| Business | Phone |
| Accountable Waterproofing Seattle 98115 | (206) 524-1419 |
| Allied Waterproofing Seattle 98101 | (206) 624-7333 |
| Aqueous Solutions Seattle 98104 | (206) 587-4411 |
| B-Dry System 3007 Ne 185th St, Seattle 98155 | (206) 778-2379 |
| Basement Waterproofing Seattle 98121 | (206) 448-1708 |
| Belltown Coatings 1741 Nw 97th St, Seattle 98117 | (206) 781-4880 |
| Contech Services 5304 3rd Ave S, Seattle 98108 | (206) 763-9877 |
| Division Seven Waterproofing 16300 Aurora Ave N A, Seattle 98133 | (206) 542-5200 |
| Ect Northwest Seattle 98109 | (206) 283-3515 |
| Ersfeld Sundecks 4509 1/2 Latona Ave Ne, Seattle 98105 | (206) 634-0677 |
| Btw Of Nw Inc Po Box 77791, Seattle 98177 | (206) 542-0595 |
| Hdm Caulking Co Seattle 98101 | (206) 224-2575 |