Department of Defense NAICS 541715 and PSC R408 contractors

Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology). SUPPORT- PROFESSIONAL: PROGRAM MANAGEMENT/SUPPORT. Cross-code overlap under Department of Defense.

Department of Defense · NAICS 541715 · PSC R408

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$9,148,460,392

State overlap

Top recipients

Visible recipients in the Department of Defense overlap of NAICS 541715 and PSC R408

Eccalon, LLC

Hanover, MD

Hanover, MD | 16 awards | Top agency Department of Defense | NAICS 334290

$106,622,196

Knowesis, Inc.

Fairfax, VA

Fairfax, VA | 39 awards | Top agency Department of Defense | NAICS 541611

$61,409,229

Geosyntec Consultants, Inc.

Boca Raton, FL

Boca Raton, FL | 48 awards | Top agency Department of Defense | NAICS 541620

$38,461,155

Pci Guidehouse Jv LLC

Atmore, AL

Atmore, AL | 12 awards | Top agency Department of Health and Human Services | NAICS 541513

$2,372,061

Onezero Solutions, LLC

Alexandria, VA

Alexandria, VA | 31 awards | Top agency Department of Homeland Security | NAICS 541512

$4,292,375

Alluvionic INC

Melbourne, FL

Melbourne, FL | 33 awards | Top agency Department of Defense | NAICS 541611

$6,786,380

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