| Business | Phone |
| Ace Electric Inc 165 Highway 965 Ne, North Liberty 52317 | (319) 626-3007 |
| Anderson Electric 2698 Reservoir Dr Nw 11, North Liberty 52317 | (319) 626-2279 |
| Bauer Electric 165 E Hickory St, North Liberty 52317 | (319) 626-3218 |
| Olney Electric Llc 1460 Doe Run Dr, North Liberty 52317 | (319) 626-7711 |