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

The Bizzell Group LLC

Hyattsville, MD

Hyattsville, MD | 126 awards | Top agency Department of Health and Human Services | NAICS 541611

$342,381,245

Cherokee Nation System Solutions LLC

Tulsa, OK

Tulsa, OK | 511 awards | Top agency Department of State | NAICS 561210

$95,823,554

Jbs International, Inc.

Rockville, MD

Rockville, MD | 53 awards | Top agency Department of Health and Human Services | NAICS 541990

$425,711,741

Cheyenne River Sioux Tribe

Eagle Butte, SD

Eagle Butte, SD | 168 awards | Top agency Department of the Interior | NAICS 562111

$2,070,439

The Lewin Group, Inc.

La Crosse, WI

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

$864,147,658

Ntt Data Federal Services, Inc.

Herndon, VA

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

$250,445,653

Chickasaw Nation Industries, INC

Norman, OK

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

$9,256,897

Koniag Management Solutions LLC

Anchorage, AK

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

$158,922,640

Wsp USA Solutions INC

Arlington, VA

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

$68,053,355

Sierra7, Inc.

Mclean, VA

Mclean, VA | 141 awards | Top agency Department of Veterans Affairs | NAICS 541512

$78,234,013

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