Department of Defense NAICS 541620 contractors

Environmental Consulting Services. Contractors in this NAICS lane under Department of Defense.

Agency: Department of Defense

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$3,729,878,400

Visible recipients tied to Department of Defense and NAICS 541620

Ce2 Kleinfelder Jv

Pleasanton, CA

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

$7,077,430

Kleinfelder INC

Rancho Cordova, CA

Rancho Cordova, CA | 5 awards | Top agency Department of Defense | NAICS 541330

$785,356

Redhorse Corporation

Arlington, VA

Arlington, VA | 101 awards | Top agency Department of Defense | NAICS 611430

$23,825,026

Arcadis U.s., Inc.

Highlands Ranch, CO

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

$31,756,418

Lime Energy Services Co.

Huntersville, NC

Huntersville, NC | 5 awards | Top agency Department of Defense | NAICS 236220

Mantech-aecom Joint Venture

Herndon, VA

Herndon, VA | 5 awards | Top agency Department of Defense | NAICS 541620

$25,386,140

Michael Baker International Holdco Corporation

Moon Township, PA

Moon Township, PA | 5 awards | Top agency Department of Defense | NAICS 541330

$864,257

Ahtna Global LLC

Anchorage, AK

Anchorage, AK | 92 awards | Top agency Department of Defense | NAICS 562910

$5,316,878

Stantec Consulting Services Inc.

Denver, CO

Denver, CO | 138 awards | Top agency Department of Defense | NAICS 541330

$176,854,752

Cardinal Point Captains, Inc.

San Diego, CA

San Diego, CA | 67 awards | Top agency Department of Commerce | NAICS 541990

$16,114,082

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