# NAICS 2381: Foundation, Structure, and Building Exterior Contractors

No SBA size standard is recorded for NAICS 2381.

| Field | Value |
| --- | --- |
| Code | 2381 |
| Title | Foundation, Structure, and Building Exterior Contractors |
| Level | 4 |
| Parent | 238 |
| Size standard | - |
| Footnote | - |

## Description

This industry group comprises establishments primarily engaged in the specialty trades needed to complete the basic structure (i.e., foundation, frame, and shell) of buildings. The work performed may include new work, additions, alterations, maintenance, and repairs.

## Sources

- Census NAICS: https://www.census.gov/naics/
- SBA size standards: https://www.sba.gov/document/support-table-size-standards

## API and MCP

- REST: GET https://samgovapi.io/api/v1/naics/2381/size-standard?revenue_usd=...
- MCP tools: naics_lookup, size_standard_check

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