| Business Name | Address | |
| Lundberg Electric | 410 3rd Ave S Clear Lake, SD 57226 |
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| Beste Electric | 108 7th St S Estelline, SD 57234 |
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| Dockter's Electric | 2715 Sioux Conifer Rd Watertown, SD 57201 |
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| Engelstad Electric | 622 Arrow Ave NE Watertown, SD 57201 |
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| Marquardt Electric Inc | 1018 3rd Ave NW Watertown, SD 57201 |
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