Department of Transportation NAICS 237990 contractors

Other Heavy and Civil Engineering Construction. Contractors in this NAICS lane under Department of Transportation.

Agency: Department of Transportation

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$6,328,591,465

Visible recipients tied to Department of Transportation and NAICS 237990

Cdm Smith Inc.

Carlsbad, CA

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

$81,501,676

Ahtna Government Services CORP

West Sacramento, CA

West Sacramento, CA | 5 awards | Top agency Department of Energy | NAICS 237990

$65,433,609

Ahtna Infrastructure & Technologies LLC

Anchorage, AK

Anchorage, AK | 68 awards | Top agency Department of Defense | NAICS 236220

$20,818,765

Stg Pacific, LLC

Anchorage, AK

Anchorage, AK | 21 awards | Top agency Department of Defense | NAICS 236220

$4,756,995

Doyon Management Services, LLC

Federal Way, WA

Federal Way, WA | 66 awards | Top agency Department of Defense | NAICS 236220

$5,992,056

Ahtna Global LLC

Anchorage, AK

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

$6,745,602

Manhattan Construction Company LLC

Arlington, VA

Arlington, VA | 35 awards | Top agency Department of Defense | NAICS 236220

$12,569,000

Bristol Prime Contractors, LLC

Anchorage, AK

Anchorage, AK | 40 awards | Top agency Department of Defense | NAICS 236220

$67,298,147

Bristol Engineering Services Company, LLC

Anchorage, AK

Anchorage, AK | 10 awards | Top agency Department of Defense | NAICS 237120

$12,456,982

Kiewit Infrastructure Co.

Woodcliff Lake, NJ

Woodcliff Lake, NJ | 22 awards | Top agency Department of Defense | NAICS 237310

$386,280,503

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