Department of Defense NAICS 237990 contractors

Other Heavy and Civil Engineering Construction. Contractors in this NAICS lane under Department of Defense.

Agency: Department of Defense

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$14,082,159,481

Visible recipients tied to Department of Defense and NAICS 237990

Clark Construction Group LLC

Bethesda, MD

Bethesda, MD | 109 awards | Top agency Department of Defense | NAICS 236220

$21,122,150

Ecc International, LLC

Burlingame, CA

Burlingame, CA | 5 awards | Top agency Department of Defense | NAICS 236220

$58,542,164

Skanska USA Civil Southeast Inc.

Maitland, FL

Maitland, FL | 5 awards | Top agency Department of Defense | NAICS 237990

$218,589,293

Aecom Energy & Construction, Inc.

Greenwood Village, CO

Greenwood Village, CO | 5 awards | Top agency Department of Defense | NAICS 237990

$254,563,037

The Haskell Company

Jacksonville, FL

Jacksonville, FL | 29 awards | Top agency Department of Defense | NAICS 236220

$6,144,565

Manson Construction CO

Seattle, WA

Seattle, WA | 86 awards | Top agency Department of Defense | NAICS 237990

$3,907,681,425

Ecc International Limited Liability Company

Virginia Beach, VA

Virginia Beach, VA | 5 awards | Top agency Department of Defense | NAICS 236220

-$5,000

Rlb Contracting, INC

Port Lavaca, TX

Port Lavaca, TX | 5 awards | Top agency Department of Defense | NAICS 237990

$182,294,181

Hensel Phelps Construction CO

Tysons Corner, VA

Tysons Corner, VA | 60 awards | Top agency Department of Defense | NAICS 236220

$189,577,157

Weston Solutions INC

West Chester, PA

West Chester, PA | 378 awards | Top agency Department of Defense | NAICS 236220

$344,334,194

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