| Business Name | Address | |
| Lopez Island Electric Co | 986 Dill Rd # D Lopez Island, WA 98261 |
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| Guard Electric Inc | 818 Mullis St # 5 Friday Harbor, WA 98250 |
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| Friday Harbor Electric | 150 Nichols St Friday Harbor, WA 98250 |
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| Wilson Electric & Plumbing | 2779 San Juan Valley Rd Friday Harbor, WA 98250 |
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| San Juan Electric | 595 Roche Harbor Rd Friday Harbor, WA 98250 |
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