| Business | Phone |
| Central Penn Waterproofing Allentown 18102 | (610) 435-4420 |
| East Coast Waterproofing 1386 Brookside Rd, Allentown 18106 | (484) 221-9915 |
| Frank I Cseve General Contract 911 N Emery St, Allentown 18102 | (610) 433-8332 |
| Jes Basement Systems 3717 Huckleberry Rd, Allentown 18104 | (610) 395-8900 |
| Mid-Atlantic Waterproofing Allentown 18102 | (610) 434-4100 |