 Later diversification carried the organization into such sectors as paper, steel, glass, electrical equipment, aircraft, oil, and real estate.As Mitsubishi built a broadly based conglomerate, it played a central role in the modernization of Japanese industry.In February 1921, the Mitsubishi Internal Combustion Engine Manufacturing Company in Nagoya invited British Sopwith Camel designer Herbert Smith, along with several other former Sopwith engineers to assist in creating an aircraft manufacturing division.