# NAICS 327320: Ready-Mix Concrete Manufacturing

The SBA size standard for NAICS 327320 is 500 employees (13 CFR 121.201).

| Field | Value |
| --- | --- |
| Code | 327320 |
| Title | Ready-Mix Concrete Manufacturing |
| Level | 6 |
| Parent | 32732 |
| Size standard | 500 employees |
| Footnote | - |

## Description

This industry comprises establishments, such as batch plants or mix plants, primarily engaged in manufacturing concrete delivered to a purchaser in a plastic and unhardened state. Ready-mix concrete manufacturing establishments may mine, quarry, or purchase sand and gravel.

## 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/327320/size-standard?revenue_usd=...
- MCP tools: naics_lookup, size_standard_check

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