NAICS Code 23811 — Poured Concrete Foundation and Structure Contractors

NAICS Industry in the official 2022 North American Industry Classification System (U.S. Census Bureau). It contains 1 direct sub-code.

Code	23811
Title	Poured Concrete Foundation and Structure Contractors
Level	NAICS Industry (5-digit)
Edition	NAICS 2022 edition

Official definition (2022 NAICS)

This industry comprises establishments primarily engaged in pouring and finishing concrete foundations and structural elements. This industry also includes establishments performing grout and shotcrete work. The work performed may include new work, additions, alterations, maintenance, and repairs.

Illustrative Examples:

Concrete pouring and finishing

Gunite contractors

Concrete pumping (i.e., placement)

Mud-jacking contractors

Concrete work (except paving)

Shotcrete contractors

Footing and foundation concrete contractors

This national industry shares the official Census description of 238110.

Where 23811 sits in the hierarchy

Level	Code	Title
Sector	23	Construction
Subsector	238	Specialty Trade Contractors
Industry Group	2381	Foundation, Structure, and Building Exterior Contractors
NAICS Industry	23811	Poured Concrete Foundation and Structure Contractors

Codes under 23811

Code	Title
238110	Poured Concrete Foundation and Structure Contractors

Related NAICS Industry codes

• 23812 — Structural Steel and Precast Concrete Contractors
• 23813 — Framing Contractors
• 23814 — Masonry Contractors
• 23815 — Glass and Glazing Contractors
• 23816 — Roofing Contractors
• 23817 — Siding Contractors
• 23819 — Other Foundation, Structure, and Building Exterior Contractors

Data: official 2022 NAICS structure, descriptions and Census concordances, U.S. Census Bureau — U.S. government works in the public domain (17 U.S.C. §105). Suggested reference, not an official determination.