| Business | Phone |
| American Way Real Estate 709 Main St, Port Jefferson 11777 | (631) 331-3100 |
| Loretta Besser Real Estate 125 W Broadway, Port Jefferson 11777 | (631) 331-2568 |
| Loretta T Bove Real Estate 417 E Main St, Port Jefferson 11777 | (631) 331-2000 |
| Coach Realtors 417 E Main St, Port Jefferson 11777 | (631) 642-9000 |
| Cornell Petsco Real Estate 140 E Main St, Port Jefferson 11777 | (631) 928-5484 |
| Drowned Meadow Agency Inc 1031 Main St, Port Jefferson 11777 | (631) 473-7646 |
| Network Properties 224 E Main St, Port Jefferson 11777 | (631) 476-0600 |
| Prospect Hill Realty Inc 2 N Country Rd, Port Jefferson 11777 | (631) 473-5255 |
| Qhp Financial Group 620 Belle Terre Rd, Port Jefferson 11777 | (631) 476-1366 |
| Race Rock Realty 318 Wynn Ln, Port Jefferson 11777 | (631) 331-3143 |
| Rankin Realty Co 701 Main St, Port Jefferson 11777 | (631) 473-4666 |
| Jolie Powell Realty Inc 406 Main St, Port Jefferson 11777 | (631) 473-0420 |
| J Jones 95 Cliff Rd, Port Jefferson 11777 | (631) 473-6666 |
| Lehtonen Costello Real Estate 126 E Main St, Port Jefferson 11777 | (631) 473-0085 |
| Tesoriero Realty Investments 318 Wynn Ln, Port Jefferson 11777 | (631) 331-2800 |