Agency + NAICS page

Department of State NAICS 562910 contractors

Remediation Services. Use this buyer-scoped industry page to see which visible contractors sit closest to this NAICS lane under Department of State.

Agency: Department of State
Last updated: April 8, 2026

Visible recipients

10

Mapped obligations

$3,591,228,473

Top PSC links

4

Top recipients

Visible recipients tied to Department of State and NAICS 562910

Tetra Tech Ec, Inc.

San Diego, CA

Tetra Tech Ec, Inc. is a federal category business profile based in San Diego, CA. The current public data layer shows $418,648,162 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 562910 (Remediation Services). The profile also shows meaningful product and service activity in PSC F108.

$800,379,236

Weston Solutions INC

West Chester, PA

Weston Solutions INC is a federal category business profile based in West Chester, PA. The current public data layer shows $169,108,559 in visible federal obligations across 378 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 236220 (Commercial and Institutional Building Construction). The profile also shows meaningful product and service activity in PSC Z2JZ.

$805,888,377

Olgoonik Diversified Services LLC

Colorado Springs, CO

Olgoonik Diversified Services LLC is a federal 8a program participant profile based in Colorado Springs, CO. The current public data layer shows $161,619,504 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 236220 (Commercial and Institutional Building Construction). The profile also shows meaningful product and service activity in PSC Z2JZ.

$13,427,273

Tetra Tech, Inc.

Pasadena, CA

Tetra Tech, Inc. is a federal category business profile based in Pasadena, CA. The current public data layer shows $130,835,501 in visible federal obligations across 260 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 C219.

$974,056,781

Jacobs Government Services Company

Arlington, VA

Jacobs Government Services Company is a federal category business profile based in Arlington, VA. The current public data layer shows $85,879,287 in visible federal obligations across 238 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 C219.

$64,785,519

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.

$310,185,676

Relyant Global LLC

Maryville, TN

Relyant Global LLC is a federal category business profile based in Maryville, TN. The current public data layer shows $58,619,056 in visible federal obligations across 66 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 236220 (Commercial and Institutional Building Construction). The profile also shows meaningful product and service activity in PSC F108.

$86,233,691

Arcadis U.s., Inc.

Highlands Ranch, CO

Arcadis U.s., Inc. is a federal category business profile based in Highlands Ranch, CO. The current public data layer shows $28,235,915 in visible federal obligations across 100 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 F999.

$386,125,862

Ahtna Global LLC

Anchorage, AK

Ahtna Global LLC is a federal 8a program participant profile based in Anchorage, AK. The current public data layer shows $24,004,773 in visible federal obligations across 94 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 562910 (Remediation Services). The profile also shows meaningful product and service activity in PSC F108.

$130,756,877

Olgoonik Specialty Contractors, LLC

Colorado Springs, CO

Olgoonik Specialty Contractors, LLC is a federal alaskan native corporation owned firm profile based in Colorado Springs, CO. The current public data layer shows $3,132,019 in visible federal obligations across 32 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 236220 (Commercial and Institutional Building Construction). The profile also shows meaningful product and service activity in PSC Y1JZ.

$19,389,181