Department of the Interior NAICS 237990 and PSC R499 contractors

Other Heavy and Civil Engineering Construction. SUPPORT- PROFESSIONAL: OTHER. Cross-code overlap under Department of the Interior.

Department of the Interior · NAICS 237990 · PSC R499

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$127,243,942

State overlap

Top recipients

Visible recipients in the Department of the Interior overlap of NAICS 237990 and PSC R499

Olgoonik Federal, LLC

Anchorage, AK

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

$113,370,482

Nez Perce Tribe

Lapwai, ID

Lapwai, ID | 187 awards | Top agency Department of Health and Human Services | NAICS 541990

$1,848,034

Pueblo Of Isleta

Isleta, NM

Isleta, NM | 130 awards | Top agency Department of Health and Human Services | NAICS 237990

$913,786

Hntb Corporation

Kansas City, MO

Kansas City, MO | 24 awards | Top agency Department of Defense | NAICS 541330

$11,111,640

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