| Business | Phone |
| Bussard Heating & Air Cond 300 California Ave, Pittsburgh 15202 | (412) 766-4722 |
| Chuck Willis Heating & Ac 5570 Brownsville Rd, Pittsburgh 15236 | (412) 884-2665 |
| F & G Cooling & Heating Co 3809 Evergreen Rd, Pittsburgh 15214 | (412) 931-3052 |
| F J Fuchs Pittsburgh 15202 | (412) 766-1100 |
| Gravener Heating & Air Cond 12 Pioneer Ave, Pittsburgh 15229 | (412) 734-3550 |
| Miscuk Heating & Air Cond 1208 Merryfield St, Pittsburgh 15204 | (412) 921-0611 |
| Polk Brothers Heating & Rfng 5124 Butler St, Pittsburgh 15201 | (412) 781-3711 |
| Schmitt Duct Sheet Metal 2502 Shiras Ave, Pittsburgh 15216 | (412) 563-4790 |
| Schultheis Brothers Co 216 Ellwood Avenue Ext, Pittsburgh 15239 | (412) 795-6131 |
| Southside Plumbing & Heating Pittsburgh 15217 | (412) 422-8116 |