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Department of Homeland Security NAICS 541330 and PSC R706 contractors in Virginia

Engineering Services. SUPPORT- MANAGEMENT: LOGISTICS SUPPORT. Use this deepest state-buyer cross-code page to see which visible contractors sit in the exact overlap of buyer, geography, industry, and product-service lane.

Virginia · Department of Homeland Security
Last updated: April 8, 2026

Visible recipients

5

Mapped obligations

$44,832,976,700

Cross-code depth

4 filters

Top recipients

Visible recipients tied to Department of Homeland Security, Virginia, NAICS 541330, and PSC R706

General Dynamics Information Technology, Inc.

Falls Church, VA

General Dynamics Information Technology, Inc. is a federal category business profile based in Falls Church, VA. The current public data layer shows $4,253,204,329 in visible federal obligations across 3,181 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.

$23,304,172,362

Amentum Services, Inc.

Chantilly, VA

Amentum Services, Inc. is a federal category business profile based in Chantilly, VA. The current public data layer shows $3,024,707,746 in visible federal obligations across 1,909 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 561210 (Facilities Support Services). The profile also shows meaningful product and service activity in PSC J015.

$7,466,177,052

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.

$1,271,298,412

Mantech Advanced Systems International, Inc.

Herndon, VA

Mantech Advanced Systems International, Inc. is a federal category business profile based in Herndon, VA. The current public data layer shows $878,752,678 in visible federal obligations across 684 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.

$4,315,241,935

Caci Technologies, LLC

Chantilly, VA

Caci Technologies, LLC is a federal category business profile based in Chantilly, VA. The current public data layer shows $192,722,326 in visible federal obligations across 221 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.

$8,476,086,939