Carriers Erie Insurance Billing: 800-458-0811 Claims: 800-458-0811 Billing Website Claims Website Client Portal Website Main Street Insurance Billing: 800-258-5310 Claims: 877-425-2467 Billing Website Claims Website Client Portal Website Hanover Insurance Billing: 800-922-8427 Claims: 800-628-0250 Billing Website Claims Website Client Portal Website Preferred Mutal Billing: 800-333-7642 Claims: 800-333-7642 Billing Website Claims Website Client Portal Website NYCM Insurance Billing: 800-234-6926 Claims: 800-234-6926 Billing Website Claims Website Client Portal Website Sterling Insurance Billing: 518-234-2521 Claims: 518-234-2521 Billing Website Claims Website Client Portal Website Progressive Insurance Billing: 866-407-4844 Claims: 866-407-4844 Billing Website Claims Website Client Portal Website Utica National Claims / Billing: 800-598-8422Billing WebsiteClaims WebsiteClient Portal Website Merchants Group Customer Service: 1-800-462-1077Billing WebsiteClaims WebsiteClient Portal Website