- AGC Realty
- Bob Johnson Realty
- Canoe Place Assoc
- Century 21 Agawam Albertson
- Century 21 Agawan Albertson
- Coldwell Banker
- Compass East Realty
- Flocee Estates Of Hampton Bays
- George Moore
- Hampton Lifestyle Realty
- Hampton Realty Group
- Hampton Sales & Rental
- Hastings Real Estate
- LPD Realty
- Meadow Lane Realty
- Moore Realty
- Prudential Douglas Elliman
- RCF Realty Corp
- Re/Max Coast Country
- Real Estate Store Inc
- Rimland Allen Siegmond Rl Est
- Sandy A Property Manager LLC
- Siegmund Real Estate
- South Fork Realty
- Studio Court Realty
- Village Real Estate
