  |
Pratt and Whitney - http://www.pratt-whitney.com/
Leader in the design, manufacture, and support of turbine engines. |
  |
MTU Aero Engines - http://www.mtu.de/
Manufacturer providing development, production and maintenance services for civil and military aero engines and industrial gas turbines. |
  |
Bayern-Chemie GmbH and Protac S.A. - http://www.bayernchemie-protac.com/
Developer and manufacturer of rocket and airbreathing propulsion systems, including hypervelocity and special use engines. Site also provides company history and profile, news, review of technologies, and related links. |
  |
Textron Lycoming - http://www.lycoming.textron.com/
Major manufacturer of general aviation piston engines. |
  |
Zoche Aero-Diesels - http://www.zoche.de/
Developing type certificated, direct drive, air cooled, radial, two-stroke Diesel engine. |