Department of the Interior NAICS 541611 and PSC R799 contractors

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

Department of the Interior · NAICS 541611 · PSC R799

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$7,771,869,854

State overlap

Top recipients

Visible recipients in the Department of the Interior overlap of NAICS 541611 and PSC R799

West 4th Strategy, LLC

Mc Lean, VA

Mc Lean, VA | 90 awards | Top agency Department of Justice | NAICS 541611

$20,051,815

Aalis Management Consulting LLC

Woodbridge, VA

Woodbridge, VA | 29 awards | Top agency Department of the Interior | NAICS 541611

$16,070,208

Icf Incorporated

Fairfax, VA

Fairfax, VA | 5 awards | Top agency Department of Health and Human Services | NAICS 541611

$3,073,065,886

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