Department of Transportation NAICS 541620 contractors

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

Agency: Department of Transportation

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$1,109,024,661

Visible recipients tied to Department of Transportation and NAICS 541620

Navajo Nation Tribal Government

Window Rock, AZ

Window Rock, AZ | 338 awards | Top agency Department of the Treasury | NAICS 621512

$192,710

Navajo Nation

Window Rock, AZ

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

$29,467,111

Weston Solutions INC

West Chester, PA

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

$531,028,453

Resource Management Concepts, Inc.

Lexington Park, MD

Lexington Park, MD | 153 awards | Top agency Department of Defense | NAICS 541330

$43,137,052

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

Kawerak, Inc.

Nome, AK

Nome, AK | 100 awards | Top agency Department of the Interior | NAICS 541690

$52,762

Cdm Smith Inc.

Carlsbad, CA

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

$5,672,128

Yurok Tribe

Klamath, CA

Klamath, CA | 135 awards | Top agency Department of the Interior | NAICS 238910

$423,989

Hopi Tribe

Kykotsmovi Village, AZ

Kykotsmovi Village, AZ | 112 awards | Top agency Department of the Interior | NAICS 541720

$622,343

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