Small Business Administration NAICS 237110 and PSC Y163 contractors

Water and Sewer Line and Related Structures Construction. CONSTRUCT/TROOP HOUSING. Use this deeper buyer cross-code page to see which visible contractors sit in the overlap between these two lanes under Small Business Administration.

Small Business Administration · NAICS 237110 · PSC Y163

Last updated: April 7, 2026

Visible recipients

Mapped obligations

$739,841,369

State overlap

Top recipients

Visible recipients in the Small Business Administration overlap of NAICS 237110 and PSC Y163

Harper Construction Company, Inc.

San Diego, CA

Harper Construction Company, Inc. is a federal category business profile based in San Diego, CA. The current public data layer shows $277,967,049 in visible federal obligations across 51 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 236220 (Commercial and Institutional Building Construction). The profile also shows meaningful product and service activity in PSC Y1BZ.

$739,841,369