Department of Justice NAICS 541990 contractors

All Other Professional, Scientific, and Technical Services. Contractors in this NAICS lane under Department of Justice.

Agency: Department of Justice

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$4,893,194,922

Visible recipients tied to Department of Justice and NAICS 541990

Optumserve Health Services, Inc.

La Crosse, WI

La Crosse, WI | 61 awards | Top agency Department of Veterans Affairs | NAICS 621111

$29,100,187

Bearingpoint, Inc.

Dallas, TX

Dallas, TX | 5 awards | Top agency Agency for International Development | NAICS 541990

$583,103,698

Mantech Systems Engineering Corporation

Fairfax, VA

Fairfax, VA | 5 awards | Top agency Department of Defense | NAICS 541330

$3,966,572

Ecs Federal, LLC

Fairfax, VA

Fairfax, VA | 401 awards | Top agency Department of Defense | NAICS 541512

$268,767,158

Cherokee Nation Technology Solutions LLC

Tulsa, OK

Tulsa, OK | 20 awards | Top agency Department of Defense | NAICS 541620

$92,004,433

Amentum National Security Programs, INC

Chantilly, VA

Chantilly, VA | 5 awards | Top agency Department of Defense | NAICS 541990

$205,207,342

Westat, Inc.

Bethesda, MD

Bethesda, MD | 469 awards | Top agency Department of Health and Human Services | NAICS 541720

$814,483,185

Yukon-kuskokwim Health CORP

Bethel, AK

Bethel, AK | 66 awards | Top agency Department of Health and Human Services | NAICS 541690

$170,000

Chenega Government Consulting, LLC

Chesapeake, VA

Chesapeake, VA | 5 awards | Top agency Department of Energy | NAICS 541512

$49,395,109

Credence Management Solutions Limited Liability Company

Mclean, VA

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

$84,831,176

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