| Business | Phone |
| Ducolon Mechanical Inc 9624 20th Ave E, Tacoma 98445 | (253) 531-2332 |
| Mechanical Technologies 1423 E 29th St 308, Tacoma 98404 | (253) 722-5820 |
| Mr Electric 5303 Pacific Hwy E 260, Tacoma 98424 | (253) 584-8146 |
| Lighthorse Electric 1423 E 29th St 206, Tacoma 98404 | (253) 722-5950 |
| Ault Electric 1202 N Orchard St, Tacoma 98406 | (253) 761-0629 |
| A 1 Electric Co 3861 N Ferdinand St, Tacoma 98407 | (253) 752-3363 |
| North Pointe Electric 3519 N Bennett St, Tacoma 98407 | (253) 759-0742 |
| Lander Electric Tacoma 98409 | (253) 472-2244 |
| Residential Wiring Specialists 4112 104th St E, Tacoma 98446 | (253) 333-1300 |
| Madsen Electric 3939 S Orchard St, Tacoma 98466 | (253) 564-2267 |