# NAICS 327993: Mineral Wool Manufacturing

The SBA size standard for NAICS 327993 is 1,500 employees (13 CFR 121.201).

| Field | Value |
| --- | --- |
| Code | 327993 |
| Title | Mineral Wool Manufacturing |
| Level | 6 |
| Parent | 32799 |
| Size standard | 1,500 employees |
| Footnote | - |

## Description

This U.S. industry comprises establishments primarily engaged in manufacturing mineral wool and mineral wool (i.e., fiberglass) insulation products made of such siliceous materials as rock, slag, and glass or combinations thereof.

## 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/327993/size-standard?revenue_usd=...
- MCP tools: naics_lookup, size_standard_check

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