Department of Defense NAICS 541715 and PSC R499 contractors

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

Department of Defense · NAICS 541715 · PSC R499

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$36,972,547,329

State overlap

Top recipients

Visible recipients in the Department of Defense overlap of NAICS 541715 and PSC R499

The Emmes Company, LLC

Rockville, MD

Rockville, MD | 69 awards | Top agency Department of Health and Human Services | NAICS 541712

$285,018,308

Rsi-quantitech Jv LLC

Huntsville, AL

Huntsville, AL | 33 awards | Top agency National Aeronautics and Space Administration | NAICS 541715

$214,581,424

Navarro Research And Engineering, Inc.

Oak Ridge, TN

Oak Ridge, TN | 102 awards | Top agency Department of Energy | NAICS 562910

$119,063,969

The Mil Corporation

Bowie, MD

Bowie, MD | 189 awards | Top agency Department of Defense | NAICS 541519

$147,144,516

Goldbelt Professional Services, LLC

Chesapeake, VA

Chesapeake, VA | 75 awards | Top agency Department of Health and Human Services | NAICS 541611

$90,714,668

Sehlke Consulting LLC

Vienna, VA

Vienna, VA | 79 awards | Top agency General Services Administration | NAICS 541511

$187,683,390

Sentar, Inc.

Huntsville, AL

Huntsville, AL | 67 awards | Top agency Department of Defense | NAICS 541330

$38,665,775

Goldbelt C6, LLC

Chesapeake, VA

Chesapeake, VA | 349 awards | Top agency Department of Health and Human Services | NAICS 541990

$227,225,190

Peopletec, Inc.

Huntsville, AL

Huntsville, AL | 68 awards | Top agency Department of Defense | NAICS 541330

$115,348,287

Digital Infuzion, LLC

Rockville, MD

Rockville, MD | 42 awards | Top agency Department of Health and Human Services | NAICS 541512

$65,860,231

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