| Business Name | Address | |
| J L Case & Sons | 20644 Green Acres Dr Sonora, CA 95370 |
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| Kim Persson Electric | 21223 Ridgeview Dr Sonora, CA 95370 |
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| John Diehl Electric | 19696 Whitto Mine Rd Sonora, CA 95370 |
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| Gertz Electric Inc | 15818 Curtis Cir Sonora, CA 95370 |
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| P H Electric | Sonora, CA 95370 |
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