# Mark Costello CO

> Equipment service · Paramount, CA

## License

- US-GSA-SAM GNPMUJF3ZNY6 (Corporation registered in SAM.gov), status Active: matched against the issuer's own file on 2026-10-23. Issuer's record: https://sam.gov/search/?index=ent&sfm[simpleSearch][keywordRadio]=ALL&sfm[simpleSearch][keywordTags][0][key]=GNPMUJF3ZNY6&sfm[simpleSearch][keywordTags][0][value]=GNPMUJF3ZNY6

## Contact

- Website: http://www.mark-costello.com
- Area: Paramount, CA
- Serves: California

## 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/mark-costello-co-paramount-sam-gnpmujf3zny6/mcp
- A2A: https://douxprocess.directory/b/mark-costello-co-paramount-sam-gnpmujf3zny6/a2a (card: https://douxprocess.directory/b/mark-costello-co-paramount-sam-gnpmujf3zny6/agent-card.json)
- JSON: https://douxprocess.directory/b/mark-costello-co-paramount-sam-gnpmujf3zny6.json

Listing page: https://douxprocess.directory/b/mark-costello-co-paramount-sam-gnpmujf3zny6. Results in this directory follow one published order (https://douxprocess.directory/ranking); nobody pays for placement.