Home › Top 5 Insurance Company in Mt Sinai, New York Find best Insurance Company in Mt Sinai, New York, with all necessary contact information, including addresses, phone numbers, working hours, map locations, and website links. Express Line Insurance Agency - Home, Auto, Boat, Business... US, Mt Sinai, NY 11766621 NY-25A MetLife - Mt Sinai (NY 11766) US, Mt Sinai, NY 11766331 NY-25A Gallagher Bassett Services US, Mt Sinai, NY 1176614 Barnsley Crescent KABS Agency US, Mt Sinai, NY 1176677 Grassland Cir DeVito Insurance US, Mt Sinai, NY 11766449 NY-25A