Rolls-Royce
Rolls-royce plc corporate website global leaders engineering for the aero space, defence and marine industries.
http://www.rolls-royce.com/
Pratt & Whitney
Pratt & Whitney
http://www.pratt-whitney.com/
General Electric
General Electric
http://www.geae.com/
CFM
CFM
http://www.cfm56.com/
Rotax
Rotax
http://www.rotax-aircraft-engines.com/
SMA
SMA
http://www.smaengines.com/
Thielert
Thielert
http://www.thielert.com/
Textron Lycoming
Textron Lycoming
http://www.lycoming.textron.com/
Teledyne Continental
Teledyne Continental
http://www.tcmlink.com/
Williams International
Williams international is the world leader in the development and manufacture of small gas turbine engine technology.
http://www.williams-int.com/