| Business Name | Address | |
| T L Ferguson Electrical | 13840 Country Heights Dr Penn Valley, CA 95946 |
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| Solectra Inc | 14804 Oak Ridge Rd Penn Valley, CA 95946 |
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| Nelson Electric | Penn Valley, CA 95946 |
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| Matt Waldron Electric | PO Box 761 Penn Valley, CA 95946 |
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| Technical Electric Inc | Grass Valley, CA 95949 |
|