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

Marcon Engineering, INC

Escondido, CA

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

$28,789,758

Imagine One Technology & Management LTD

Lexington Park, MD

Lexington Park, MD | 49 awards | Top agency Department of Defense | NAICS 541330

$1,752,556

Chugach Consolidated Solutions, LLC

Anchorage, AK

Anchorage, AK | 129 awards | Top agency Department of Defense | NAICS 236220

$133,047,142

Sealaska Environmental Services, LLC

Juneau, AK

Juneau, AK | 20 awards | Top agency Department of Defense | NAICS 562910

$6,859,948

Relyant Global LLC

Maryville, TN

Maryville, TN | 66 awards | Top agency Department of Defense | NAICS 236220

$288,795,753

Olgoonik Enterprises, LLC

Colorado Springs, CO

Colorado Springs, CO | 291 awards | Top agency Department of Defense | NAICS 236220

$472,350,601

Caddell Construction Co. (de), LLC

Montgomery, AL

Montgomery, AL | 67 awards | Top agency Department of State | NAICS 236220

$7,251,183,997

Kiewit Infrastructure South CO

Westlake, TX

Westlake, TX | 25 awards | Top agency Department of Defense | NAICS 237310

$1,951,672

Olgoonik General, LLC

Anchorage, AK

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

$103,621,573

Energy Systems Group LLC

Newburgh, IN

Newburgh, IN | 62 awards | Top agency Department of Defense | NAICS 541330

$37,258,102

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