Department of the Interior NAICS 541330 contractors

Engineering Services. Contractors in this NAICS lane under Department of the Interior.

Agency: Department of the Interior

Last updated: April 19, 2026

Visible recipients

114

Mapped obligations

$39,781,929,483

Visible recipients tied to Department of the Interior and NAICS 541330

Kimley-horn And Associates INC

Raleigh, NC

Raleigh, NC | 24 awards | Top agency Department of Transportation | NAICS 541330

$44,285,163

Digital Consultants, LLC

Alexandria, VA

Alexandria, VA | 84 awards | Top agency Department of Defense | NAICS 541512

$9,842,186

Kiewit Infrastructure Co.

Woodcliff Lake, NJ

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

$20,000

Lac Courte Oreilles Ojibwe School

Hayward, WI

Hayward, WI | 20 awards | Top agency Department of the Interior | NAICS 541330

$317,415

Hdr, INC

Omaha, NE

Omaha, NE | 5 awards | Top agency Department of Veterans Affairs | NAICS 541310

-$526

Pueblo Of Taos

Taos, NM

Taos, NM | 65 awards | Top agency Department of the Interior | NAICS 531120

$67,217

Santa Clara Pueblo

Espanola, NM

Espanola, NM | 93 awards | Top agency Department of the Interior | NAICS 237990

$468,565

Octo Consulting Group LLC

Reston, VA

Reston, VA | 35 awards | Top agency Department of Defense | NAICS 541512

$16,041,247

Pueblo Of Santa Ana

Bernalillo, NM

Bernalillo, NM | 89 awards | Top agency Department of the Interior | NAICS 237990

$142,586

Hntb Corporation

Kansas City, MO

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

$162,924,496

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