Department of the Interior NAICS 541611 and PSC R499 contractors

Administrative Management and General Management Consulting Services. SUPPORT- PROFESSIONAL: OTHER. Cross-code overlap under Department of the Interior.

Department of the Interior · NAICS 541611 · PSC R499

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$25,853,022,355

State overlap

Top recipients

Visible recipients in the Department of the Interior overlap of NAICS 541611 and PSC R499

Alutiiq Global Solutions, LLC

Anchorage, AK

Anchorage, AK | 5 awards | Top agency Department of Defense | NAICS 236220

$51,507,205

Kadiak LLC

Anchorage, AK

Anchorage, AK | 175 awards | Top agency Department of Defense | NAICS 541611

$242,109,207

Koniag Data Solutions LLC

Anchorage, AK

Anchorage, AK | 129 awards | Top agency Department of Defense | NAICS 541519

$61,397,957

Acumen LLC

Burlingame, CA

Burlingame, CA | 73 awards | Top agency Department of Health and Human Services | NAICS 541611

$1,329,703,117

Tatitlek Federal Services LLC

Anchorage, AK

Anchorage, AK | 230 awards | Top agency Department of State | NAICS 541611

$501,562,291

Mantech Srs Technologies, Inc.

Herndon, VA

Herndon, VA | 76 awards | Top agency Department of Defense | NAICS 541330

$520,078,107

Koniag Professional Services, LLC

Anchorage, AK

Anchorage, AK | 108 awards | Top agency Department of Defense | NAICS 541611

$97,071,446

Calibre Systems INC

Alexandria, VA

Alexandria, VA | 125 awards | Top agency Department of Defense | NAICS 541990

$1,668,271,158

Analytic Services Inc.

Arlington, VA

Arlington, VA | 91 awards | Top agency Department of Defense | NAICS 541611

$1,379,294,161

The Mil Corporation

Bowie, MD

Bowie, MD | 189 awards | Top agency Department of Defense | NAICS 541519

$166,430,845

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