| Business Name | Address | |
| B H Electric | 24425 Thovson Rd Keystone, SD 57751 |
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| Freeman's Electric Svc Inc | 748 Mount Rushmore Rd Custer, SD 57730 |
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| Hills Electric | 1945 Rand Rd Rapid City, SD 57702 |
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| Beatty & Schoenberner Electric | 3409 W Main St Rapid City, SD 57702 |
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| Muth Electric Inc | 1825 Samco Rd Rapid City, SD 57702 |
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