- Allan M Schneider & Assoc Inc
- Brown Harris Stevens-Hamptons
- Century 21 Agawam Albertson
- Cook Pony Farm Real Estate Inc
- Hampton Estates
- Hamptons Realty Group
- Heine Realty
- Heine Realty
- ICA Realty Corp
- Meridian Group
- Overseas Connection
- Prudential Douglas Elliman
- Real Estate Strategies
- Stephen H Schuster
