Home › Top 5 Insurance Company in Port Jefferson, New York Find best Insurance Company in Port Jefferson, New York, with all necessary contact information, including addresses, phone numbers, working hours, map locations, and website links. Goosehead Insurance - Don Pawluk US, Port Jefferson, NY 117771303 Main St Luss Group US, Port Jefferson, NY 11777102 W Broadway O'Brien Insurance US, Port Jefferson, NY 11777402 Main St Maiella Associates, Inc US, Port Jefferson, NY 11777803 Main St Joseph P O'Neill: Allstate Insurance US, Port Jefferson, NY 1177738 Sheep Pasture Rd