Department of the Interior NAICS 562910 and PSC F999 contractors

Remediation Services. OTHER ENVIRONMENTAL SERVICES. Cross-code overlap under Department of the Interior.

Department of the Interior · NAICS 562910 · PSC F999

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$9,010,284,333

State overlap

Top recipients

Visible recipients in the Department of the Interior overlap of NAICS 562910 and PSC F999

Tetra Tech Ec, Inc.

San Diego, CA

San Diego, CA | 5 awards | Top agency Department of Defense | NAICS 562910

$1,015,830,578

Chenega Global Services LLC

San Antonio, TX

San Antonio, TX | 5 awards | Top agency Department of Defense | NAICS 562910

$205,233,635

Navajo Nation

Window Rock, AZ

Window Rock, AZ | 20 awards | Top agency Department of the Treasury | NAICS 541620

$4,003,140

Ahtna Facility Services, Incorporated

Anchorage, AK

Anchorage, AK | 20 awards | Top agency Department of Energy | NAICS 562910

$203,999,131

Aptim Federal Services, LLC

Baton Rouge, LA

Baton Rouge, LA | 303 awards | Top agency Department of Defense | NAICS 562910

$1,889,820,585

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

Hunt Valley, MD

Hunt Valley, MD | 522 awards | Top agency Department of Defense | NAICS 562910

$2,499,353,907

Wsp USA Environment & Infrastructure Inc.

Blue Bell, PA

Blue Bell, PA | 309 awards | Top agency Department of Defense | NAICS 236220

$768,175,976

Sealaska Environmental Services, LLC

Juneau, AK

Juneau, AK | 20 awards | Top agency Department of Defense | NAICS 562910

$130,696,393

Hdr Environmental, Operations And Construction, Inc.

Englewood, CO

Englewood, CO | 109 awards | Top agency Department of Defense | NAICS 541330

$426,318,473

Shoshone Bannock Tribes

Fort Hall, ID

Fort Hall, ID | 169 awards | Top agency Department of the Interior | NAICS 813311

$110,110

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