NAICS 541990 and PSC R425 contractors in South Carolina

All Other Professional, Scientific, and Technical Services. SUPPORT- PROFESSIONAL: ENGINEERING/TECHNICAL. Use this deeper state cross-code page to see which visible contractors sit in the overlap between these two lanes inside South Carolina.

South Carolina · NAICS 541990 · PSC R425

Last updated: April 2, 2026

Visible recipients

Mapped obligations

$645,698,286

Buyer overlap

Top recipients

Visible recipients in the South Carolina overlap of NAICS 541990 and PSC R425

Amentum Environment & Energy, Inc.

Aiken, SC

Amentum Environment & Energy, Inc. is a federal category business profile based in Aiken, SC. The current public data layer shows $5,404,004 in visible federal obligations across 37 awards or transactions. Department of Energy appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541712 (Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology)). The profile also shows meaningful product and service activity in PSC R425.

$645,698,286