2si		Hirth		Rotec
Able		Honeywell		Rotax
Aero Adventure		International Aero Engines		Shadetree Aviation
Agilis Group		JetExec Helicopter Conversion Kit		Simonini
Atkins Rotary		JPX		SMA Engines
Briggs & Stratton		Jabiru		SNECMA
Centurion Engines - Thielert		Ken Brock		Stratus
CFM		Klaymor		Superior Air Parts
Compact Radial Engines		LHTEC		Team-38
DeltaHawk		Limbach		Teledyne Continental Motors
Diesel Air		Lom Aircraft Engines		Teledyne Mattituck
DynaCam		Lycoming		Turbine Design
Eggenfellner Subaru		Magellan Aerospace (Orenda)		Turbomeca
Falconer		MecanAir		Verner Motor
Franklin Aircraft Engines		Mid-West Engines		Wankel
Fresh Breeze		Pratt & Whitney		Williams International
Firewall Forward Aero Engines		Pratt & Whitney Canada		Wilksch Airmotive
GE Aircraft Engines		Radne Motor AB		XCOR Aerospace
HKS HPower		RAM Performance		Zanzotter
Goodrich Super 27		Rolls - Royce		Zenoah