Department of the Interior NAICS 237310 and PSC Z2LB contractors

Highway, Street, and Bridge Construction. REPAIR OR ALTERATION OF HIGHWAYS/ROADS/STREETS/BRIDGES/RAILWAYS. Cross-code overlap under Department of the Interior.

Department of the Interior · NAICS 237310 · PSC Z2LB

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$1,373,684,260

State overlap

Top recipients

Visible recipients in the Department of the Interior overlap of NAICS 237310 and PSC Z2LB

Tohono O'odham Nation

Sells, AZ

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

$66,366,418

Kiewit Infrastructure South CO

Westlake, TX

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

$637,395,851

Kiewit Infrastructure Co.

Woodcliff Lake, NJ

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

$669,921,991

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