| Business Name | Address | |
| Eec Electrical Contractors | PO Box 96 Knightsen, CA 94548 |
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| Furlong Electric Co | 5381 Sellers Ave Oakley, CA 94561 |
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| D B Electric | PO Box 4033 Oakley, CA 94561 |
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| Dillon Electric | Oakley, CA 94561 |
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| Dek Electric Co | 6199 Sellers Ave Oakley, CA 94561 |
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