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NAICS 237110 and PSC Y1AZ contractors

Water and Sewer Line and Related Structures Construction. CONSTRUCTION OF OTHER ADMINISTRATIVE FACILITIES AND SERVICE BUILDINGS. Cross-code contractor overlap.

NAICS 237110 + PSC Y1AZ

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$1,285,465,133

State overlap

Top recipients

Visible recipients in the NAICS 237110 and PSC Y1AZ overlap

Rq Construction, LLC

Carlsbad, CA

Carlsbad, CA | 120 awards | Top agency Department of Defense | NAICS 236220

$707,066,308

Harper Construction Company, Inc.

San Diego, CA

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

$339,956,372

The Haskell Company

Jacksonville, FL

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

$92,433,361

Tunista Construction LLC

Tacoma, WA

Tacoma, WA | 5 awards | Top agency Department of Defense | NAICS 236220

$21,682,528

J & J Contractors, Inc.

North Billerica, MA

North Billerica, MA | 16 awards | Top agency Department of Defense | NAICS 236220

$68,388,093

Doyon Technical Services, LLC

Federal Way, WA

Federal Way, WA | 20 awards | Top agency Department of Defense | NAICS 236220

$24,342,177

Sitnasuak Construction Services LLC

Anchorage, AK

Anchorage, AK | 15 awards | Top agency Department of Commerce | NAICS 236220

$771,656

Doyon Project Services, LLC

Federal Way, WA

Federal Way, WA | 20 awards | Top agency Department of Defense | NAICS 236220

$30,824,638

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