| Business Name | Address | |
| Hubers Electric | 201 Douglas Blvd Baltic, SD 57003 |
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| Milton Opland Electric Inc | 46870 Willow Creek St Baltic, SD 57003 |
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| Siemonsma Electric | 25755 456th Ave Humboldt, SD 57035 |
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| Farr Electric | 25165 459th Ave Humboldt, SD 57035 |
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| Legend Electric | 26567 462nd Ave Hartford, SD 57033 |
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