| Business | Phone |
| Alpha Global Advisors 15 Railroad Ave # 1, East Hampton 11937 | (631) 324-4999 |
| Bougros 459 Pantigo Rd, East Hampton 11937 | (631) 324-1305 |
| Maidstone Assoc Ltd 47 Ocean Blvd, East Hampton 11937 | (631) 324-3645 |
| Colonial Capital Advisors 66 Newtown Ln, East Hampton 11937 | (631) 907-1400 |