Department of the Interior NAICS 541611 contractors

Administrative Management and General Management Consulting Services. Contractors in this NAICS lane under Department of the Interior.

Agency: Department of the Interior

Last updated: April 19, 2026

Visible recipients

Mapped obligations

$13,736,184,520

Visible recipients tied to Department of the Interior and NAICS 541611

Chenega Professional & Technical Services LLC

Chesapeake, VA

Chesapeake, VA | 76 awards | Top agency Department of Defense | NAICS 541511

$70,208,561

T And T Consulting Services Inc.

Falls Church, VA

Falls Church, VA | 73 awards | Top agency Department of Defense | NAICS 541511

$21,182,181

Michael Baker International, Inc.

Moon Township, PA

Moon Township, PA | 58 awards | Top agency Department of Defense | NAICS 541330

$53,174,703

Ardent Management Consulting, LLC

Vienna, VA

Vienna, VA | 82 awards | Top agency Department of Homeland Security | NAICS 541511

$16,312,135

Fort Belknap Indian Community

Harlem, MT

Harlem, MT | 138 awards | Top agency Department of the Interior | NAICS 562119

Iem International, Inc.

Raleigh, NC

Raleigh, NC | 39 awards | Top agency Department of Homeland Security | NAICS 541611

$227,021,328

Goldbelt Nighthawk, LLC

Newport News, VA

Newport News, VA | 28 awards | Top agency Department of Defense | NAICS 541519

$2,500

Kimley-horn And Associates INC

Raleigh, NC

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

$14,980,130

Octo Consulting Group LLC

Reston, VA

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

$26,154,190

Paiute Indian Tribe Of Utah

Cedar City, UT

Cedar City, UT | 61 awards | Top agency Department of Health and Human Services | NAICS 541611

$17,000

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