| Business | Phone |
| Allied Mechanical Svc 1041 N Quebec St, Allentown 18109 | (610) 437-6161 |
| Demeter's Climate Control 1213 W Walnut St, Allentown 18102 | (610) 791-9990 |
| Ics Heating & Air Cond Co 1732 W Fairmont St, Allentown 18104 | (610) 432-8070 |
| Landmark Mechanical Svc 924 Marcon Blvd # 105, Allentown 18109 | (610) 264-5152 |
| M A Yeakel Sons Inc 5334 Oakview Dr, Allentown 18104 | (610) 398-8090 |
| R D Fuel & Heating 733 N 17th St, Allentown 18104 | (610) 435-3520 |
| S & W Plumbing Heating & A/C 2522 27th St Sw, Allentown 18103 | (610) 797-0397 |
| Sarosky Heating & Air Cond Allentown 18102 | (610) 759-1919 |