Department of the Interior NAICS 561110 and PSC R425 contractors

Office Administrative Services. SUPPORT- PROFESSIONAL: ENGINEERING/TECHNICAL. Cross-code overlap under Department of the Interior.

Department of the Interior · NAICS 561110 · PSC R425

Last updated: April 13, 2026

Visible recipients

Mapped obligations

$667,573,745

State overlap

Top recipients

Visible recipients in the Department of the Interior overlap of NAICS 561110 and PSC R425

Trace Systems, Inc.

Mclean, VA

Mclean, VA | 124 awards | Top agency Department of Defense | NAICS 334220

Bowhead Program Management & Operations, LLC

Springfield, VA

Springfield, VA | 251 awards | Top agency Department of Defense | NAICS 541330

The Bizzell Group LLC

Hyattsville, MD

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

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