| Business | Phone |
| Capco 841 N 18th St, Allentown 18104 | (610) 432-1079 |
| Dougherty Roofing 525 N 14th St, Allentown 18102 | (610) 432-9870 |
| Hill Metal Co 901 N New St, Allentown 18102 | (610) 820-0882 |
| Lehigh Sheet Metal Erecting Co 4240 W Tilghman St, Allentown 18104 | (610) 481-0820 |
| M & O Roofing Inc 1737 W Green St, Allentown 18104 | (610) 432-8854 |
| Penn Sheet Metal Inc 330 Schantz Rd, Allentown 18104 | (610) 395-8214 |
| Tin Man Sheet Metal 523 N Howard St, Allentown 18102 | (610) 439-2200 |