Home › Top 5 Insurance Company in Holtsville, New York Find best Insurance Company in Holtsville, New York, with all necessary contact information, including addresses, phone numbers, working hours, map locations, and website links. Scott Savoia: Allstate Insurance US, Holtsville, NY 11742755 Waverly Ave Ste 301 Capell & Associates US, Holtsville, NY 117421150 Portion Rd #14 MBW Insurance US, Holtsville, NY 1174272 Blueberry Ridge Dr Agent Resources Inc. US, Holtsville, NY 117421150 Portion Rd #8 Peak Advisors, Inc US, Holtsville, NY 11742162 Long Island Ave #2