Phillips Service Industries Inc. (PSI), a manufacturing and service corporation, has acquired Skytronics Inc., an aircraft component manufacturer and maintenance repair organization located in El Segundo, CA. Skytronics specializes in the manufacturing, repair, overhaul, and sale of aircraft ball screw and actuator assemblies and the transmissions that drive them. Skytronics is an OEM that also holds license parts manufacturing authority on stabilizer ball screws installed on Boeing 727/737/747/757/767 aircraft, as well as a distributor of both new and overhauled aircraft components. The Skytronics acquisition expands PSI's reach into the aerospace market. Other PSI subsidiaries that serve the aerospace industry include Beaver Aerospace & Defense, Sciaky Inc., Mountain Secure Systems, Evana Automation Specialists, and PSI Repair Services.