NAICS Code 2381: Foundation, Structure, and Building Exterior Contractors
The NAICS code for Foundation, Structure, and Building Exterior Contractors is 2381.
Foundation, Structure, and Building Exterior Contractors pour concrete, erect structural steel, build masonry walls, install roofing systems, and apply exterior cladding that form the structural shell of buildings. These early-phase specialty trades are critical path activities on every new construction project.
Foundation, Structure, and Building Exterior Contractors falls under the NAICS code for NAICS 238 — Specialty Trade Contractors, a subsector of Construction.
171,099
Total US Entities
8
NAICS Industries
2381
NAICS Code
Classification
NAICS Industries (5-digit)
| NAICS Code | Industry Title | US Entities |
|---|---|---|
| 23811 | NAICS 23811 — Poured Concrete Foundation and Structure Contractors | 28,000 |
| 23812 | NAICS 23812 — Structural Steel and Precast Concrete Contractors | 12,000 |
| 23813 | NAICS 23813 — Framing Contractors | 40,000 |
| 23814 | NAICS 23814 — Masonry Contractors | 25,000 |
| 23815 | NAICS 23815 — Glass and Glazing Contractors | 9,000 |
| 23816 | NAICS 23816 — Roofing Contractors | 37,099 |
| 23817 | NAICS 23817 — Siding Contractors | 12,000 |
| 23819 | NAICS 23819 — Other Foundation, Structure, and Building Exterior Contractors | 8,000 |
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Other Industry Groups in Specialty Trade Contractors
Working with legacy records? convert a NAICS code to SIC using the mapping table — NAICS 2022 at the five-digit industry level paired with SIC 1987 four-digit industries, with coverage gaps stated.