| Business | Phone |
| National Waterproofing 1051 Main St E, Hamilton L8M 1N5 | (905) 543-9694 |
| Basement Technologies 35 Mountwood Ave, Hamilton L8N 2H1 | (905) 527-3325 |
| G & S Renovations 6 Quay Crt, Hamilton L8W 1R2 | (905) 548-0418 |
| Aquaseal Basement Waterproofing Hamilton Hamilton,Burlington,Oakville,London, Hamilton L9C 4C5 | (905) 525-0769 |
| Waterproofing/Hamilton Contractors/Waterproofing Hamilton,Burlington,Oakville,London, Hamilton L9C 4C5 | (905) 525-0769 |
| Waterproofing/Hamilton Contractors/Waterproofing 1-888-474-7101 Hamilton, Burlington, Stoney Creek, Dundas, Hamilton L8S 1A1 | (888) 474-7101 |