| Business | Phone |
| Brooks Range Contract Svc 2905 C St Sw, Auburn 98001 | (253) 931-0223 |
| Ced 4826 B St Nw 105, Auburn 98001 | (253) 852-5454 |
| Kirby Electric 4826 B St Nw 101, Auburn 98001 | (253) 859-2000 |
| Midvale Electric Inc 902 W Main St, Auburn 98001 | (253) 804-5697 |
| Pacer Steel Inc 2605 W Valley Hwy N, Auburn 98001 | (253) 838-8300 |
| Pacific Custom Cable Inc 4170 B Pl Nw, Auburn 98001 | (253) 373-0800 |
| Seattle Mechanical 899 W Main St, Auburn 98001 | (253) 939-9495 |
| Western Telcom Llc 33057 38th Ave S, Auburn 98001 | (253) 569-5244 |
| On Site Power Inc Auburn 98002 | (253) 804-0153 |
| Ostlund Electric Inc 1006 A St Se, Auburn 98002 | (253) 833-5282 |
| Reinhart Electric Auburn 98002 | (253) 833-0752 |
| Wilderness Electric Inc Auburn 98002 | (253) 833-2738 |
| Taylor Electric 31029 164th Ave Se, Auburn 98092 | (253) 631-4404 |
| Valley Electrical Construction 31816 109th Ave Se, Auburn 98092 | (253) 833-9234 |