# NAICS 333613: Mechanical Power Transmission Equipment Manufacturing

The SBA size standard for NAICS 333613 is 750 employees (13 CFR 121.201).

| Field | Value |
| --- | --- |
| Code | 333613 |
| Title | Mechanical Power Transmission Equipment Manufacturing |
| Level | 6 |
| Parent | 33361 |
| Size standard | 750 employees |
| Footnote | - |

## Description

This U.S. industry comprises establishments primarily engaged in manufacturing mechanical power transmission equipment (except motor vehicle and aircraft), such as plain bearings, clutches (except motor vehicle and electromagnetic industrial control), couplings, joints, and drive chains.

## 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/333613/size-standard?revenue_usd=...
- MCP tools: naics_lookup, size_standard_check

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