| Suffolk County | Nassau County | The Hamptons | 
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| James Phillips Real Estate 30 Jobs Ln Southampton NY, 11968 (631) 403-4007 | Jandell Realty 40 Underhill Blvd Syosset NY, 11791 (516) 921-1219 | ||
| Jaquar Funding LLC 1 Old Country Rd Carle Place NY, 11514 (516) 741-3018 | Jaral Properties INC 585 Garden City NY, 11530 (516) 542-0600 | ||
| Jarworks Holdings LLC 70 Manchester Rd Huntington NY, 11743 (631) 470-5629 | Jawdat Comml Realty 738 Smithtown Byp Smithtown NY, 11787 (631) 656-0357 | ||
| Jay Nociforo 4900 Merrick Rd Massapequa Park NY, 11762 (516) 799-5074 | JB & Associates Real Estates INC 75 W Sunrise Hwy Freeport NY, 11520 (516) 378-5800 | ||
| JC O'Neill Real Estate Services 271 Jericho Tpke Floral Park NY, 11001 (516) 437-7500 | JCH Realty 2070 Deer Park Ave Deer Park NY, 11729 (631) 392-0955 | ||
| JCH Realty Corporation 611 Newbridge Rd East Meadow NY, 11554 (516) 221-0100 | Jedl Management Corporation 55 Willis Ave Mineola NY, 11501 (516) 873-5386 | ||
| Jefferso Wood Estate 2 Garden Gate Huntington Station NY, 11746 (631) 686-5093 | Jeffrey Management Corporation 3601 Hempstead Tpke Levittown NY, 11756 (516) 735-4800 | ||
| JEMM LLC RL Estate & Insurance 142 Mineola Ave Roslyn Heights NY, 11577 (516) 621-3350 | Jenaper Associates INC 3872 Sunrise Hwy Seaford NY, 11783 (516) 783-8600 | ||
| Jenefer Joseph & Associates 181 S Franklin Ave Valley Stream NY, 11581 (516) 341-0085 | Jessco Realty Corporation 1040 Hempstead Tpke Franklin Square NY, 11010 (516) 354-2900 | ||
| JHP Realty 141 Central Ave Farmingdale NY, 11735 (631) 847-7969 | Jillian Jaymes Realty 12 Bay Path Ct Huntington NY, 11743 (631) 425-0774 | ||