Department of the Interior NAICS 237990 contractors

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

Agency: Department of the Interior

Last updated: April 19, 2026

Visible recipients

Mapped obligations

$9,919,838,971

Visible recipients tied to Department of the Interior and NAICS 237990

Fisher Sand & Gravel CO

Tempe, AZ

Tempe, AZ | 30 awards | Top agency Department of Homeland Security | NAICS 236220

$6,392,200

Granite Construction Company

Watsonville, CA

Watsonville, CA | 56 awards | Top agency Department of Defense | NAICS 237310

$814,381,840

Watts Constructors LLC

Mc Lean, VA

Mc Lean, VA | 5 awards | Top agency Department of Defense | NAICS 236220

$98,208,457

Tetra Tech Ec, Inc.

San Diego, CA

San Diego, CA | 5 awards | Top agency Department of Defense | NAICS 562910

$127,207,031

Kiewit Infrastructure West Co.

Vancouver, WA

Vancouver, WA | 58 awards | Top agency Department of Defense | NAICS 237990

$1,011,043,616

Manson Construction CO

Seattle, WA

Seattle, WA | 86 awards | Top agency Department of Defense | NAICS 237990

$3,907,681,425

Abbott General Construction, Inc.

Hampton, VA

Hampton, VA | 5 awards | Top agency Department of Defense | NAICS 236220

$6,840,411

Cianbro Corporation

Pittsfield, ME

Pittsfield, ME | 16 awards | Top agency Department of Defense | NAICS 237990

$646,601,921

Olgoonik Federal, LLC

Anchorage, AK

Anchorage, AK | 130 awards | Top agency Department of Defense | NAICS 493110

$45,731,619

Akima Construction Services LLC

Herndon, VA

Herndon, VA | 5 awards | Top agency Department of Defense | NAICS 236220

$17,479,137

Page 1 of 51 2 3 4 5 Next

Agency profile

Loading buyer-level contractor and category paths