SITE III Vendor List 

(as of March 5, 2021) 

Vendor Name Size SITE III email Address Mailing Address 

22nd Century Technologies Inc Large proposal@tscti.com 

8251 Greensboro Dr 

Ste 900 McLean VA 22102 

Accenture Federal Services, 

LLC Large AFS.SITE.III@accenturefederaldefense.com 800 N. Glebe Road Arlington VA 22203 

Advanced Systems 

Development, Inc./Team ASD Large 

ASDDIA_SITE_III@asdincasbs.onmicros

oft.com 

6400 Arlington 

Blvd, Suite 850 Falls Church VA 22042 

Agile Defense, Inc. Large SITE3@agile-defense.com 

11600 Sunrise 

Valley Drive Suite 

440 Reston VA 20190 

AT&T Corp. Large DL-SITEIIIInternal@att.com 

7125 Columbia 

Gateway Dr Columbia MD 21046 

BAE Systems Technology 

Solutions & Services Inc. Large site3@baesystems.com 520 Gaither Road Rockville MD 20850 

BE (Buchanan & Edwards) Large Site_iii@buchanan-edwards.com 

1700 N. Moore St, 

Suite 2110 Arlington VA 22209 

BIA (Boeing Intelligence & 

Analytics) Large bia_site_iii@bia-boeing.com 

131 National 

Business Parkway 

Annapolis 

Junction MD 20701 

BoozAllenHamilton Large SITEIII_IDIQ@bah.com 

8283 Greensboro 

Drive McLean VA 22102 

CACI Large SITE3.PMO@caci.com 

14370 Newbrook 

Drive Chantilly VA 20151 
SITE III Vendor List 

(as of March 5, 2021) 

CGI Federal Inc Large CGI-SITE_III@cgifederal.com 

12601 Fair Lakes 

Circle Fairfax VA 22033 

Data Systems Analysts, 

Inc.(DSA)/ TeamDSA Large SITEIII@dsainc.com 

8 NE Shaminy 

Interplex Dr, STE 

209 Trevose PA 19053 

Deloitte Large ussiteiiiteam@deloitte.com 1919 N Lynn St. Arlington VA 22209 

GDIT Large GDSITEIII@gdit.com 

13857 McLearen 

Road Herndon VA 20171 

Illuminate Mission Solutions 

(Cyberspace Solutions, LLC dba 

Illuminate Mission Solutions) 

Large emacc@oneilluminate.com 

198 Van Buren 

Street, Suite 200 Herndon VA 20170 

IndraSoft, Inc. (ISI) Large site3@indrasoft.com 

1768 Business 

Center Drive, Suite 

200 Reston VA 20190 

Intrepid Solutions and Services, 

LLC Large SITE3@intrepidsolutions.com 

12950 Worldgate 

Drive, Suite 710 Herndon VA 20170 

Jacobs Technology, Inc. Large SiteIII@jacobs.com 

600 William 

Northern Blvd Tullahoma, TN 37388 

Leidos Large LeidosSITE3@leidos.com 

1750 Presidents 

Drive Reston VA 20190 

M.C. Dean, Inc. Large DIA_SITE@mcdean.com 

1765 Greensboro 

Station Place Suite 

1400 Tysons VA 22102 
SITE III Vendor List 

(as of March 5, 2021) 

ManTech Large stacie.titus@mantech.com 

2251 Corporate Park 

Drive Herndon VA 20171 

MetroStar Large DIASITEIII@metrostarsystems.com 

1856 Old Reston 

Avenue, Suite 100 Reston VA 20190 

NGSC (Northrop) Large laura.chambers@peraton.com 

13825 Sunrise 

Valley Drive, Suite 

200 Herndon VA 20171 

Novetta Inc. Large site_iii@novetta.com 

7921 Jones Branch 

Drive, Suite 500 McLean VA 22102 

Octo Consulting Group, Inc Large SITE3@octoconsulting.com 

10780 Parkridge 

Blvd, 4th Floor Reston VA 20191 

Parsons Government Services 

Inc. Large STEIIILeadership@parsons.com 100 West Walnut St. Pasadena CA 91124 

PCMG Large Katrina.Gordon@perspecta.com 

13755 Sunrise 

Valley Dr. Suite 750 Herndon VA 20171 

Perspecta Enterprise Solutions 

LLC/Team Perspecta Large SITE_III@saic.com 13600 EDS Dr. A3S Herndon VA 20171 

SAIC Large SITEIII@smartronix.com 

12010 Sunset Hills 

Road Reston VA 20190 

Smartronix LLC Large sbd-siteiii@SBD2.com 

44150 Smartronix 

Way Hollywood MD 20636 

Solutions By Design II, LLC Large Site3.sosi@sosi.com 

1953 Gallows Road, 

Suite 650 Vienna VA 22182 
SITE III Vendor List 

(as of March 5, 2021) 

SOS International LLC (SOSi) Large BI-SITEIII@businessintegra.com 

1881 Campus 

Commons Drive, 

Suite 500 Reston VA 20191 

Team BI /Business Integra 

Technology Solutions, Inc. Large DIASITEIII@Telesishq.com 

6550 Rock Spring 

Drive, Suite 600 Bethesda MD 20817 

TELESIS Corporation/Team 

TELESIS Large site3@thebuffalogroup.com 

8300 Greensboro 

Drive, Suite 600 McLean VA 22102 

The Buffalo Group, LLC Large SITEIII-Trowbridge@intellibridge.us 

1851 Alexander Bell 

Dr. Suite 300 Reston VA 20191 

Trowbridge & Trowbridge, LLC Large david.rinaldo@u.group 

1430 Spring Hill 

Road, Suite 200 McLean VA 22102 

UGROUP ByteCubed d.b.a. U 

Group Large SITEIII_PMO@wwtas.com 

2231 Crystal Dr 

#401 Arlington VA 22202 

WWTAS (World Wide 

Technology Government 

Services) 

Large 

430 National 

Business Parkway, 

Suite 160

Annapolis 

Junction MD 20701

1CyberForce, LLC Small site3@1cyberforce.com 

950 Herndon 

Parkway, Suite 280 Herndon VA 20170 

Actionable Solutions Group Small ASGSITE3@actionablesolutionsgrou

p.com 

5528 Hempstead 

Way Springfield VA 22151 

Aderas, Inc. Small dia-site3@aderas.com 

11911 Freedom 

Drive, Suite 650 Reston VA 20190 
SITE III Vendor List 

(as of March 5, 2021) 

AEEC, LLC Small site3@americanconsultants.com 

11710 Plaza 

America Drive, 

Suite 125 Reston VA 20190 

Alpha Omega Integration, LLC Small AOI_SITE_III@alphaomegaintegrati

on.com 

8150 Leesburg Pike, 

Suite #1010 Vienna VA 22182 

AnaVation, LLC Small siteiii@anavationllc.com 

15040 Conference 

Center Drive, Suite 

210 Chantilly VA 20151 

AOC Connect, LLC Small SITEIII@aocconnect.com 

14030 Thunderbolt 

Place, Suite 700 Chantilly VA 20151 

Armedia, LLC Small SITE_III@armedia.com 

8221 Old 

Courthouse Road, 

Suite 300 Vienna VA 22182 

ASIRTek Federal Services, 

LLC. Small SITE3_PM@asirtekfs.com 

14603 Huebner Rd. 

Suite 2402 San Antonio TX 78230 

AttainX, Inc. Small siteiii@attainx.com 

13873 Park Center 

Rd, Ste 212 N Herndon VA 20171 

Bowhead Total Enterprise 

Solutions, LLC Small BowheadSITEIII@bowheadsupport.com 

6564 Loisdale 

Court, Suite 900 Springfield VA 22150 

Braxton-Grant Technologies, 

Inc. Small siteiii@braxtongrant.com 

1340 Charwood Rd, 

Ste I Hanover MD 27076 

BridgePhase, LLC/Team 

BridgePhase Small siteiii@bridgephase.com 

2800 Shirlington 

Rd. #704 Arlington VA 22206 
SITE III Vendor List 

(as of March 5, 2021) 

Castalia Small SITEIII@castaliasystems.com 

100 S. Ashley Drive, 

Suite 600 Tampa FL 33602 

Cedge Software Consultants Small CEdge_SITE_III@cedgecorp.com 

1232 Washington 

Ave, Suite 310 St. Louis MO 63103 

cFocus Software Incorporated Small siteiii@cfocussoftware.com 

10536 Joyceton 

Drive Largo MD 20774 

Choisys Technology, Inc. Small site3@choisystechnology.com 

20098 Ashbrook PL, 

Suite 160 Ashburn VA 20147 

CKA, LLC/Team CKA Small DIA_SITE-pmo@ckallc.com 

46050 Manekin 

Plaza, Suite 120 Sterling VA 20166 

clearAvenue, LLC/ Team 

clearAvenue Small siteiii@clearavenue.com 

6711 Columbia 

Gateway Dr. Columbia MD 21046 

Competitive Range Solutions, 

LLC Small siteiii@getcrs.com 

20 W Kinzie St Fl 

17 Chicago IL 60654 

Creative IT Solutions LLC Small proposals@dnigov.com 

2000 N. Classen 

Blvd. Ste. 1700 

Oklahoma 

City OK 73106 

Cyber and Engineering 

Excellence (CE2) Solutions JV Small SITE_III@ic-cap.com 

4520 Guinevere 

Lane Pomfret MD 20675 

CyberPeak Innovations, LLC Small contracts@directviz.com 

14900 Conference 

Center Drive, Suite 

250 Chantilly VA 20151 

DAn Solutions, Inc. Small SITE3@dansolutions.com 

2111 Wilson Blvd, 

Suite 310 Arlington VA 22201 
SITE III Vendor List 

(as of March 5, 2021) 

Data Intelligence Technologies, 

Inc. Small site3@dataintelligencetech.com 415 K Street Washington DC 20003 

Datastrong LLC Small DIASITEIII@datastrong.com 

8315 Lee Highway 

Suite 600 Fairfax VA 22203 

Derivative, LLC. Small site3@derivativellc.biz 

2711 Richmond 

Hwy, Suite 200 Arlington VA 22202 

DigiFlight, Inc. (Team 

DigiFlight) Small dficontracts@digiflight.com 

8825 Stanford Blvd. 

Suite 100, Columbia MD 21045 

Diverse Systems Group, LLC Small site3@dsg-it.com 

10411 Motor City 

Drive, Suite 685 Bethesda MD 20817 

DKW Communications, Inc. Small DKW_SITEIII@DKWCOMMUNIC

ATIONS.COM 

601 13th St. Suite 

N-350 Washington DC 20005 

Dynamo-VariQ Joint Venture 

(DVJV)/Team DVJV Small site3@dynamo-variq.com 

1951 Kidwell Dr. 

Ste 550 Vienna VA 22182 

Dynanet Corporation Small DynanetsiteIII@dynanetcorp.com 

8182 Lark Brown 

Road, Suite 300 Elkridge VA 21075 

Edgewater Federal Solutions, 

Inc. Small DIASITES3@edgewaterit.com 

5280 Corporate 

Drive, Suite C130 Frederick MD 21703 

EnDepth Solutions, LLC Small SITE3@endepthsolutions.com 

6724 Alexander Bell 

Dr, Suite 130 Columbia MD 21046 

Enhanced Veterans Solutions 

(EVS), Inc Small EVS.DIA.SITE.III@enhancedvets.com 

10560 Main Street, 

Suite 220 Fairfax VA 22030 

Epsilon Inc Small siteiii@epsilon-inc.com 

1 Monticello Village 

Drive, Weaverville NC 28787 
SITE III Vendor List 

(as of March 5, 2021) 

E-volve Technology Systems, 

Inc. Small SITE_III@e-volvetechsystems.com 

163 Waterfront St, 

Suite 420 

National 

Harbor MD 20745 

Expression Networks, LLC Small diasite3@expr.net 

1140 3rd St. NE, 

Suite 310 Washington DC 20002 

Federated IT, Inc. Small Contracts@FederatedIT.com 

12500 G St, NW, 

Ste. 800 Washington DC 20005 

Fortem Services Group, LLC Small site3@fortemgrp.com 

1951 Kidwell Dr. 

STE 320 Vienna VA 22182 

Full Visibility LLC Small site3pmo@fullvisibility.com 

1934 Old Gallows 

Road, Suite 350 Vienna VA 22182 

Fusion Technology LLC Small SITEIII@fusiontechnology-llc.com 

45 Professional 

Place, Suite 202 Bridgeport WV 26330 

Futron Incorporated Small dia.siteiii@futroninc.com 14067 Crown Court Woodbridge VA 22193 

GCubed Enterprises, Inc. / Team 

GCubed Small SITESIII@gcubedinc.com 

10 Center Street, 

Suite 107 Stafford VA 22556 

George Consulting, LTD Small contracts@georgeconsulting.com 

225 Seven Farms 

Drive, Ste 300 Charleston SC 29492 

Graham Technologies, LLC / 

Team GRAHAM Small site3@graham-tech.net 

1401 Mercantile 

Lane, Suite 301 Largo MD 20774 

Halvik Corp (Halvik) Small DIASITEIII@halvik.com 

1600 Spring Hill 

Road, Suite 240 Vienna VA 22182 

Highlight Technologies, LLC Small HighlightSITE@highlighttech.com 

9990 Fairfax Blvd, 

Suite 350 Fairfax VA 22030 
SITE III Vendor List 

(as of March 5, 2021) 

HPI Solutions LLC Small HPISITE3@HighPrairies.com 11122 William Plz Omaha NE 68144 

Imperative Critical Infrastructure 

Protection, LLC Small ImperativeCIP-SITE@xatorcorp.com 

5920 Mount Vernon 

Blvd Lorton VA 22079 

IMPRES Technology Solutions, 

Inc Small SITE@imprestechnology.com 

530-B Huntmar Park 

Drive, Suite K Herndon VA 20170 

Information Management 

Group, Incorporated (IMG) Small IMG_SITEIII@imgva.com 

10330 Pioneer Blvd, 

Ste 280 

Santa Fe 

Springs, CA 90670 

Information Technology 

Strategy Small diasite3@it-strat.com 

4050 Legato Road, 

Suite 200 Fairfax VA 22033 

iNovex Information Systems, 

Inc. Small SiteIII@inovexcorp.com 

23392 

Summerstown Place Dulles VA 20166 

Integrated Computer Solutions 

Inc. (ICS) Small SITEIII@ICSInc.com 

6950 Columbia 

Gateway Drive, 

Suite 350 Columbia MD 21046 

Intelligent Innovations Group Small DIA_SITE_III@IIGFederal.com 

60 Commerce 

Street, Suite 1100 

Montgomery

, AL 36104 

InterImage, Inc. Small siteiii@iimage.com 

4301 N. Fairfax 

Drive, Suite 205 Arlington VA 22203 

Invictus International Consulting 

LLC Small SITE3@invictusic.com 

66 Canal Center 

Plaza, Suite 501 Alexandria VA 22314 

IPT Associates, LLC (IPT)/IPT 

Team Small SITEIII@iptassociates.com 

1500 District 

Avenue Burlington MA 01803 
SITE III Vendor List 

(as of March 5, 2021) 

iSenpai, LLC Small pmo_dia_site3@isenpai.com 

1751 Pinnacle 

Drive, Suite 600 McLean VA 22102 

ISPA Technology LLC Small SITEIII@ispatechnology.com 

6232 Kingbird 

Manor Dr Lithia FL 33547 

IT Concepts, Inc Small SITE3@useitc.com 

1600 Spring Hill 

Road, Suite 305 Vienna VA 22182 

Kingfisher Systems, Inc. Small diasite3@kingfishersys.com 

3110 Fairview Park 

Drive, Suite 1250 Falls Church VA 22042 

Lentech, Inc Small SITEIII@lentechinc.com P.O. Box 67155 Albuquerque NM 87193 

Manta Group LLC Small site3@manta-group.com 

12001 Sunrise 

Valley Drive, Suite 

10 Reston VA 20191 

MicroTech Small dia_site_iii@microtech.net 

8330 Boone Blvd, 

Ste 600 Tysons VA 22182 

Navitas Business Consulting, 

Inc Small SITEIII@Navitas-tech.com 

13454 Sunrise 

Valley Dr, Suite 240 Herndon VA 20171 

Netorian Small siteiii@netorian.com 

210 Research 

Boulevard, Suite 

160 Aberdeen MD 21001 

New River Systems Corporation Small SITE3@newriversystems.com 

19775 Belmont 

Executive Plaza, 

#305 Ashburn VA 20147 
SITE III Vendor List 

(as of March 5, 2021) 

Nisga’a Data Systems, LLC Small DIASITEIII@ndsystems.com 

14900 Bogle Dr Ste 

300 Chantilly VA 20151 

NOVA-Dine, LLC Small site3@nova-dine.com 

8840 E. Chaparral 

Road Scottsdale AZ 85250 

NucoreVision, Inc. (CTA Team 

Lead) Small DIASITEIII@nucorevision.com 

4601 Forbes Blvd, 

Suite 210 Lanham MD 20706 

Obsidian Solutions Group Small SITEIII@obsidiansg.com 

1320 Central Park 

Blvd, Suite 304 

Fredericksbu

rg 

VA 22401 

Occam Solutions, Inc / Team 

Occam Small DIASite3@occamsolutions.com 

590 Herndon Pkwy, 

Suite 375 Herndon VA 20170 

Paradyme Management Inc. Small contracts@paradyme.us 

9111 Edmonston 

Rd, Ste 400 Greenbelt MD 20770 

Patriot L.L.C. Small diasite@patriotllc.net 

9520 Berger Rd 

#212 Columbia MD 21046 

Plus3 IT Systems, LLC (Plus3 

IT) Small siteiii@plus3it.com 

12030 Sunrise 

Valley Drive Suite 

110 

Reston VA 20191 

Probity Inc. Small ProbitySite3@trueprobity.com 

754 Elden Street, 

Suite 201 Herndon VA 20170 

Pueo Prescient Edge Small info@pueo-prescientedge.com 

7926 Jones Branch 

Drive McLean VA 22102 

Quadrint, Inc. Small SITE-III@Quadrint.com 

3190 Fairview Park 

Drive, Suite 360 Falls Church VA 22042 
SITE III Vendor List 

(as of March 5, 2021) 

Red Arch Solutions, Inc. Small SITEIII@redarchsolutions.com 

10215 Wincopin 

Circle, Suite 200 Columbia MD 21044 

RIVA Solutions, Inc. Small e-site@rivasolutionsinc.com 

8000 Westpark Dr 

#450 McLean VA 22102 

RTL Networks, Inc. Small RTL_Site_III@rtl-networks.com 

711 Kimberly 

Avenue, Suite 145 Placentia CA 92870 

Salience Technologies LLC Small federal@saliencetechllc.com 

8260 Greensboro 

Drive, Suite 150 McLean VA 22102 

Secure Innovations, LLC Small contracts@secure-innovations.net 

10005 Old 

Columbia Rd, L-261 Columbia MD 21046 

Seneca Telecommunications, 

LLC (d/b/a Seneca Solutions) Small SITEIII@Seneca-Solutions.com 90 Ohi Yo Way Salamanca NY 14779 

SHINE Systems, LLC Small Contracts@shinesystems.com 

One Morton Drive, 

Suite 201 

Charlottesvil

le VA 22903 

SHR Consulting Group, LLC Small SITEIII@shrgroupllc.com 

5285 Shawnee Road 

Ste 200 Alexandria VA 22312 

SNA International, LLC/Team 

SNA Small SNASITEIII@sna-intl.com 

500 Montgomery 

Street, Suite 500 Alexandria VA 22314 

SOFTEK FEDITC, LLC 

(SOFITC) Small DIASITEIII@softekintl.com 

242 Old New 

Brunswick Rd, Ste 

320 

Piscataway NJ 8854 

Spathe Systems LLC Small diasite3@spathesystems.com 

5401 W. Kennedy 

Blvd, Suite 750 Tampa FL 33609 
SITE III Vendor List 

(as of March 5, 2021) 

Spiral Solutions & 

Technologies, Inc./Team Spiral Small spiral_site_iii@ssandtech.com 

2203 Harvell Plaza 

Drive Bellevue NE 68005 

Spry Methods Inc Small dia-siteiii@sprymethods.com 

1420 Spring Hill 

Road, Suite 300 McLean VA 22102 

Storage Strategies, Inc./SSI Small DIASITEIII@ssihq.net 

2049 Old 

Centreville Rd, Unit 

788 

Manassas 

Park VA 20111 

SydanTech, LLC (Team 

SydanTech) Small SITE3-Contract@sydantech.com 

6701 Democracy 

Blvd. Suite 300 Bethesda MD 20817 

Synertex LLC Small site3@synertex.com 

37796 Elizabeth's 

Field Ln Purcellville VA 20132 

Systems Plus, Inc. / Team 

Systems Plus Small SITEIII.PMO@sysplus.com 

1 Research Court, 

Suite 360 Rockville MD 20850 

TEAM IMTAS/Innovative 

Management & Technology 

Approaches, Inc. (IMTAS) 

Small IMTAS-DIASITEIII@imtas.com 

2100 Crystal Drive, 

Suite 750 Arlington VA 22202 

Team LTG (LinTech Global, 

Inc.) Small contracts@lintechglobal.com 

34119W. 12 Mile 

Road, Suite 200 

Farmington 

Hills MI 48331 

Technical and Management 

Resources, Inc. (TMR) Small tmr-dia-site3@tmrhq2.com 

10511 Braddock 

Road, Suite 1-B Fairfax VA 22032 

TekSynap Corporation Small SITEIII@TekSynap.com 

1900 Oracle Way 

Suite 800 Reston VA 20190 

TENICA and Associates LLC Small SITE3@TENICA-GS.com 

4795 Meadow 

Wood Ln Ste 200W Chantilly VA 20151 
SITE III Vendor List 

(as of March 5, 2021) 

Veteran’s First, LLC / Team 

Veteran’s First Small SITEIII@veteransfirstjv.com 

4616 Dixie Hill 

Road Fairfax VA 22030 

Vexterra Group Small SITE_III@vexterra.com 

11710 Plaza 

America Drive, 

Suite 2000 

Reston VA 20190 

Volant Associates LLC Small Site@volantco.com 

15049 Conference 

Center Dr. Ste 230 Chantilly VA 20151 

Webworld Technologies, Inc 

dba WTI Small Tkgonsalves@wti-solutions.com 

4031 University 

Drive, Suite 100 Fairfax VA 22030 

Yahya Technologies, LLC 

(DBA Y-Tech, LLC) Small siteiii@ytechllc.com 

10010 Junction 

Drive, Suite 201-S 

Annapolis 

Junction MD 20701