| Business Name | Address | |
| Mayer Electric | 39809 259th St Mt Vernon, SD 57363 |
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| Heil Electric | Plankinton, SD 57368 |
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| C & L Electric | 609 N Duff St Plankinton, SD 57368 |
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| Rose Electric | 2840 Maui Dr Mitchell, SD 57301 |
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| Muth Electric Inc | 400 N Rowley St Mitchell, SD 57301 |
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