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

The Lewin Group, Inc.

La Crosse, WI

La Crosse, WI | 82 awards | Top agency Department of Health and Human Services | NAICS 541720

$279,459,147

Ntt Data Federal Services, Inc.

Herndon, VA

Herndon, VA | 123 awards | Top agency Department of Justice | NAICS 541511

$39,122,803

Chickasaw Nation Industries, INC

Norman, OK

Norman, OK | 20 awards | Top agency Department of Defense | NAICS 541618

$5,516,897

Electrosoft Services, LLC

Reston, VA

Reston, VA | 108 awards | Top agency Department of Defense | NAICS 541519

$6,091,982

Koniag Management Solutions LLC

Anchorage, AK

Anchorage, AK | 184 awards | Top agency Department of Defense | NAICS 541512

$65,032,028

Customer Value Partners, LLC

Washington, DC

Washington, DC | 69 awards | Top agency Department of Health and Human Services | NAICS 541512

$40,729,430

Telesto Group LLC

Mclean, VA

Mclean, VA | 13 awards | Top agency Department of Defense | NAICS 541611

$18,285,866

Cherokee Nation Government Solutions LLC

Tulsa, OK

Tulsa, OK | 56 awards | Top agency Department of Defense | NAICS 541330

$8,492,140

Wsp USA Solutions INC

Arlington, VA

Arlington, VA | 228 awards | Top agency Department of Defense | NAICS 541330

$43,537,457

Technatomy Corporation

Fairfax, VA

Fairfax, VA | 56 awards | Top agency Department of Veterans Affairs | NAICS 541512

$21,459,298

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