| Business | Phone |
| Ryan Oil Co 54 Carmel St, New Haven 6511 | (203) 248-6984 |
| Davis Associates Inc New Haven 6511 | (203) 752-0012 |
| Enterprise Plumbing & Heating 801 State St, New Haven 6511 | (203) 787-4311 |
| Essential Plumbing & Heating 70 Cove St, New Haven 6512 | (203) 469-4677 |