Bayern-Chemie GmbH and Protac S.A. - 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.
Compact Radial Engines - Manufactures and distributes radial, boxer and inline aircraft engines for experimental, PPG and ultralight aircraft.
Kreisler Manufacturing Corporation - Manufactures precision metal components and assemblies for use in military and commercial aircraft engines. (Nasdaq: KRSL).
Limbach Flugmotoren - German manufacturer of the Limbach aircraft engine. [Flash required]
Mallen Research Corporation - ultra-efficient aeroengines for unmanned aerial vehicles and other performance-critical sectors.
MTU Aero Engines - Manufacturer providing development, production and maintenance services for civil and military aero engines and industrial gas turbines.
Pratt and Whitney - Leader in the design, manufacture, and support of turbine engines.
Textron Lycoming - Major manufacturer of general aviation piston engines.
Two Stroke International - Manufacturer of a line of lightweight engines for ultralight aircraft.
Universal Turbine Parts - Pratt and Whitney Canada approved supplier of PT6, JT15D, and PW100 engines and components.
Vertical Technologies - Manufacturer of turbine engines for aeronautical use. From Italy.
VW Engines - Producing the RG2000 aircraft engine along with associated accessories.
Willis Lease Finance Corporation - Acquires and provides commercial aircraft spare engines in the aftermarket and purchases and resells used and refurbished commercial aircraft engines and airframe and engine components. (Nasdaq: WLFC).
Zanzottera Engines - Manufacturer of engines designed for ultralight and unmanned aircraft.
Zoche Aero-Diesels - Developing type certificated, direct drive, air cooled, radial, two-stroke Diesel engine.