| Business | Phone |
| Advance Heating & Plumbing Co 312 S Pennsylvania Ave # 1, Greensburg 15601 | (724) 834-7000 |
| Andy Benedict & Assoc 1134 Cranston Dr, Greensburg 15601 | (724) 836-0278 |
| Burke's Heating & Cooling 125 Alwine Ave, Greensburg 15601 | (724) 838-7776 |
| Carasella Plumbing & Heating Greensburg 15601 | (724) 836-7770 |
| Dan's Heating Rr 4 Box 210aa, Greensburg 15601 | (724) 668-2088 |
| Dave's Heating Cooling & Mbl Po Box 4096, Greensburg 15601 | (724) 523-0623 |
| Demilio Heating & Cooling 903 E Pittsburgh St, Greensburg 15601 | (724) 838-9360 |
| Donald's Heating 539 Waterbury Dr, Greensburg 15601 | (724) 832-9376 |
| J Harding Inc 3011 Benvenue Dr, Greensburg 15601 | (724) 832-9847 |
| Johnson's Heating & Supplies 1 N Main St, Greensburg 15601 | (724) 837-4328 |
| L W Zelmore Heating & Cooling Greensburg 15601 | (724) 836-2000 |
| Tom Packey Heating & Air Cond 1019 W Newton Rd, Greensburg 15601 | (724) 837-4272 |
| Robertson Heating Supply Co 990 Broad St, Greensburg 15601 | (724) 836-6319 |