| Business Name | Address | |
| Cozine Electric Inc | 405 E King Ave Chamberlain, SD 57325 |
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| Oden's Electric | 308 N Main St Chamberlain, SD 57325 |
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| Barrett Electric | 602 E G Ln Chamberlain, SD 57325 |
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| Guest Electric Heating & AC | 107 E Clemmer Ave Chamberlain, SD 57325 |
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| Feller Electric | 19725 Tower Pl Blunt, SD 57522 |
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