NAICS + PSC page

NAICS 541690 and PSC F999 contractors

Other Scientific and Technical Consulting Services. 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 541690 + PSC F999
Last updated: April 7, 2026

Visible recipients

4

Mapped obligations

$347,742,000

State overlap

0

Top recipients

Visible recipients in the NAICS 541690 and PSC F999 overlap

Shaw Infrastructure, Inc.

Monroeville, PA

Shaw Infrastructure, Inc. is a federal category business profile based in Monroeville, PA. The current public data layer shows $122,203,874 in visible federal obligations across 5 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 561210 (Facilities Support Services). The profile also shows meaningful product and service activity in PSC M199.

$41,976,358

Kawerak, Inc.

Nome, AK

Kawerak, Inc. is a federal category business profile based in Nome, AK. The current public data layer shows $90,174,939 in visible federal obligations across 100 awards or transactions. Department of the Interior appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541690 (Other Scientific and Technical Consulting Services). The profile also shows meaningful product and service activity in PSC R499.

$222,029

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.

$304,334,702

Brown And Caldwell

San Diego, CA

Brown And Caldwell is a federal category business profile based in San Diego, CA. The current public data layer shows $3,910,103 in visible federal obligations across 5 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.

$1,208,911