| Business | Phone |
| Costa Matt Seamless Aluminum 4380 Parkland Dr, Allentown 18104 | (610) 336-0122 |
| Costa Seamless Aluminum Gutter 2202 Belmont St, Allentown 18104 | (610) 432-9788 |
| Gutter Topper Allentown 18104 | (610) 439-6307 |
| Virginia Gutter Supply 934 Marcon Blvd # 103, Allentown 18109 | (610) 266-6773 |
| Thermal Sash Co Gutters Allentown 18104 | (610) 439-6307 |