John Patrick Cheffins

Rolls-Royce Group Ltd. provides integrated power systems for motor vehicles. The company was founded by Henry Royce and is headquartered in London, the United Kingdom.

Industría de Turbo Propulsores SA engages in the provision of products and services for the aeronautical and industrial engine markets. The firm specializes in the design, research, development, manufacture, casting, assembly, and testing of aeronautical engines and gas turbines. It offers maintenance services for engine manufacturers. The company was founded in 1989 and is headquartered in Zamudio, Spain.