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

Digital Consultants, LLC

Alexandria, VA

Alexandria, VA | 84 awards | Top agency Department of Defense | NAICS 541512

$9,842,186

Parsons Technical Services INC

Pasadena, CA

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

$63,607,232

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

Old Harbor, LLC

Anchorage, AK

Anchorage, AK | 20 awards | Top agency Department of Defense | NAICS 541330

$14,237,445

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

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