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Department of the Interior NAICS 541611 and PSC R410 contractors

Administrative Management and General Management Consulting Services. SUPPORT- PROFESSIONAL: PROGRAM EVALUATION/REVIEW/DEVELOPMENT. Use this deeper buyer cross-code page to see which visible contractors sit in the overlap between these two lanes under Department of the Interior.

Department of the Interior · NAICS 541611 · PSC R410
Last updated: April 8, 2026

Visible recipients

3

Mapped obligations

$619,384,051

State overlap

3

Top recipients

Visible recipients in the Department of the Interior overlap of NAICS 541611 and PSC R410

The Lewin Group, Inc.

La Crosse, WI

The Lewin Group, Inc. is a federal category business profile based in La Crosse, WI. The current public data layer shows $46,392,453 in visible federal obligations across 82 awards or transactions. Department of Health and Human Services appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541720 (Research and Development in the Social Sciences and Humanities). The profile also shows meaningful product and service activity in PSC R499.

$375,031,736

Sumaria Systems, LLC

Beavercreek, OH

Sumaria Systems, LLC is a federal category business profile based in Beavercreek, OH. The current public data layer shows $32,072,398 in visible federal obligations across 104 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541712 (Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology)). The profile also shows meaningful product and service activity in PSC R425.

$168,947,519

Audacious Inquiry LLC

Catonsville, MD

Audacious Inquiry LLC is a federal category business profile based in Catonsville, MD. The current public data layer shows $1,703,984 in visible federal obligations across 21 awards or transactions. Department of Health and Human Services appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541513 (Computer Facilities Management Services). The profile also shows meaningful product and service activity in PSC R410.

$75,404,796