| Business | Phone |
| Neil J Abelson 903 Main St, Port Jefferson 11777 | (631) 928-6600 |
| John J Andrews 503 Main St, Port Jefferson 11777 | (631) 473-5550 |
| Todd Lewis 740 Pine Tree Ct, Port Jefferson 11777 | (631) 476-8969 |
| William H Baron 15 N Columbia St, Port Jefferson 11777 | (631) 331-8333 |
| Medistaf Health & Research 646 Main St # 14, Port Jefferson 11777 | (631) 473-1213 |
| Michael E Walter Esquire 407 E Main St # 1, Port Jefferson 11777 | (631) 928-1110 |
| Dennis Collins 407 E Main St, Port Jefferson 11777 | (631) 331-0642 |
| Michael Croston 414 Main St, Port Jefferson 11777 | (631) 474-0900 |
| Michael V Devine 31 Jefferson Landing Cir, Port Jefferson 11777 | (631) 474-5400 |
| Edward J Dinunzio 1031 Main St, Port Jefferson 11777 | (631) 331-1900 |
| William L Netusil 1227 Main St # 203, Port Jefferson 11777 | (631) 476-1802 |
| Richard T Nolan 101 Rustic Rd, Port Jefferson 11777 | (631) 928-6500 |
| John P Oliver 414 Main St # 201, Port Jefferson 11777 | (631) 928-8600 |
| Margot J Garant 220 E Main St, Port Jefferson 11777 | (631) 928-5500 |
| William F Glass 611 High St, Port Jefferson 11777 | (631) 476-6147 |
| Matthew A Glassman 1227 Main St # 3, Port Jefferson 11777 | (631) 331-8071 |
| Peter J Graham 1523 Main St, Port Jefferson 11777 | (631) 473-4900 |
| Peter C Walsh Attorney 407 E Main St, Port Jefferson 11777 | (631) 331-2399 |
| Patricia Issberner 503 Main St, Port Jefferson 11777 | (631) 473-3800 |
| Kevin Reilly 1227 Main St # 202, Port Jefferson 11777 | (631) 331-0900 |
| Kaufman & O'Rourke 646 Main St, Port Jefferson 11777 | (631) 331-0950 |
| Robert S Blume Law Offices 403 E Main St, Port Jefferson 11777 | (631) 474-5900 |
| Shirley S Schievella 118 Willis Ave, Port Jefferson 11777 | (631) 928-2055 |
| Kenneth A Slott 646 Main St, Port Jefferson 11777 | (631) 331-4300 |
| Michael R Strauss 1303 Main St # 4, Port Jefferson 11777 | (631) 331-5300 |
| James J Von Oiste 505 Main St, Port Jefferson 11777 | (631) 473-7676 |