Small Business Administration NAICS 237110 and PSC Y1AZ contractors

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

Small Business Administration · NAICS 237110 · PSC Y1AZ

Last updated: April 12, 2026

Visible recipients

Mapped obligations

$454,369,170

State overlap

Top recipients

Visible recipients in the Small Business Administration overlap of NAICS 237110 and PSC Y1AZ

Harper Construction Company, Inc.

San Diego, CA

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

$339,956,372

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

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