State + agency + PSC page

Department of Homeland Security PSC D399 contractors in Virginia

IT AND TELECOM- OTHER IT AND TELECOMMUNICATIONS. Use this deeper state-buyer-PSC page to see which visible contractors sit closest to this exact overlap in the public AwardRegistry layer.

Virginia + Department of Homeland Security
Last updated: April 6, 2026

Visible recipients

41

Mapped obligations

$57,804,607,384

Top NAICS links

4

Top recipients

Visible recipients tied to Department of Homeland Security, Virginia, and PSC D399

Mantech Mbi Inc.

Fairfax, VA

Mantech Mbi Inc. is a federal category business profile based in Fairfax, VA. The current public data layer shows $88,973,980 in visible federal obligations across 5 awards or transactions. Department of Commerce appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541519 (Other Computer Related Services). The profile also shows meaningful product and service activity in PSC R408.

$5,128,824

Karsun Solutions LLC

Herndon, VA

Karsun Solutions LLC is a federal category business profile based in Herndon, VA. The current public data layer shows $83,844,223 in visible federal obligations across 125 awards or transactions. Department of Transportation appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541519 (Other Computer Related Services). The profile also shows meaningful product and service activity in PSC R425.

$103,784,554

Semanticbits LLC

Reston, VA

Semanticbits LLC is a federal category business profile based in Reston, VA. The current public data layer shows $81,323,768 in visible federal obligations across 54 awards or transactions. Department of Health and Human Services appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541519 (Other Computer Related Services). The profile also shows meaningful product and service activity in PSC D399.

$348,890,863

Favor Techconsulting, LLC

Arlington, VA

Favor Techconsulting, LLC is a federal category business profile based in Arlington, VA. The current public data layer shows $39,734,834 in visible federal obligations across 49 awards or transactions. Department of Veterans Affairs appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541512 (Computer Systems Design Services). The profile also shows meaningful product and service activity in PSC D399.

$266,403,926

Caci-iss, LLC

Chantilly, VA

Caci-iss, LLC is a federal category business profile based in Chantilly, VA. The current public data layer shows $31,674,903 in visible federal obligations across 24 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 517110 (Wired Telecommunications Carriers). The profile also shows meaningful product and service activity in PSC D307.

$777,091,272

Redhorse Corporation

Arlington, VA

Redhorse Corporation is a federal category business profile based in Arlington, VA. The current public data layer shows $30,311,976 in visible federal obligations across 101 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 611430 (Professional and Management Development Training). The profile also shows meaningful product and service activity in PSC R499.

$75,591,802

Mantech Gray Hawk Systems, Inc.

Falls Church, VA

Mantech Gray Hawk Systems, Inc. is a federal category business profile based in Falls Church, VA. The current public data layer shows $28,570,924 in visible federal obligations across 5 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541330 (Engineering Services). The profile also shows meaningful product and service activity in PSC R425.

$7,035,376

Mantech Security Technologies Corporation

Fairfax, VA

Mantech Security Technologies Corporation is a federal category business profile based in Fairfax, VA. The current public data layer shows $23,482,290 in visible federal obligations across 5 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541512 (Computer Systems Design Services). The profile also shows meaningful product and service activity in PSC D399.

$23,451,181

Harmonia Holdings Group, LLC

Mclean, VA

Harmonia Holdings Group, LLC is a federal category business profile based in Mclean, VA. The current public data layer shows $18,667,472 in visible federal obligations across 81 awards or transactions. Department of Agriculture appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541511 (Custom Computer Programming Services). The profile also shows meaningful product and service activity in PSC D302.

$42,066,704

Sevatec LLC

Reston, VA

Sevatec LLC is a federal 8a program participant profile based in Reston, VA. The current public data layer shows $15,833,262 in visible federal obligations across 17 awards or transactions. Department of Homeland Security appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541519 (Other Computer Related Services). The profile also shows meaningful product and service activity in PSC D399.

$562,813,677
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