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

Aecom Energy & Construction, Inc.

Greenwood Village, CO

Greenwood Village, CO | 5 awards | Top agency Department of Defense | NAICS 237990

$15,118,435

Credence Management Solutions Limited Liability Company

Mclean, VA

Mclean, VA | 222 awards | Top agency Department of Defense | NAICS 541330

$371,546,801

Govcio, LLC

Fairfax, VA

Fairfax, VA | 94 awards | Top agency Department of Veterans Affairs | NAICS 541512

$160,592,928

Sos International LLC

Reston, VA

Reston, VA | 138 awards | Top agency Department of Defense | NAICS 561210

$388,501,145

Guidehouse LLP

Mc Lean, VA

Mc Lean, VA | 134 awards | Top agency Department of State | NAICS 541611

$1,419,972,617

Asrc Federal Technology Solutions, LLC

Reston, VA

Reston, VA | 144 awards | Top agency Department of Defense | NAICS 541611

$102,006,126

Asrc Federal Field Services, LLC

Beltsville, MD

Beltsville, MD | 207 awards | Top agency Department of Homeland Security | NAICS 561210

$29,248,977

Axient LLC

Arlington, VA

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

$615,807,286

Reli Group INC

Windsor Mill, MD

Windsor Mill, MD | 119 awards | Top agency Department of Health and Human Services | NAICS 541611

$361,158,557

Mantech Srs Technologies, Inc.

Herndon, VA

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

$512,818,535

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