Department of Defense NAICS 541330 contractors

Engineering Services. Contractors in this NAICS lane under Department of Defense.

Agency: Department of Defense

Last updated: April 19, 2026

Visible recipients

391

Mapped obligations

$384,687,047,787

Visible recipients tied to Department of Defense and NAICS 541330

Accelgov LLC

Bethesda, MD

Bethesda, MD | 89 awards | Top agency Department of Justice | NAICS 541614

$29,744,583

Chenega It Enterprise Services, LLC

Lorton, VA

Lorton, VA | 56 awards | Top agency Department of Defense | NAICS 541330

$93,773,626

Electrosoft Services, LLC

Reston, VA

Reston, VA | 108 awards | Top agency Department of Defense | NAICS 541519

$3,777,751

Asrc Federal Professional Services, LLC

Beltsville, MD

Beltsville, MD | 54 awards | Top agency Department of Defense | NAICS 561611

$160,944,917

Waller, Todd & Sadler, A Woolpert Company, LLC

Virginia Beach, VA

Virginia Beach, VA | 5 awards | Top agency Department of Defense | NAICS 541310

$13,932,918

Saliense Consulting LLC

Mclean, VA

Mclean, VA | 74 awards | Top agency Department of Homeland Security | NAICS 541611

$22,417,765

Sentar, Inc.

Huntsville, AL

Huntsville, AL | 67 awards | Top agency Department of Defense | NAICS 541330

$298,220,043

A Square Group LLC

Frederick, MD

Frederick, MD | 45 awards | Top agency Department of Health and Human Services | NAICS 541512

$3,001

Peopletec, Inc.

Huntsville, AL

Huntsville, AL | 68 awards | Top agency Department of Defense | NAICS 541330

$182,545,952

Peraton Labs INC

Basking Ridge, NJ

Basking Ridge, NJ | 73 awards | Top agency Department of Defense | NAICS 541715

$35,143,829

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