| Business Name | Address | |
| Porterfield Electric | E Highway 34 Belle Fourche, SD 57717 |
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| Shannon Electric | 544 Oak St St Onge, SD 57779 |
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| Pie Inc | 1005 Haley Dr Whitewood, SD 57793 |
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| Koala Electric Inc | 13125 Pleasant Valley Rd Sturgis, SD 57785 |
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| Northern Hills Electric | 1214 10th St Sturgis, SD 57785 |
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