Department of Defense NAICS 541990 contractors

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

Agency: Department of Defense

Last updated: April 19, 2026

Visible recipients

143

Mapped obligations

$21,850,205,145

Visible recipients tied to Department of Defense and NAICS 541990

Acclaim Technical Services, LLC

Reston, VA

Reston, VA | 13 awards | Top agency Department of Justice | NAICS 541930

Page Southerland Page, Inc.

Albany, NY

Albany, NY | 5 awards | Top agency Department of State | NAICS 541310

Leidos Management Systems Designers, Inc.

Gaithersburg, MD

Gaithersburg, MD | 9 awards | Top agency Department of the Treasury | NAICS 443120

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