| Business Name | Address | |
| Alexander Electric | 12753 Old Us 31 Mackinaw City, MI 49701 |
 |
| Island Electric | Main Mackinac Island, MI 49757 |
|
| St Ignace Electrical Inc | 1107 Portage Rd St Ignace, MI 49781 |
|
| Lajoice Electric | 45 Michigan St St Ignace, MI 49781 |
|
| Edwards Electric Co | 3518 Old State Rd Brutus, MI 49716 |
|