| Business | Phone |
| Action Water Heaters Seattle 98101 | (206) 625-9979 |
| Alki Plumbing & Heating 2536 Alki Ave Sw 158, Seattle 98116 | (206) 937-6664 |
| Benla Service Co Inc 3008 16th Ave W, Seattle 98119 | (206) 283-7676 |
| Fast Water Heater Co Seattle 98122 | (206) 219-4099 |
| Jensen Plumbing Seattle 98166 | (206) 244-7733 |