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NAICS 541715 and PSC R425 contractors

Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology). SUPPORT- PROFESSIONAL: ENGINEERING/TECHNICAL. Cross-code contractor overlap.

NAICS 541715 + PSC R425

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$108,634,605,803

State overlap

Top recipients

Visible recipients in the NAICS 541715 and PSC R425 overlap

Sigma Defense Systems LLC

Perry, GA

Perry, GA | 132 awards | Top agency General Services Administration | NAICS 334290

$263,781,375

Vsolvit LLC

Henderson, NV

Henderson, NV | 205 awards | Top agency Department of Defense | NAICS 541330

$364,522,618

Ea Engineering, Science, And Technology, Inc., Pbc

Hunt Valley, MD

Hunt Valley, MD | 522 awards | Top agency Department of Defense | NAICS 562910

$178,490,370

Axient LLC

Arlington, VA

Arlington, VA | 83 awards | Top agency Department of Defense | NAICS 541330

$1,485,260,207

Janus Research Group, LLC

Evans, GA

Evans, GA | 103 awards | Top agency General Services Administration | NAICS 611430

$454,504,813

Bastion Technologies, Inc.

Houston, TX

Houston, TX | 169 awards | Top agency National Aeronautics and Space Administration | NAICS 541715

$506,131,432

Mantech Srs Technologies, Inc.

Herndon, VA

Herndon, VA | 76 awards | Top agency Department of Defense | NAICS 541330

$743,217,960

Ensco INC

Vienna, VA

Vienna, VA | 124 awards | Top agency Department of Defense | NAICS 541712

$283,331,266

Rsi-quantitech Jv LLC

Huntsville, AL

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

$429,157,848

The Mil Corporation

Bowie, MD

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

$230,251,877

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