# NAICS 81331: Social Advocacy Organizations

No SBA size standard is recorded for NAICS 81331.

| Field | Value |
| --- | --- |
| Code | 81331 |
| Title | Social Advocacy Organizations |
| Level | 5 |
| Parent | 8133 |
| Size standard | - |
| Footnote | - |

## Description

This industry comprises establishments primarily engaged in promoting a particular cause or working for the realization of a specific social or political goal to benefit a broad or specific constituency. These organizations may solicit contributions and offer memberships to support these goals.

## 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/81331/size-standard?revenue_usd=...
- MCP tools: naics_lookup, size_standard_check

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