| Business Name | Address | |
| Gruenwald Electric | 101 5th Ave NE Clark, SD 57225 |
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| Swanson Electric | 701 W 3rd St Redfield, SD 57469 |
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| Locke Electric Inc | 9 N 3rd St Groton, SD 57445 |
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| Ringgenberg Electric Inc | 324 Columbia Dr Aberdeen, SD 57401 |
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| Lighthouse Electric | 1234 Casper Ave Aberdeen, SD 57401 |
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