| Business | Phone |
| Maple Valley Electric 26828 Maple Valley Hwy Pmb208, Maple Valley 98038 | (425) 413-5212 |
| Maximum Electric Maple Valley 98038 | (425) 413-0477 |
| Mountain States Electric 21834 Se 265th St, Maple Valley 98038 | (425) 432-6689 |
| Wilderness Electric 23220 Maple Vly Hwy Se 205, Maple Valley 98038 | (425) 432-1747 |