| Business Name | Address | |
| Locke Electric Inc | 9 N 3rd St Groton, SD 57445 |
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| Gruenwald Electric | 101 5th Ave NE Clark, SD 57225 |
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| Feickert Electric | 503 17th Ave NE Aberdeen, SD 57401 |
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| Schwan Electric Inc | 801 Railroad Ave SE Aberdeen, SD 57401 |
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| Mc Garry Electric | 820 S 10th St Aberdeen, SD 57401 |
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