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

Peerless Technologies Corporation

Fairborn, OH

Fairborn, OH | 65 awards | Top agency Department of Defense | NAICS 541330

$265,223,961

Leidos Security Detection & Automation, Inc.

Tewksbury, MA

Tewksbury, MA | 56 awards | Top agency Department of Homeland Security | NAICS 334517

$336,047,909

Integral Federal, Inc.

Mc Lean, VA

Mc Lean, VA | 72 awards | Top agency Department of Defense | NAICS 333244

$167,008,213

Black & Veatch Corporation

Alpharetta, GA

Alpharetta, GA | 5 awards | Top agency Environmental Protection Agency | NAICS 541611

$143,247

Riverside Research Institute

New York, NY

New York, NY | 45 awards | Top agency Department of Defense | NAICS 541712

$211,502,895

Sumaria Systems, LLC

Beavercreek, OH

Beavercreek, OH | 104 awards | Top agency Department of Defense | NAICS 541712

$30,932,628

Tyonek Aircraft Overhaul, LLC

Anchorage, AK

Anchorage, AK | 15 awards | Top agency Department of Homeland Security | NAICS 334511

$500

Trane U.s. Inc.

White Bear Lake, MN

White Bear Lake, MN | 324 awards | Top agency Department of Defense | NAICS 541330

$421,974,868

Kleinfelder INC

Rancho Cordova, CA

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

$23,847,278

Schneider Electric Buildings Americas, Inc.

Carrollton, TX

Carrollton, TX | 54 awards | Top agency Department of Defense | NAICS 541330

$320,427,594

Page 20 of 40Prev 1...19 20 21...40 Next

Agency profile

Loading buyer-level contractor and category paths