# Onyx Foundation Inc

> Mental health clinic · Star Prairie, WI

## License

- US-IRS-EO 843009191 (501(c)(3) public charity), status Active: matched against the issuer's own file on 2026-11-09. Issuer's record: https://www.irs.gov/charities-non-profits/exempt-organizations-business-master-file-extract-eo-bmf

## Contact

- Area: Star Prairie, WI
- Serves: Wisconsin

## Requests

Built from public records; the business has not claimed this listing. Contact it directly.

## This listing as an agent

- MCP: https://douxprocess.directory/b/onyx-foundation-inc-star-prairie-eo-843009191/mcp
- A2A: https://douxprocess.directory/b/onyx-foundation-inc-star-prairie-eo-843009191/a2a (card: https://douxprocess.directory/b/onyx-foundation-inc-star-prairie-eo-843009191/agent-card.json)
- JSON: https://douxprocess.directory/b/onyx-foundation-inc-star-prairie-eo-843009191.json

Listing page: https://douxprocess.directory/b/onyx-foundation-inc-star-prairie-eo-843009191. Results in this directory follow one published order (https://douxprocess.directory/ranking); nobody pays for placement.