Department of Homeland Security NAICS 541330 and PSC C1AA contractors

Engineering Services. ARCHITECT AND ENGINEERING- CONSTRUCTION: OFFICE BUILDINGS. 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 C1AA

Last updated: April 2, 2026

Visible recipients

Mapped obligations

$211,228,515

State overlap

Top recipients

Visible recipients in the Department of Homeland Security overlap of NAICS 541330 and PSC C1AA

Aecom Services, LLC

Arlington, VA

Aecom Services, LLC is a federal category business profile based in Arlington, VA. The current public data layer shows $7,907,100 in visible federal obligations across 82 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 C219.

$211,228,515