# NAICS 332321: Metal Window and Door Manufacturing

The SBA size standard for NAICS 332321 is 750 employees (13 CFR 121.201).

| Field | Value |
| --- | --- |
| Code | 332321 |
| Title | Metal Window and Door Manufacturing |
| Level | 6 |
| Parent | 33232 |
| Size standard | 750 employees |
| Footnote | - |

## Description

This U.S. industry comprises establishments primarily engaged in manufacturing metal framed windows (i.e., typically using purchased glass) and metal doors. Examples of products made by these establishments are metal door frames; metal framed window and door screens; and metal molding and trim (except automotive).

## 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/332321/size-standard?revenue_usd=...
- MCP tools: naics_lookup, size_standard_check

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