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

Aitheras LLC

Rockville, MD

Rockville, MD | 45 awards | Top agency Department of Justice | NAICS 541519

$4,480,841

Altarum Institute

Novi, MI

Novi, MI | 62 awards | Top agency Department of Health and Human Services | NAICS 541611

$43,945,399

Chenega Applied Solutions, LLC

Lorton, VA

Lorton, VA | 42 awards | Top agency Department of Defense | NAICS 561210

$53,827,891

Yulista Services, LLC

Huntsville, AL

Huntsville, AL | 19 awards | Top agency Department of Defense | NAICS 541330

$1,542,655

Vighter LLC

San Antonio, TX

San Antonio, TX | 31 awards | Top agency Department of Homeland Security | NAICS 561320

$258,513

Ssi-venesco Jv LLC

Centreville, VA

Centreville, VA | 23 awards | Top agency Department of Defense | NAICS 541990

$3,432,981

Altamira Technologies CORP

Mc Lean, VA

Mc Lean, VA | 25 awards | Top agency Department of Defense | NAICS 541712

$98,945,073

Technical Assent, LLC

Arlington, VA

Arlington, VA | 35 awards | Top agency Department of Veterans Affairs | NAICS 541611

$1,345,421

Koniag Integration Solutions, LLC

Warren, MI

Warren, MI | 5 awards | Top agency Department of Defense | NAICS 511130

$1,438,776

Nv5 Consultants, Inc.

Saint Paul, MN

Saint Paul, MN | 31 awards | Top agency Department of State | NAICS 541330

$13,287,223

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