| Business Name | Address | |
| C & L Electric | 609 N Duff St Plankinton, SD 57368 |
 |
| Mayer Electric | 39809 259th St Mt Vernon, SD 57363 |
|
| D & J Electric Inc | 150 E 7th St Corsica, SD 57328 |
|
| Johnson Electric | 27278 391st Ave Corsica, SD 57328 |
|
| John's Electric | 25881 SD Highway 37 Mitchell, SD 57301 |
|