| Business | Phone |
| A-Twon Inc 914 Union Blvd, Allentown 18109 | (610) 435-7641 |
| Alvin H Butz Inc Route 309 & Route 22amp;, Allentown 18104 | (610) 395-6871 |
| Harold M Blacker 4736 Hamilton Blvd, Allentown 18103 | (610) 395-3834 |
| Regis F Dougherty 3015 College Heights Blvd, Allentown 18104 | (610) 435-2272 |
| Eagle Custom Builders 15 Spring Wood Dr, Allentown 18104 | (610) 530-8505 |
| Eagle Custom Builders 3232 W Union St, Allentown 18104 | (610) 432-3835 |
| Kay Builders Inc 5930 Hamilton Blvd # 10, Allentown 18106 | (610) 395-6857 |
| L & M Construction Co 1126 Washington Ave, Allentown 18103 | (610) 437-1017 |
| Lehigh Valley Building Systems 330 Schantz Rd, Allentown 18104 | (610) 398-1343 |
| Pole Building Co 430 Cedar Creek Blvd, Allentown 18104 | (610) 435-4857 |