# NAICS 33131: Alumina and Aluminum Production and Processing

No SBA size standard is recorded for NAICS 33131.

| Field | Value |
| --- | --- |
| Code | 33131 |
| Title | Alumina and Aluminum Production and Processing |
| Level | 5 |
| Parent | 3313 |
| Size standard | - |
| Footnote | - |

## Description

This industry comprises establishments primarily engaged in one or more of the following: (1) refining alumina; (2) making (i.e., the primary production) aluminum from alumina; (3) recovering aluminum from scrap or dross; (4) alloying purchased aluminum; and (5) manufacturing aluminum primary forms (e.g., bar, foil, pipe, plate, rod, sheet, tube, wire).

## 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/33131/size-standard?revenue_usd=...
- MCP tools: naics_lookup, size_standard_check

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