| Business | Phone |
| Waste Water Treatment Plan 23500 Dixboro Rd, South Lyon 48178 | (248) 486-0740 |
| Tri Tron 27977 Woodstream Dr, South Lyon 48178 | (248) 486-3311 |
| Country Water Treatment Inc 13658 10 Mile Rd, South Lyon 48178 | (248) 437-9136 |
| Michigan Water Svc Inc 12676 10 Mile Rd, South Lyon 48178 | (248) 486-9302 |