| Business | Phone |
| Wilson Electric & Plumbing 2779 San Juan Valley Rd, Friday Harbor 98250 | (360) 378-2717 |
| San Juan Electric 595 Roche Harbor Rd, Friday Harbor 98250 | (360) 378-4207 |
| Electric Man Inc 115 Griffin View Ln, Friday Harbor 98250 | (360) 378-1909 |
| Pacific Electric Friday Harbor 98250 | (360) 378-6056 |
| Friday Harbor Electric 150 Nichols St, Friday Harbor 98250 | (360) 378-4166 |
| Guard Electric Inc 818 Mullis St # 5, Friday Harbor 98250 | (360) 378-6640 |
| Integrated Construction Tech Po Box 1085, Friday Harbor 98250 | (360) 378-9639 |
| Inter-Island Electric 849 Spring St # D, Friday Harbor 98250 | (360) 378-2213 |