| Business | Phone |
| Met Life 331 Route 25a, Mt Sinai 11766 | (631) 331-6599 |
| Nationwide Insurance 655 Route 25a, Mt Sinai 11766 | (631) 473-3230 |
| Express Line Brokerage 621 Route 25a, Mt Sinai 11766 | (631) 474-3030 |
| Gds Appraisers 39 Westcliff Dr, Mt Sinai 11766 | (631) 821-3636 |