Department of the Interior NAICS 541611 and PSC R408 contractors

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

Department of the Interior · NAICS 541611 · PSC R408

Last updated: April 19, 2026

Visible recipients

Mapped obligations

$17,917,134,170

State overlap

Top recipients

Visible recipients in the Department of the Interior overlap of NAICS 541611 and PSC R408

Cherokee Nation Government Solutions LLC

Tulsa, OK

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

$23,948,365

Wsp USA Solutions INC

Arlington, VA

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

$87,984,875

Technatomy Corporation

Fairfax, VA

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

$78,443,157

Goldbelt Glacier Health Services, LLC

Herndon, VA

Herndon, VA | 67 awards | Top agency Department of Defense | NAICS 541611

$128,875,988

Sumaria Systems, LLC

Beavercreek, OH

Beavercreek, OH | 104 awards | Top agency Department of Defense | NAICS 541712

$199,549,382

Mantech Gray Hawk Systems, Inc.

Falls Church, VA

Falls Church, VA | 5 awards | Top agency Department of Defense | NAICS 541330

$17,992,081

Goldbelt Frontier, LLC

Alexandria, VA

Alexandria, VA | 105 awards | Top agency Department of Defense | NAICS 811219

$97,803,655

Inalab Consulting, Inc.

Fairfax, VA

Fairfax, VA | 136 awards | Top agency Department of Defense | NAICS 541330

$39,607,684

Koniag Emerging Technologies LLC

Anchorage, AK

Anchorage, AK | 22 awards | Top agency Department of State | NAICS 541512

$3,642,157

T And T Consulting Services Inc.

Falls Church, VA

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

$43,341,369

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