Home › Top 6 Insurance Company in Stony Brook, New York Find best Insurance Company in Stony Brook, New York, with all necessary contact information, including addresses, phone numbers, working hours, map locations, and website links. DESOUZA-AHERN AGENCY, INC US, Stony Brook, NY 117901212 N Country Rd Glennon Insurance US, Stony Brook, NY 117901212 NY-25A #3c Mill Creek Agency Inc US, Stony Brook, NY 11790129a Main St Nationwide Insurance: Barson Associates Inc. US, Stony Brook, NY 11790207 Hallock Rd Ste 1 Randy Pelosi - State Farm Insurance Agent US, Stony Brook, NY 117901239 N Country Rd Ste 1A Brian Ahern: Allstate Insurance US, Stony Brook, NY 117901212 N Country Rd Ste 2d