Department of Defense NAICS 236220 contractors

Commercial and Institutional Building Construction. Contractors in this NAICS lane under Department of Defense.

Agency: Department of Defense

Last updated: April 20, 2026

Visible recipients

184

Mapped obligations

$124,447,082,573

Visible recipients tied to Department of Defense and NAICS 236220

Kiewit Phelps

Omaha, NE

Omaha, NE | 1 awards | Top agency Department of Defense | NAICS 236220

$616,467,976

Whiting-turner Contracting Company, The

Towson, MD

Towson, MD | 232 awards | Top agency Department of Defense | NAICS 236220

$6,884,094,367

Alutiiq Pacific, LLC

Anchorage, AK

Anchorage, AK | 20 awards | Top agency Department of Defense | NAICS 561210

$61,284,556

Kbr Services, LLC

Houston, TX

Houston, TX | 386 awards | Top agency Department of Defense | NAICS 561210

$201,687,789

Nan INC

Honolulu, HI

Honolulu, HI | 100 awards | Top agency Department of Defense | NAICS 236220

$1,499,635,785

Aleut Facilities Support Services, LLC

Colorado Springs, CO

Colorado Springs, CO | 20 awards | Top agency Department of Defense | NAICS 561210

$13,295,465

Tetra Tech Ec, Inc.

San Diego, CA

San Diego, CA | 5 awards | Top agency Department of Defense | NAICS 562910

$100,846,958

Kiewit Infrastructure West Co.

Vancouver, WA

Vancouver, WA | 58 awards | Top agency Department of Defense | NAICS 237990

$125,475,757

Walsh Federal LLC

Chicago, IL

Chicago, IL | 169 awards | Top agency Department of Defense | NAICS 236220

$2,317,374,085

Clark Construction Group LLC

Bethesda, MD

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

$6,392,042,808

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