| Business Name | Address | |
| GCI Electric | Highland, CA 92346 |
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| Noble Electric & Comm | 29561 Chandler Rd Highland, CA 92346 |
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| Universal Techs | 7658 Lankershim Ave Highland, CA 92346 |
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| Jms Electric | 6965 Dover Ct Highland, CA 92346 |
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| Highland Electric | 3631 Lynwood Dr Highland, CA 92346 |
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