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Home/NAICS 541710/PSC F999

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NAICS 541710 and PSC F999 contractors

Research and Development in the Physical, Engineering, and Life Sciences. OTHER ENVIRONMENTAL SERVICES. Use this cross-code page to see which visible federal contractors sit in the overlap between these two public category lanes.

NAICS 541710 + PSC F999
Last updated: April 8, 2026

Visible recipients

2

Mapped obligations

$184,508,780

State overlap

0

Top recipients

Visible recipients in the NAICS 541710 and PSC F999 overlap

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

Hdr Environmental, Operations And Construction, Inc.

Englewood, CO

Hdr Environmental, Operations And Construction, Inc. is a federal category business profile based in Englewood, CO. The current public data layer shows $59,678,442 in visible federal obligations across 109 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 C211.

$126,505,685

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