Agency + NAICS + PSC page

Department of Homeland Security NAICS 541330 and PSC R499 contractors

Engineering Services. SUPPORT- PROFESSIONAL: OTHER. 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 R499
Last updated: April 6, 2026

Visible recipients

46

Mapped obligations

$206,068,042,197

State overlap

4

Top recipients

Visible recipients in the Department of Homeland Security overlap of NAICS 541330 and PSC R499

Cognosante Cds, LLC

Arlington, VA

Cognosante Cds, LLC is a federal category business profile based in Arlington, VA. The current public data layer shows $5,384,027 in visible federal obligations across 20 awards or transactions. Department of Homeland Security 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 R499.

$98,182,816

Peraton Services & Solutions Inc.

Herndon, VA

Peraton Services & Solutions Inc. is a federal category business profile based in Herndon, VA. The current public data layer shows $4,474,420 in visible federal obligations across 17 awards or transactions. National Aeronautics and Space Administration 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.

$1,315,149,285

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.

$132,541,290

Ironarch Technology LLC

Arlington, VA

Ironarch Technology LLC is a federal category business profile based in Arlington, VA. The current public data layer shows $2,285,492 in visible federal obligations across 42 awards or transactions. Department of Veterans Affairs 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 R499.

$34,253,161

Lockheed Martin Services, LLC

Gaithersburg, MD

Lockheed Martin Services, LLC is a federal category business profile based in Gaithersburg, MD. The current public data layer shows -$306,294 in visible federal obligations across 5 awards or transactions. Department of Transportation 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 5820.

$2,940,371,732

Booz Allen Hamilton Engineering Services, LLC

Annapolis Junction, MD

Booz Allen Hamilton Engineering Services, LLC is a federal category business profile based in Annapolis Junction, MD. The current public data layer shows -$410,371 in visible federal obligations across 11 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 R414.

$2,377,902,739
Page 5 of 5Prev12345