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Department of Homeland Security NAICS 541330 and PSC R706 contractors

Engineering Services. SUPPORT- MANAGEMENT: LOGISTICS SUPPORT. Use this deeper buyer cross-code page to see which visible contractors sit in the overlap between these two lanes under Department of Homeland Security.

Department of Homeland Security · NAICS 541330 · PSC R706
Last updated: April 3, 2026

Visible recipients

10

Mapped obligations

$62,851,277,287

State overlap

4

Top recipients

Visible recipients in the Department of Homeland Security overlap of 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 $4,247,568,500 in visible federal obligations across 3,214 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.

$23,282,024,294

Amentum Services, Inc.

Chantilly, VA

Amentum Services, Inc. is a federal category business profile based in Chantilly, VA. The current public data layer shows $3,053,461,383 in visible federal obligations across 1,914 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.

$7,466,873,370

Vectrus Systems LLC

Colorado Springs, CO

Vectrus Systems LLC is a federal category business profile based in Colorado Springs, CO. The current public data layer shows $1,502,522,156 in visible federal obligations across 1,241 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 R706.

$9,030,198,201

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

L3harris Technologies Integrated Systems L.p.

Greenville, TX

L3harris Technologies Integrated Systems L.p. is a federal category business profile based in Greenville, TX. The current public data layer shows $1,059,289,279 in visible federal obligations across 404 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 336413 (Other Aircraft Parts and Auxiliary Equipment Manufacturing). The profile also shows meaningful product and service activity in PSC 5865.

$7,742,360,294

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 $879,999,975 in visible federal obligations across 686 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.

$4,314,218,195

Alutiiq 3sg, LLC

Anchorage, AK

Alutiiq 3sg, LLC is a federal 8a program participant profile based in Anchorage, AK. The current public data layer shows $494,878,495 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 R706.

$225,273,940

Caci Technologies, LLC

Chantilly, VA

Caci Technologies, LLC is a federal category business profile based in Chantilly, VA. The current public data layer shows $190,345,441 in visible federal obligations across 223 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

Vse Corporation

Miramar, FL

Vse Corporation is a federal category business profile based in Miramar, FL. The current public data layer shows $27,628,463 in visible federal obligations across 147 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 336611 (Ship Building and Repairing). The profile also shows meaningful product and service activity in PSC J998.

$804,262,567

Alutiiq Technical Services LLC

Anchorage, AK

Alutiiq Technical Services LLC is a federal 8a program participant profile based in Anchorage, AK. The current public data layer shows $2,382,317 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 R706.

$238,681,075