General Services Administration NAICS 236220 contractors

Commercial and Institutional Building Construction. Contractors in this NAICS lane under General Services Administration.

Agency: General Services Administration

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$81,293,912,954

Visible recipients tied to General Services Administration and NAICS 236220

Sundt Construction, Inc.

Tempe, AZ

Tempe, AZ | 7 awards | Top agency Department of Defense | NAICS 236220

$903,086,169

Bl Harbert International LLC

Birmingham, AL

Birmingham, AL | 210 awards | Top agency Department of State | NAICS 236220

$14,973,293,750

Alutiiq International Solutions, LLC

Anchorage, AK

Anchorage, AK | 20 awards | Top agency Department of Defense | NAICS 236220

$506,373,416

Whiting-turner Contracting Company, The

Towson, MD

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

$6,884,094,367

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

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

Okland Construction Company, Inc.

Salt Lake City, UT

Salt Lake City, UT | 5 awards | Top agency General Services Administration | NAICS 236220

$316,366,856

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