General Services Administration NAICS 238220 and PSC Z2AA contractors

Plumbing, Heating, and Air-Conditioning Contractors. REPAIR OR ALTERATION OF OFFICE BUILDINGS. Cross-code overlap under General Services Administration.

General Services Administration · NAICS 238220 · PSC Z2AA

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$820,881,210

State overlap

Top recipients

Visible recipients in the General Services Administration overlap of NAICS 238220 and PSC Z2AA

Whiting-turner Contracting Company, The

Towson, MD

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

$531,018,746

Olgoonik General, LLC

Anchorage, AK

Anchorage, AK | 143 awards | Top agency Department of Health and Human Services | NAICS 236220

$31,676,861

King George - J & J Worldwide Services Joint Venture LLC

Fort Worth, TX

Fort Worth, TX | 5 awards | Top agency Department of Defense | NAICS 561210

$10,425,797

Ho-chunk Builders Company

Winnebago, NE

Winnebago, NE | 20 awards | Top agency Department of Defense | NAICS 236220

$17,576,845

Messer Construction CO

Cincinnati, OH

Cincinnati, OH | 75 awards | Top agency Department of Defense | NAICS 236220

$67,119,789

Honeywell Building Solutions Ses CORP

Minneapolis, MN

Minneapolis, MN | 6 awards | Top agency General Services Administration | NAICS 541330

$148,605,364

Techflow Mission Support, LLC

Idaho Falls, ID

Idaho Falls, ID | 51 awards | Top agency Department of Defense | NAICS 561210

$1,561,941

Mckinstry CO LLC

Seattle, WA

Seattle, WA | 5 awards | Top agency General Services Administration | NAICS 238220

$12,885,367

Sauer Incorporated

Columbus, OH

Columbus, OH | 5 awards | Top agency Department of Defense | NAICS 238220

$10,500

Agency profile

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