- Action Plumbing & Heating
- Arrowhead Plumbing
- Bender Plumbing Supplies Inc
- Cordeiro Plumbing
- David Sousa Plumbing & Heating
- De Brito Co
- Eastern Mechanical
- Foley's Pump Svc
- M Monteiro & Son Inc
- Michael Barrett Plumbing
- Michael Lombardi Plumbing
- Neves Plumbing Svc
- Otto Co
- Pronto Environmental Co Inc
- Renz Plumbing & Heating
- Salvatore Plumbing LLC
- Stuckey Plumbing & Heating
- Taylor & Sons Plumbing
- Torrington Supply Co Inc
- Warren Ramey Plumbing & Htg
