These companies manufacture fuel management systems for commercial airplanes, and sell directly to original equipment manufacturers. Used for fuel handling, fuel injection, combustion, electronic controls, etc.

These companies manufacture fuel management systems for commercial airplanes, such as for fuel handling, fuel injection, combustion, and electronic controls, and sold to the aftermarket and sell directly to commercial airlines.

These companies manufacture gasoline and diesel engine management systems (including systems for fuel handling, fuel injection, and combustion) and sell directly to original equipment manufacturers.

These companies manufacture fuel management systems for military aircraft, such as for fuel handling, fuel injection, combustion, and electronic controls, and sell directly to their military customers.

These companies manufacture gasoline and diesel engine management systems for diversified vehicles, such as systems for fuel handling, fuel injection, and combustion, and sell directly to original equipment manufacturers. Diversified vehicles includes automobiles (consumer passenger cars), commercial vehicles (buses and trucks), ships, and various aircraft.

These companies manufacture turbine fuel management systems, such as fuel handling, fuel injection, combustion, and electronic controls, and sell directly to original equipment manufacturers. These are used to generate electricity.

These companies manufacture gasoline and diesel engine management systems such as fuel handling, fuel injection, combustion, and electronic controls, and sell directly to original equipment manufacturers. These are used in crude oil and natural gas extraction equipment.