Company: Hart Advertising, Inc. Headquarters: 480 Crossings Rd., Sandusky, OH 44870 Market: North Central Ohio Phone: (419) 668-1194 Email: cindy@hartbillboards.com Hart Advertising operates a billboard plant with over 1,000 faces in northern Ohio. The company was started by William T Hart in 1943. Hart’s children – Gay Sanders and W Taylor Hart – […]
