Agency + PSC page

Department of the Interior PSC F108 contractors

ENVIRONMENTAL SYSTEMS PROTECTION- ENVIRONMENTAL REMEDIATION. Use this buyer-scoped PSC page to see which visible contractors sit closest to this product or service lane under Department of the Interior.

Agency: Department of the Interior
Last updated: April 8, 2026

Visible recipients

10

Mapped obligations

$2,198,680,794

Top NAICS links

4

Top recipients

Visible recipients tied to Department of the Interior and PSC F108

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.

$699,540,023

Aptim Federal Services, LLC

Baton Rouge, LA

Aptim Federal Services, LLC is a federal category business profile based in Baton Rouge, LA. The current public data layer shows $148,966,212 in visible federal obligations across 303 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 F999.

$393,735,320

Ea Engineering, Science, And Technology, Inc., Pbc

Hunt Valley, MD

Ea Engineering, Science, And Technology, Inc., Pbc is a federal category business profile based in Hunt Valley, MD. The current public data layer shows $92,540,844 in visible federal obligations across 522 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 F999.

$591,675,557

Sealaska Environmental Services, LLC

Juneau, AK

Sealaska Environmental Services, LLC is a federal alaskan native corporation owned firm profile based in Juneau, AK. The current public data layer shows $61,920,218 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 F999.

$11,393,794

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.

$80,059,039

Black & Veatch Corporation

Alpharetta, GA

Black & Veatch Corporation is a federal category business profile based in Alpharetta, GA. The current public data layer shows $32,301,941 in visible federal obligations across 5 awards or transactions. Environmental Protection Agency appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541611 (Administrative Management and General Management Consulting Services). The profile also shows meaningful product and service activity in PSC F108.

$32,301,941

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.

$68,767,408

Ahtna Solutions, LLC

Anchorage, AK

Ahtna Solutions, LLC is a federal 8a program participant profile based in Anchorage, AK. The current public data layer shows $14,194,644 in visible federal obligations across 62 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.

$28,299,663

Olgoonik Construction Services LLC

Anchorage, AK

Olgoonik Construction Services LLC is a federal alaskan native corporation owned firm profile based in Anchorage, AK. The current public data layer shows $2,457,448 in visible federal obligations across 10 awards or transactions. Department of the Interior 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.

$36,836,173

Shaw Environmental & Infrastructure, Inc.

Moorestown, NJ

Shaw Environmental & Infrastructure, Inc. is a federal category business profile based in Moorestown, NJ. The current public data layer shows $5,641 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 237990 (Other Heavy and Civil Engineering Construction). The profile also shows meaningful product and service activity in PSC Y299.

$256,071,876