| Business | Phone |
| Abbey's Refrigeration Co 2085 S Main St, Waterbury 6706 | (203) 754-2895 |
| Air-Temperature Heating & Clng 1669 Thomaston Ave, Waterbury 6704 | (203) 757-0086 |
| American Heating Svc 64 Westridge Dr, Waterbury 6708 | (203) 756-5040 |
| Vcm Heating & Air Cond 1669 Thomaston Ave, Waterbury 6704 | (203) 575-1687 |
| Tec Air Conditioning Mntenance 66 Mattatuck Heights Rd, Waterbury 6705 | (203) 575-1260 |
| Truair Service Inc 62 Hartley Dr, Waterbury 6705 | (203) 573-1965 |
| Custom Sheet Metal Systems 326 Raymond St, Waterbury 6706 | (203) 530-8060 |
| Dominic Izzi Heating & Cooling 2649 N Main St, Waterbury 6704 | (203) 591-1221 |
| Gerald E Pannoni Plumbing 460 Congress Ave, Waterbury 6708 | (203) 754-4698 |
| M J Fahy & Sons Inc 20 Judd St, Waterbury 6702 | (203) 574-4808 |