Department of Defense NAICS 237990 contractors

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

Agency: Department of Defense

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$14,082,159,481

Visible recipients tied to Department of Defense and NAICS 237990

Tatitlek Construction Services INC

Oklahoma City, OK

Oklahoma City, OK | 20 awards | Top agency Department of Defense | NAICS 236220

$19,408,653

Ahtna Government Services CORP

West Sacramento, CA

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

$65,433,609

Marcon Engineering, INC

Escondido, CA

Escondido, CA | 5 awards | Top agency Department of Defense | NAICS 236220

$12,538,516

Olgoonik Enterprises, LLC

Colorado Springs, CO

Colorado Springs, CO | 291 awards | Top agency Department of Defense | NAICS 236220

$21,903,455

Kiewit Infrastructure South CO

Westlake, TX

Westlake, TX | 25 awards | Top agency Department of Defense | NAICS 237310

$350,257,190

Kraemer North America LLC

Plain, WI

Plain, WI | 4 awards | Top agency Department of Defense | NAICS 237990

$40,757,340

Olgoonik General, LLC

Anchorage, AK

Anchorage, AK | 143 awards | Top agency Department of Health and Human Services | NAICS 236220

$13,183,064

Aleut Construction LLC

Reston, VA

Reston, VA | 29 awards | Top agency Department of Defense | NAICS 236220

$4,342,220

Tunista Construction LLC

Tacoma, WA

Tacoma, WA | 5 awards | Top agency Department of Defense | NAICS 236220

$17,055,752

Ahtna Infrastructure & Technologies LLC

Anchorage, AK

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

$20,818,765

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