# Cartesian, Spectrum Engineering

> Engineering firm · Fairfax, VA

## License

- US-GSA-SAM LZ3ERASZLEC6 (Sole proprietorship 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]=LZ3ERASZLEC6&sfm[simpleSearch][keywordTags][0][value]=LZ3ERASZLEC6

## Contact

- Website: http://www.cartesians.net
- Area: Fairfax, VA
- Serves: Virginia

## 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/cartesian-spectrum-engineering-fairfax-sam-lz3eraszlec6/mcp
- A2A: https://douxprocess.directory/b/cartesian-spectrum-engineering-fairfax-sam-lz3eraszlec6/a2a (card: https://douxprocess.directory/b/cartesian-spectrum-engineering-fairfax-sam-lz3eraszlec6/agent-card.json)
- JSON: https://douxprocess.directory/b/cartesian-spectrum-engineering-fairfax-sam-lz3eraszlec6.json

Listing page: https://douxprocess.directory/b/cartesian-spectrum-engineering-fairfax-sam-lz3eraszlec6. Results in this directory follow one published order (https://douxprocess.directory/ranking); nobody pays for placement.