Department of Defense NAICS 541990 and PSC R408 contractors

All Other Professional, Scientific, and Technical Services. SUPPORT- PROFESSIONAL: PROGRAM MANAGEMENT/SUPPORT. Cross-code overlap under Department of Defense.

Department of Defense · NAICS 541990 · PSC R408

Last updated: April 19, 2026

Visible recipients

Mapped obligations

$19,862,036,761

State overlap

Top recipients

Visible recipients in the Department of Defense overlap of NAICS 541990 and PSC R408

Altarum Institute

Novi, MI

Novi, MI | 62 awards | Top agency Department of Health and Human Services | NAICS 541611

$182,057,374

Chenega Applied Solutions, LLC

Lorton, VA

Lorton, VA | 42 awards | Top agency Department of Defense | NAICS 561210

$78,148,255

Ssi-venesco Jv LLC

Centreville, VA

Centreville, VA | 23 awards | Top agency Department of Defense | NAICS 541990

$4,818,619

Technical Assent, LLC

Arlington, VA

Arlington, VA | 35 awards | Top agency Department of Veterans Affairs | NAICS 541611

$11,477,596

Page 7 of 7Prev 1 2 3 4 5 6 7

Agency profile

Loading buyer-level contractor and category paths

Home/Department of Defense/NAICS 541990/PSC R408

Agency + NAICS + PSC page