| Company | Location | Certifications | License # |
|---|---|---|---|
| Crook Ryan Septic Service | Orland, CA | Installer (C-42) | 1102481 |
1 company in the CSLB Licensed C-42 Sanitation System Contractors is based in Glenn County as of 2026-07-23. Companies based elsewhere in California also commonly serve the county.
Tell us what you need — we'll connect you with state-certified companies serving your area. No obligation.