Posted in Diamond Rubber Co., Factories, Goodrich, Rubber Co. Diamond Rubber Company – Aerial View by tconte on February 29, 2016 In 1912, after several years of success, the Diamond Rubber Company was merged into competitor B. F. Goodrich. Related Postcards:Goodyear Zeppelin ...Goodyear Tire and ...Firestone Rubber -...B. F. Goodrich Com...Miller Rubber Co.