| Business Name | Address | |
| Alan Wallace Electrical | 10753 Airport Rd Columbia, CA 95310 |
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| Barry Electric | 22240 Fortuna Mine Rd Sonora, CA 95370 |
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| Gertz Electric Inc | 15818 Curtis Cir Sonora, CA 95370 |
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| Incotec | 16572 S Creekside Dr Sonora, CA 95370 |
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| J L Case & Sons | 20644 Green Acres Dr Sonora, CA 95370 |
|