Department of Homeland Security NAICS 541710 and PSC Z299 contractors

Research and Development in the Physical, Engineering, and Life Sciences. MAINT, REP/ALTER/ALL 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 541710 · PSC Z299

Last updated: April 8, 2026

Visible recipients

Mapped obligations

$50,426,817

State overlap

Top recipients

Visible recipients in the Department of Homeland Security overlap of NAICS 541710 and PSC Z299

Amentum Technical Services LLC

Aiken, SC

Amentum Technical Services LLC is a federal category business profile based in Aiken, SC. The current public data layer shows $221,963,528 in visible federal obligations across 6 awards or transactions. Department of Transportation 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.

$50,426,817