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NAICS 237110 · Construction

Water and Sewer Line and Related Structures Construction

15,802 active contractors list NAICS 237110 (Water and Sewer Line and Related Structures Construction) in SAM.gov; 10,700 are small under its SBA size standard and 2,626 list it as their primary NAICS.

Learn more about NAICS size standards

Active contractors
15,802
Small under 237110SBA size standard for this code
10,700
Primary NAICSTheir main line of business
2,626
Hidden registrationsExcluded, expired or inactive
260

Work this industry

Size is NAICS-specific: a firm can be small under one code and other than small under another. Learn more about small business set-asides

Contractors listing NAICS 237110

Claimed profiles come first by membership level, then companies with 237110 as their primary NAICS, then federal obligations over the last 36 months. SPRS shows the highest blind bracket met, never the score. Learn more about blind SPRS brackets

260 registrations hidden because they are excluded, expired or inactive in SAM.gov. Include them

Showing 11,141–11,160 of 15,802 contractors

Codes these contractors list most often alongside 237110: natural teaming adjacencies.