| Business | Phone |
| Abc Discount Water Treatment 8200 Woodland Shore Dr, Brighton 48114 | (810) 227-3366 |
| Best Water Treatment 7286 Grand River Rd, Brighton 48114 | (810) 227-4770 |
| State Soft Water Co 9932 Weber St, Brighton 48116 | (989) 227-4561 |
| Brighton-Howell Soft-Water Co Brighton 48116 | (810) 229-0950 |
| Hypo Systems 1051 Long Leaf Ct, Brighton 48116 | (810) 220-0605 |