| Business | Phone |
| 412 Heating 1700 S Canal St, Pittsburgh 15215 | (412) 432-8464 |
| 412-Plumber 1700 S Canal St, Pittsburgh 15215 | (412) 758-6237 |
| A-Comfort Svc 8600 Perry Hwy, Pittsburgh 15237 | (724) 935-8197 |
| Air-Pro Heating & Cooling 1370 Old Freeport Rd, Pittsburgh 15238 | (412) 963-1836 |
| Anthony Dongilli Heating & Air 571 Jenne Dr, Pittsburgh 15236 | (412) 653-0532 |
| Balson Heating & Cooling Co 7900 Saltsburg Rd, Pittsburgh 15239 | (412) 795-8660 |
| Beverly Heating & Cooling Inc 4525 Mcknight Rd, Pittsburgh 15237 | (412) 366-2525 |
| Bowlin Heating Ac & Plumbing Pittsburgh 15239 | (412) 793-5922 |
| Brody Heating & Air 49 W Bellecrest Ave, Pittsburgh 15227 | (412) 885-4166 |
| Brubach Plumbing Co 1314 Woods Run Ave, Pittsburgh 15212 | (412) 761-3928 |
| Cole Heating & Air Inc Pittsburgh 15227 | (412) 885-4645 |
| Conti Plumbing & Heating 500 Ridgemont Dr, Pittsburgh 15220 | (412) 922-4140 |
| Craft Heating Co 31 Noble Ave, Pittsburgh 15205 | (412) 921-6995 |
| Day & Night Heating & Air Cond 2400 Arlington Ave, Pittsburgh 15210 | (412) 488-3962 |
| Defranco Heating & Cooling Inc Pittsburgh 15227 | (412) 882-6442 |
| Denillo Heating & Cooling 2545 Brownsville Rd, Pittsburgh 15210 | (412) 885-2356 |
| E H Miller Plumbing Co 8866 Frankstown Rd, Pittsburgh 15235 | (412) 380-8000 |
| Eric J Bergfelt Heating & Clng 2647 Mcdowell St, Pittsburgh 15212 | (412) 761-7400 |
| Eror's Heating Cooling Refrig 589 Catskill Dr, Pittsburgh 15239 | (724) 733-5144 |
| Eugene Beck Co 924 Western Ave, Pittsburgh 15233 | (412) 321-3356 |
| Fas Heating & Cooling 1405 Villa Dr, Pittsburgh 15236 | (412) 571-2505 |
| Finigan Heating & Air Cond Pittsburgh 15237 | (412) 364-5665 |
| Friel Mechanical Svc 7019 Bennington Woods Dr, Pittsburgh 15237 | (412) 303-4695 |
| Graff Contracting Co 3049 Brighton Rd, Pittsburgh 15212 | (412) 761-8569 |
| H & A Heating & Air Cond 2301 Osgood St, Pittsburgh 15214 | (412) 366-2990 |
| H J Ossman Heating & Cooling 25 Fornoff St, Pittsburgh 15209 | (412) 821-1313 |
| Hamel Plumbing 5422 Baptist Rd, Pittsburgh 15236 | (412) 885-2777 |
| Heatwave Heating & A/C 2885 W Liberty Ave, Pittsburgh 15216 | (412) 341-6515 |
| James W Martin & Sons Inc 236 Chartiers Ave, Pittsburgh 15205 | (412) 922-2344 |
| John's Heating & Cooling 1102 Linden Pl, Pittsburgh 15212 | (412) 321-4360 |
| Jpl Heating & Ac 30 Sampson St, Pittsburgh 15205 | (412) 922-1454 |
| Juran Heating & Air Cond Svc 2101 Ley St, Pittsburgh 15212 | (412) 322-2134 |
| Karl W Kurz Plumbing & Heating 1536 Davis Ave, Pittsburgh 15212 | (412) 766-8512 |
| Kesco Mechanical Contrs 130 Maytide St, Pittsburgh 15227 | (412) 886-0305 |
| Keystone Plumbing Sales Co 1215 Brighton Rd, Pittsburgh 15233 | (412) 231-5600 |
| Klink Heating & Air Cond Co 2 Cedar St, Pittsburgh 15223 | (412) 781-8935 |
| Lentz's Heating & Air Cond 117 1st Ave, Pittsburgh 15222 | (412) 366-4539 |
| Lyons Electric Heating & Ac 418 Orwell Way, Pittsburgh 15224 | (412) 621-8808 |
| Martin Plumbing & Heating 981 Walnut St, Pittsburgh 15234 | (412) 531-5705 |
| Metro Heating & Cooling Corp 951 Banksville Rd, Pittsburgh 15216 | (412) 561-7330 |
| Michael F Poremski Plumbing 803 Rossmore Ave, Pittsburgh 15226 | (412) 531-3035 |
| C J Pierce 1204 Dormont Ave, Pittsburgh 15216 | (412) 561-1924 |
| Pittsburgh Heating & Elec 1532 Princess Ave, Pittsburgh 15216 | (412) 921-9734 |
| Pittsburgh Heating & Elect Svc 2702 Voelkel Ave, Pittsburgh 15216 | (412) 561-5186 |
| Pleasant Hills Plumbing & Htg 1145 Forest Ave, Pittsburgh 15236 | (412) 655-3275 |
| Popovich Heating & Air Cndtng 450 Penn St, Pittsburgh 15227 | (412) 884-1570 |
| Robertson Heating Supply Co 952 Noblestown Rd, Pittsburgh 15205 | (412) 922-0500 |
| Sanders Heating & Cooling 1645 Beryl Dr, Pittsburgh 15227 | (412) 881-7313 |
| Saunders Plumbing Inc 963 Perry Hwy, Pittsburgh 15237 | (412) 766-8150 |
| Schultheis Brothers Co 1001 Millers Ln, Pittsburgh 15239 | (412) 793-8000 |
| Speakman & Tracey Heating 18 Leslie St, Pittsburgh 15205 | (412) 921-2620 |
| Ssj Hvac & Electric Inc Pittsburgh 15216 | (412) 337-4206 |
| Staab & Sons Inc 1921 Saw Mill Run Blvd, Pittsburgh 15210 | (412) 881-6100 |
| Sullivan Service Pittsburgh 15212 | (412) 963-0732 |
| Sun-Ray Heating & Cooling Co 801 Cumberland Rd, Pittsburgh 15237 | (412) 367-4600 |
| Sun-Ray Heating Air Cond Inc 2490 Wildwood Rd, Pittsburgh 15223 | (412) 486-1700 |
| Tabuso Plumbing Heating 1011 South Rd, Pittsburgh 15209 | (412) 821-4527 |
| Ted Thompson Heating & Cooling 1245 Tennessee Ave, Pittsburgh 15216 | (412) 343-0521 |
| Tedesco Heating & Cooling 1101 King Ave # 1, Pittsburgh 15206 | (412) 441-7747 |
| Weidner Heating & Air Cond Inc 185 Perry Hwy, Pittsburgh 15229 | (412) 931-7300 |
| White Heating Inc 3467 Babcock Blvd, Pittsburgh 15237 | (412) 364-5003 |
| William E Torbich Heating 2001 Monongahela Ave, Pittsburgh 15218 | (412) 431-6606 |
| William T Leslie Heating & Ac 800 Mount Royal Blvd, Pittsburgh 15223 | (412) 492-1890 |
| R A Kwiatkowski Plumbing & Htg Pittsburgh 15237 | (412) 364-7321 |
| R C Shrefler Heating & A/C 803 Newport Dr, Pittsburgh 15234 | (412) 563-1180 |