| Business | Phone |
| Road Commission Permit 2420 Pontiac Lake Rd, Waterford 48328 | (248) 858-4835 |
| Oakland Water & Sewer Adm 1 Public Works Dr, Waterford 48328 | (248) 858-1075 |
| Facilities Management Dept 1 Public Works Dr, Waterford 48328 | (248) 858-1208 |
| Oakland County Drain Comm 1 Public Works Dr, Waterford 48328 | (248) 858-0958 |
| Oakland County Facilities 1 Public Works Dr, Waterford 48328 | (248) 858-0125 |
| Oakland County Facilities Main 1 Public Works Dr, Waterford 48328 | (248) 858-0169 |
| Oakland County Farmers Mkt 2350 Pontiac Lake Rd, Waterford 48328 | (248) 858-5495 |
| Oakland County Risk Management 2805 Pontiac Lake Rd, Waterford 48328 | (248) 683-6835 |
| Oakland County Road Commission 2420 Pontiac Lake Rd, Waterford 48328 | (248) 858-4804 |
| Oakland Conservation District 2891 Dixie Hwy, Waterford 48328 | (248) 673-4496 |