| Business | Phone |
| Advanced Septic Maintenance 11304 Sadie Ln, Grass Valley 95945 | (530) 273-9247 |
| All-Sierra Septic 10815 Idaho Maryland Rd, Grass Valley 95945 | (530) 272-5540 |
| R S Clark Septic Charles Dr, Grass Valley 95945 | (530) 432-5633 |
| Urke Pumping & Septic Svc 13924 Day Spring Rd, Grass Valley 95945 | (530) 274-3902 |