| Business Name | Address | |
| Powersource Electrical Cntrctr | 311 Harbor St Pittsburg, CA 94565 |
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| Basic Telephone Solutions | 5223 Saddle Mountain Way Antioch, CA 94531 |
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| J M Electric | 2459 Stanford Way Antioch, CA 94531 |
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| Mission Electric Inc | 5769 Lone Tree Way Antioch, CA 94531 |
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| Nor-Cal Electric | PO Box 2713 Antioch, CA 94531 |
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