- A 1A Appraisers Auctioneers
- Allan M Schneider Assocs Inc
- Anderson Real Estate
- Bennett Real Estate
- Blue Bay Realty
- Blue Bay Realty
- Bob Casper
- Brown Harris Stevens
- Brown Harris Stevens-Hamptons
- Condie Lamb Real Estate
- Cook-Pony Farm Real Estate Inc
- Corcoran Group
- Corcoran Group
- Devlin Mc Niff Real Estate
- East Hampton Village Realty
- Georgica Realty Corp
- Gina Beadle Realty Inc
- Hampton Homes
- Harold F Shepherd Real Estate
- Hook Mill Real Estate Inc
- James M Strong
- John G Strong
- Main Street Properties
- Mueller Realty Corp
- Pantigo Realty Inc
- Prestigious Properties
- Promise Land Realty
- Prudential Douglas Elliman
- Rox-Central Realty Corp
- Sothebys International Realty
- Tina S Fredericks Inc
- Wesley D Miller
- Woods Property Inc