| Business | Phone |
| Grafton City Adm 5 E 4th St, Grafton 58237 | (701) 352-1561 |
| Grafton Electric Plant 724 N P Ave, Grafton 58237 | (701) 352-0380 |
| Grafton Power Dept 7001 Highway 81, Grafton 58237 | (701) 352-1008 |
| Grafton Street Maintenance 534 Thompson Rd, Grafton 58237 | (701) 352-1630 |
| Grafton Vehicle Maintenance 534 Thompson Rd N, Grafton 58237 | (701) 352-3899 |