Department of Homeland Security NAICS 562910 contractors

Remediation Services. Contractors in this NAICS lane under Department of Homeland Security.

Agency: Department of Homeland Security

Last updated: April 19, 2026

Visible recipients

Mapped obligations

$4,437,069,159

Visible recipients tied to Department of Homeland Security and NAICS 562910

Weston Solutions INC

West Chester, PA

West Chester, PA | 378 awards | Top agency Department of Defense | NAICS 236220

$805,888,377

Aptim Federal Services, LLC

Baton Rouge, LA

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

$1,224,048,884

Wsp USA Environment & Infrastructure Inc.

Blue Bell, PA

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

$528,680,166

Sealaska Environmental Services, LLC

Juneau, AK

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

$76,152,245

Hdr Environmental, Operations And Construction, Inc.

Englewood, CO

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

$310,185,676

Tunista Logistics Solutions, LLC

Anchorage, AK

Anchorage, AK | 131 awards | Top agency Department of Defense | NAICS 561210

$4,703,566

Cherokee Nation Government Solutions LLC

Tulsa, OK

Tulsa, OK | 56 awards | Top agency Department of Defense | NAICS 541330

$12,916,096

Gilbane Federal

Concord, CA

Concord, CA | 58 awards | Top agency Department of Defense | NAICS 236220

$530,887,082

Moffatt & Nichol

Long Beach, CA

Long Beach, CA | 5 awards | Top agency Department of Defense | NAICS 541330

$7,904,965

Arcadis U.s., Inc.

Highlands Ranch, CO

Highlands Ranch, CO | 100 awards | Top agency Department of Defense | NAICS 541330

$386,125,862

Page 1 of 21 2 Next

Agency profile

Loading buyer-level contractor and category paths