| Business | Phone |
| Affordable Plumbing & Heating 34 1st Ave, Waterbury 6710 | (203) 754-7006 |
| Asap Plumbing & Heating Inc 798 Highland Ave, Waterbury 6708 | (203) 596-1609 |
| B A Onze Plumbing Svc Waterbury 6708 | (203) 755-6378 |
| Barlow Brothers Co 66 Mattatuck Heights Rd, Waterbury 6705 | (203) 574-2550 |
| Brian's Plumbing & Heating 900 Watertown Ave, Waterbury 6708 | (203) 754-3800 |
| Canio Carbo Plumbing & Heating 48 Mcweeney Dr, Waterbury 6705 | (203) 596-7444 |
| Capinera Plumbing & Heating 439 S Leonard St, Waterbury 6708 | (203) 575-1551 |
| Case Plumbing & Heating 536 Scott Rd, Waterbury 6705 | (203) 574-5173 |
| Sam Elia 179 Pierpont Rd, Waterbury 6705 | (203) 755-6200 |
| Schmidt Plumbing & Heating Co 37 Ellsmere Ave, Waterbury 6705 | (203) 757-6524 |
| Rinaldi Plumbing & Heating 171 Atwood Ave, Waterbury 6705 | (203) 753-4061 |
| Coviello Plumbing & Heating 280 Railroad Hill St, Waterbury 6708 | (203) 573-1422 |
| R E Deschenes Plumbing & Htg 1500 N Main St, Waterbury 6704 | (203) 755-7268 |
| Dominic's Plumbing & Heating 37 Clifton Ave, Waterbury 6710 | (203) 757-5964 |
| Dr No-Clogg 71 Alexander Ave, Waterbury 6705 | (203) 358-9399 |
| Paul J Leduc & Son 22 Terrell Rd, Waterbury 6708 | (203) 757-1608 |
| F F Garrity & Son 595 Columbia Boulevard Ext, Waterbury 6704 | (203) 753-1795 |
| Fournier Contracting Corp 272 Juniper Ridge Dr, Waterbury 6708 | (203) 757-6100 |
| Frank A Garrity Co 641 Watertown Ave, Waterbury 6708 | (203) 753-1952 |
| Mr Rooter Waterbury 6702 | (203) 596-7872 |
| Heritage Enterprise Inc 495 Chipman Street Ext, Waterbury 6708 | (203) 757-1955 |
| Loschiavo Plumbing & Piping 155 Geddes Ter, Waterbury 6708 | (203) 754-7886 |
| M J Daly & Sons Inc 110 Mattatuck Heights Rd, Waterbury 6705 | (203) 753-5131 |
| Jmr Plumbing & Heating 21 Tremont St, Waterbury 6708 | (203) 596-7535 |
| K & S Systems 1 Mattoon Rd, Waterbury 6708 | (203) 596-2899 |