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Department of Defense NAICS 541330 contractors

Engineering Services. Use this buyer-scoped industry page to see which visible contractors sit closest to this NAICS lane under Department of Defense.

Agency: Department of Defense

Last updated: April 13, 2026

Visible recipients

371

Mapped obligations

$380,788,574,683

Visible recipients tied to Department of Defense and NAICS 541330

Yulista Integrated Solutions, LLC

Huntsville, AL

Huntsville, AL | 36 awards | Top agency Department of Defense | NAICS 336992

$31,506,449

Data Systems Analysts INC

Fairfax, VA

Fairfax, VA | 12 awards | Top agency Department of Defense | NAICS 541712

$38,914,928

Chenega Security International, LLC

Chantilly, VA

Chantilly, VA | 28 awards | Top agency Department of Defense | NAICS 561612

$84,461,264

Dt Professional Services, LLC

Moorpark, CA

Moorpark, CA | 59 awards | Top agency Department of Defense | NAICS 541330

$23,761,023

Leidos Innovations Corporation

Gaithersburg, MD

Gaithersburg, MD | 2 awards | Top agency Department of Transportation | NAICS 334290

$13,413,128

Kiewit Infrastructure Co.

Woodcliff Lake, NJ

Woodcliff Lake, NJ | 22 awards | Top agency Department of Defense | NAICS 237310

$20,000

Kleinfelder-geomatrix

San Diego, CA

San Diego, CA | 5 awards | Top agency Department of Defense | NAICS 541330

$22,740,464

Mcr Federal, LLC

Alexandria, VA

Alexandria, VA | 23 awards | Top agency Department of Defense | NAICS 541712

$117,846,495

Serco-ips Corporation

Herndon, VA

Herndon, VA | 32 awards | Top agency Department of Defense | NAICS 541330

$2,605,627,585

Arservices, Limited

Falls Church, VA

Falls Church, VA | 33 awards | Top agency Department of Defense | NAICS 541330

$134,377,046

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