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

Hntb Corporation

Kansas City, MO

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

$5,693,438

Netimpact Strategies INC

Herndon, VA

Herndon, VA | 45 awards | Top agency Department of Defense | NAICS 541519

$88,516,062

Interactive Government Holdings, Inc.

Springfield, VA

Springfield, VA | 32 awards | Top agency Department of Defense | NAICS 561110

$35,950,753

Spry Methods, Inc.

Mc Lean, VA

Mc Lean, VA | 47 awards | Top agency Department of Defense | NAICS 541512

$36,575,604

West 4th Strategy, LLC

Mc Lean, VA

Mc Lean, VA | 90 awards | Top agency Department of Justice | NAICS 541611

$16,784,193

Aalis Management Consulting LLC

Woodbridge, VA

Woodbridge, VA | 29 awards | Top agency Department of the Interior | NAICS 541611

$16,055,369

Icf Incorporated

Fairfax, VA

Fairfax, VA | 5 awards | Top agency Department of Health and Human Services | NAICS 541611

$2,863,077,854

Koniag Advisory And Business Solutions, LLC

Anchorage, AK

Anchorage, AK | 31 awards | Top agency Department of State | NAICS 541611

$3,768,947

Zantech It Services, Inc.

Reston, VA

Reston, VA | 51 awards | Top agency Department of Homeland Security | NAICS 541611

$186,071,756

A1fedimpact,llc

Reston, VA

Reston, VA | 25 awards | Top agency Department of Defense | NAICS 541512

$1,654,438

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