Aero Propulsion Support, founded in 1992, repairs and overhauls small gas turbine components for auxiliary power units and small propulsion engines. Its capabilities include overhauling of sheet metal compressor diffusers, compressor and turbine components, vacuum brazing, liquid penetrant inspection and heat treating. It also provides electron beam and dabber welding, percussion-stud welding and thermal spraying and machining. Aero is an authorized Rolls-Royce repair facility and offers manufacturer-recommended parts. It has AS:9000 and ISO:9002 certification and is fully approved by the Joint Aviation Authorities and Federal Aviation Administration. Aero Propulsion Support has a 25,000-square-foot facility and is located in Harrison, Ohio.