# NAICS 327120: Clay Building Material and Refractories Manufacturing

The SBA size standard for NAICS 327120 is 750 employees (13 CFR 121.201).

| Field | Value |
| --- | --- |
| Code | 327120 |
| Title | Clay Building Material and Refractories Manufacturing |
| Level | 6 |
| Parent | 32712 |
| Size standard | 750 employees |
| Footnote | - |

## Description

This industry comprises establishments primarily engaged in shaping, molding, baking, burning, or hardening clay refractories, nonclay refractories, ceramic tile, structural clay tile, brick, and other structural clay building materials. A refractory is a material that will retain its shape and chemical identity when subjected to high temperatures and is used in applications that require extreme resistance to heat, such as furnace linings.

## 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/327120/size-standard?revenue_usd=...
- MCP tools: naics_lookup, size_standard_check

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