| Business | Phone |
| Master Cooling & Heating 10 Old East Neck Rd, Melville 11747 | (631) 271-4263 |
| D & D Heating & Cooling Inc 95 Broadhollow Rd, Melville 11747 | (631) 367-4328 |
| Primo Services 535 Broadhollow Rd, Melville 11747 | (631) 465-9556 |
| K & M Heating & Cooling Inc 3 Porterfield Ct, Melville 11747 | (631) 421-4634 |