| Business | Phone |
| Waterproofing/Foundation Repair/Waterproofing 1-800-NO-LEAKS Oshawa,Whitby,Ajax,Pickering, Oshawa L1H 4K8 | (905) 725-3754 |
| Aquaseal Basement Waterproofing Oshawa Oshawa,Whitby,Ajax,Pickering, Oshawa L1H 4K8 | (905) 725-3754 |
| Waterproofing/Oshawa Contractors/Waterproofing 1-888-474-7101 Oshawa,Bowmanville,Newcastle,Courtice,Whitby,Ajax, Oshawa L1H 4K8 | (888) 474-7101 |