Department of Homeland Security PSC AC65 contractors in Virginia

R&D- DEFENSE SYSTEM: ELECTRONICS/COMMUNICATION EQUIPMENT (OPERATIONAL SYSTEMS DEVELOPMENT). 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 8, 2026

Visible recipients

Mapped obligations

$87,974,542

Visible recipients tied to Department of Homeland Security, Virginia, and PSC AC65

Mantech Systems Engineering Corporation

Fairfax, VA

Mantech Systems Engineering Corporation is a federal category business profile based in Fairfax, VA. The current public data layer shows $1,150,010,370 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.

$87,974,542