| Business | Phone |
| A Good Electrician 110 N Chauncey St, Columbia City 46725 | (260) 244-0055 |
| Faulkner Electric Svc 8159 S State Road 9, Columbia City 46725 | (260) 396-2781 |
| John's Plumbing Heating Po Box 955, Columbia City 46725 | (260) 609-8476 |
| Kestone Corp 7633 S Raber Rd, Columbia City 46725 | (260) 396-2660 |
| Kissinger Electric 2680 E 300 N, Columbia City 46725 | (260) 691-2318 |
| Rider Electric 402 Towerview Dr, Columbia City 46725 | (260) 248-2426 |
| S & W Electric 203 Vine St, Columbia City 46725 | (260) 244-5314 |
| Whetstone Electric Inc 314 W Van Buren St, Columbia City 46725 | (260) 244-7674 |