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

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

Hunt Valley, MD

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

$9,282,113

Jacobs Engineering Group Inc.

Arlington, VA

Arlington, VA | 308 awards | Top agency Department of Defense | NAICS 541330

$30,177,616

Nv5 Geospatial, Inc.

Saint Petersburg, FL

Saint Petersburg, FL | 132 awards | Top agency Department of the Interior | NAICS 541360

$17,872,558

Jacobs Government Services Company

Arlington, VA

Arlington, VA | 238 awards | Top agency Department of Defense | NAICS 541330

$12,398,571

Cdm Smith Inc.

Carlsbad, CA

Carlsbad, CA | 5 awards | Top agency Department of Defense | NAICS 237990

$5,672,128

Wsp USA Environment & Infrastructure Inc.

Blue Bell, PA

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

$165,926,652

Tohono O'odham Nation

Sells, AZ

Sells, AZ | 106 awards | Top agency Department of Health and Human Services | NAICS 237310

$1,051,213

Navarro Research And Engineering, Inc.

Oak Ridge, TN

Oak Ridge, TN | 102 awards | Top agency Department of Energy | NAICS 562910

$253

Hdr Environmental, Operations And Construction, Inc.

Englewood, CO

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

$62,574,472

Wsp USA Solutions INC

Arlington, VA

Arlington, VA | 228 awards | Top agency Department of Defense | NAICS 541330

$54,311,980

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