Parker-Hannifin is a publicly-traded manufacturing company which specializes in motion and control technologies and systems. This includes accumulators, fittings, packings, flanges, flow controllers, adhesives, fuel and air separators, power units, gear motors, couplings, sensors, strainers, manifolds, tools, filters, tubing, motor valves and other products. It serves clients in the commercial, mobile, industrial and aerospace fields.