# NAICS 333994: Industrial Process Furnace and Oven Manufacturing

The SBA size standard for NAICS 333994 is 500 employees (13 CFR 121.201).

| Field | Value |
| --- | --- |
| Code | 333994 |
| Title | Industrial Process Furnace and Oven Manufacturing |
| Level | 6 |
| Parent | 33399 |
| Size standard | 500 employees |
| Footnote | - |

## Description

This U.S. industry comprises establishments primarily engaged in manufacturing industrial process ovens, induction and dielectric heating equipment, and kilns (except cement, chemical, wood). Included in this industry are establishments manufacturing laboratory furnaces and ovens.

## 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/333994/size-standard?revenue_usd=...
- MCP tools: naics_lookup, size_standard_check

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