Department of Homeland Security PSC F999 contractors in South Carolina

OTHER ENVIRONMENTAL SERVICES. Use this deeper state-buyer-PSC page to see which visible contractors sit closest to this exact overlap in the public AwardRegistry layer.

South Carolina + Department of Homeland Security

Last updated: April 8, 2026

Visible recipients

Mapped obligations

$58,003,095

Visible recipients tied to Department of Homeland Security, South Carolina, and PSC F999

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.

$58,003,095