| Business | Phone |
| Hardy Plumbing & Heating 13501 Main Rd, Mattituck 11952 | (631) 298-8181 |
| Roger Mc Carvill Plumbing/Htg 13500 Main Rd, Mattituck 11952 | (631) 765-9333 |
| Tandy Plumbing & Heating 55 Bayer Rd, Mattituck 11952 | (631) 298-3213 |
| Wolbert Plumbing & Heating Inc 1590 W Mill Rd, Mattituck 11952 | (631) 298-5220 |