| Business Name | Address | |
| Lundberg Electric | 410 3rd Ave S Clear Lake, SD 57226 |
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| Engelstad Electric | 622 Arrow Ave NE Watertown, SD 57201 |
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| Dupont Electric Inc | 419 4th St SW Watertown, SD 57201 |
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| Muth Electric Inc | 415 3rd Ave NW Watertown, SD 57201 |
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| Marquardt Electric Inc | 1018 3rd Ave NW Watertown, SD 57201 |
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