In 1903 the chemical and dyestuff department was split off from the company and incorporated as H. A. Metz & Co., and the manufacture of color and chemicals as Consolidated Color and Chemical Co., with Metz as president. He also became president of H. A. Metz Laboratories, Inc., Ettrick Mills, Textileather Company, and New York and Hanseatic Corporation, a member of numerous chemical and industrial societies, and a director with a number of banks. In July 1926 his dyestuff interests were consolidated into the General Dyestuff Corporation, of which he became president.
Metz's chemical department was split off in 1903, forming H. A. Metz & Co., while the color and chemicals division became Consolidated Color and Chemical Co., with Metz as president. He also held leadership positions at other companies.