ABOUT US Companies We Represent Below are the companies that we currently represent and feel that they provide superior products and services for our clients with integrity. Billing Phone Number – 1-800-364-3400Billing Address – P.O. Box 145496 Cincinnati, OH 45250-5496General Website – https://www.cinfin.com/ Online Billing – https://onlineservice.cinfin.com/b2c/Account_Self_Service/QuickPayment.aspx Online Payment Support – 1-888-242-0888