Department of Defense PSC Y1BZ contractors

CONSTRUCTION OF OTHER AIRFIELD STRUCTURES. Contractors in this PSC lane under Department of Defense.

Agency: Department of Defense

Last updated: April 13, 2026

Visible recipients

Mapped obligations

$3,375,306,168

Visible recipients tied to Department of Defense and PSC Y1BZ

Watts Constructors LLC

Mc Lean, VA

Mc Lean, VA | 5 awards | Top agency Department of Defense | NAICS 236220

$40,316,040

Walsh Federal LLC

Chicago, IL

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

$973,157,261

Okland Construction Company, Inc.

Salt Lake City, UT

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

$36,796,379

Harper Construction Company, Inc.

San Diego, CA

San Diego, CA | 51 awards | Top agency Department of Defense | NAICS 236220

$788,592,759

Clark Construction Group - California, LP

Costa Mesa, CA

Costa Mesa, CA | 17 awards | Top agency Department of Defense | NAICS 236220

$287,518,057

The Haskell Company

Jacksonville, FL

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

$79,664,347

Conti Federal Services, LLC

Orlando, FL

Orlando, FL | 136 awards | Top agency Department of Defense | NAICS 236220

$485,758,855

Walsh Federal/alberici Jv

Chicago, IL

Chicago, IL | 1 awards | Top agency Department of Defense | NAICS 236220

$129,241,009

Cdm Constructors Inc.

Boston, MA

Boston, MA | 31 awards | Top agency Department of Defense | NAICS 237110

$91,829,277

Black Construction Corporation

Harmon, GU

Harmon, GU | 5 awards | Top agency Department of Defense | NAICS 237990

$87,534,230

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