| Business | Phone |
| Edward Simmons Plumbing & Htg 12 Hastings Ln, Hampton Bays 11946 | (631) 728-1866 |
| Hampton Bays Plumbing & Htg 48 Wakeman Rd, Hampton Bays 11946 | (631) 728-0005 |
| J P Mulvey Plumbing & Heating 164 E Montauk Hwy, Hampton Bays 11946 | (631) 283-2234 |
| Sentry Automatic Sprinkler Inc 34 Shinnecock Rd # A, Hampton Bays 11946 | (631) 723-3095 |