| Business Name | Address | |
| Cedar Ridge Electric Co | 23003 Joaquin Gulley Rd Twain Harte, CA 95383 |
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| Will Clark Electric | 19747 Porto Fino Rd Tuolumne, CA 95379 |
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| Tri-Technic Inc | 55 W Stockton St Sonora, CA 95370 |
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| Bendix Electric | 19203 Soulsbyville Rd Sonora, CA 95370 |
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| Mantech Electric | 19673 Rawhide Rd Sonora, CA 95370 |
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