 ATLANTA ,GA s/w/wo/ew/d/8a
PEREGRINE TECHNICAL SOLUTIONS, LLC GS-35F-233CA 808-796-1364 YORKTOWN ,VA s/d/8a
PERSPECTA ENTERPRISE SOLUTIONS LLC GS-35F-146DA 571/521-7729 CHANTILLY ,VA o
PHASE II STAFFING AND CONTRACTING, LLC 47QTCA19D003W 7037725757 QUANTICO ,VA s/dv
PHIA LLC 47QTCA21D002K 571-969-7442 FAIRFAX ,VA s/d/8a
PLATINUM BUSINESS SERVICES, LLC GS-35F-0067Y 3016511297 LAUREL ,MD s/dv/d/8a/h
QUASARS INCORPORATED 47QTCA18D006V 202-507-9446 WASHINGTON ,DC s/w/wo/h
RAYTHEON COMPANY GS-35F-204GA 520-302-7772 WALTHAM ,MA o
RIVERSTONE SOLUTIONS, INC. 47QTCA20D006F 2567168379 HUNTSVILLE ,AL s/w/wo/d/h
SABRE SYSTEMS, INC. GS-35F-366BA 215-347-11458 WARMINSTER ,PA o
SALIENSE CONSULTING LLC GS-35F-435GA 240-475-8785 TYSONS CORNER ,VA s/w/wo/ew/d/8a
SCIENCE APPLICATIONS INTERNATIONAL CORPORATION GS-35F-486BA 703-470-9929 RESTON ,VA o
SEALING TECHNOLOGIES INC GS-35F-056CA 443-537-9726 COLUMBIA ,MD s/v
SECURE INNOVATIONS, LLC GS-35F-399CA 443-442-6750 COLUMBIA ,MD s/dv
SECURESOFT TECHNOLOGIES LLC GS-35F-348GA 240-770-2097 ALEXANDRIA ,VA s/d/h
SECURICON, LLC GS-35F-0689R 703-914-2780 ALEXANDRIA ,VA s
SECURITY SOLUTIONS TECHNOLOGY, LLC GS-35F-387DA 3012735620 MACHIPONGO ,VA s/dv
SERA-BRYNN, LLC 47QTCA18D0029 757-243-1257 SUFFOLK ,VA s/v/d
SEV1TECH INC GS-35F-424AA 703-496-3776 WOODBRIDGE ,VA o
SHARP SOLUTIONS, INC. 47QTCA19D00MZ 7038518712 CANTON ,GA s/v/d/8a
SHOREPOINT INC. 47QTCA18D00MF 571-233-6695 HERNDON ,VA s
SILOTECH GROUP, INC GS-35F-0382X 210-569-0953 SAN ANTONIO ,TX s/w/wo/ew/dv/d/8a/h
SKYEPOINT DECISIONS, INC. GS-35F-0216Y 703-234-7880 DULLES ,VA s
SOFTEK FEDITC LLC 47QTCA19D00AS 732-287-3337 PISCATAWAY ,NJ s/w/wo/d
SOFTEK INTERNATIONAL, INC. 47QTCA18D00BM 973-727-2832 PISCATAWAY ,NJ s/w/wo/d/8a/h
SOLIEL L.L.C. GS-35F-316BA 7039354051 VIENNA ,VA s/w/wo/ew/d/8a
SOLUTIONS BY DESIGN II, LLC GS-35F-242GA 703-286-1880 VIENNA ,VA s/w/wo/ew/d
SOLUTIONS THROUGH INNOVATIVE TECHNOLOGIES, INC. 47QTCA20D0016 9374310000 FAIRBORN ,OH o
SOLVITUR SYSTEMS LLC GS-35F-591GA 7036294101 LEESBURG ,VA s/d/8a/h
SONA NETWORKS LLC GS-35F-0251Y 410-329-1811 BALTIMORE ,MD s/d/8a/h
STAGE 2 SECURITY LLC 47QTCA21D000Y 5407299926 LEHI ,UT s
STANTON SECURE TECHNOLOGIES, LLC 47QTCA18D0001 703-568-0553 ARLINGTON ,VA s/w/wo/ew/d
STEALTH-ISS GROUP INC. 47QTCA19D0059 (813)510-0762 HUNTSVILLE ,AL s/w/wo/ew/dv/d  
STEEL TOAD CONSULTING LLC 47QTCA20D00BS 240-988-1876 BALTIMORE ,MD s/h
SYDANTECH LLC GS-35F-232BA 240-832-5279 BETHESDA ,MD s/d/8a
SYSNET TECHNOLOGIES,INC. 47QTCA18D00G6 7032737806 #116 OAKTON ,VA s
T W M ASSOCIATES, INC GS-35F-315CA 7032803102 SPOTSYLVANIA ,VA s/v/d
TALATEK LLC GS-35F-399DA 571-771-0071 OAKTON ,VA s
TECH LEADER SOLUTIONS, LLC 47QTCA20D00DE 703-996-9596 ALEXANDRIA ,VA s
TECHNICAL AND MANAGEMENT RESOURCES, INC. 47QTCA19D0092 703-323-1700 FAIRFAX ,VA s/w/wo/d
TEKMASTERS L.L.C. 47QTCA20D0010 7033491110 CHANTILLY ,VA s
TEKSYNAP CORPORATION 47QTCA19D00CN 833-780-5900 RESTON ,VA s/d/8a
TEKSYNAP CORPORATION GS-35F-0018Y 833-780-5900 RESTON ,VA s/8a
TENICA AND ASSOCIATES LLC GS-35F-470CA 7039557779 CHANTILLY ,VA s/w/wo/ew/dv/8a
TESTPROS, INC. 47QTCA19D00G9 8036690964 STERLING ,VA s
TOTAL SYSTEMS TECHNOLOGIES CORPORATION GS-35F-0423W 276-496-4458 SALTVILLE ,VA s/w/wo/h
TYGER SOLUTIONS CORPORATION 47QTCA21D005E (703) 296-7762 ANNANDALE ,VA s/d/8a
UNITED ONE COMMUNICATIONS LLC 47QTCA18D00DC 8132783020 TAMPA ,FL s/d/8a/h
VALIANT SOLUTIONS, LLC GS-35F-290AA 4436223001 HENDERSON ,NC s/h
VAULTES, LLC 47QTCA18D006E 202-503-9128 ASHBURN ,VA s/v/d/8a
VMD SYSTEMS INTEGRATORS, INC. GS-35F-0633P 571-612-2431 FAIRFAX ,VA s/w/wo/ew/d/8a
WATERSHED SECURITY LLC GS-35F-215DA 757-339-0679 CHESAPEAKE ,VA s/v/d
WEB TRAITS, INC GS-35F-134AA 2407316120 MONTGOMERY VILLAGE ,MD s/d/8a
WISE TECHNICAL INNOVATIONS LLC 47QTCA20D0072 757.676.2205 NORFOLK ,VA s/w/wo/ew/d
X TECHNOLOGIES, INC. 47QTCA18D004E 2102986037 SAN ANTONIO ,TX s/d
XOR SECURITY LLC GS-35F-525GA 703-650-8853 FALLS CHURCH ,VA s/d/8a
XTREME SOLUTIONS, INC. GS-35F-0112Y 4048832000 ATLANTA ,GA s/w/wo/ew/dv/d/8a
Z SOFTECH SOLUTIONS, INC. 47QTCA20D005K 6787787817 WASHINGTON ,DC s/w/wo/ew/d/8a/h
ZANTECH IT SERVICES, INC. 47QTCA19D00DV 7032861393 TYSONS CORNER ,VA s/d
ZEN STRATEGICS LLC GS-35F-424DA (703)587-8368 VIENNA ,VA s/d/8a    
ZENETH TECHNOLOGY PARTNERS, LLC GS-35F-451AA 571-384-7945 VIENNA ,VA s/d/8a