Progress Machining Co, 25 Dust House Rd, Ste 2, Enfield, CT 06082, US

Sterling Machine is a manufacturer of precision metallic parts for the aerospace industry. It produces steel, aluminum, magnesium and titanium parts from bar stocks, forgings and castings by using advanced production and process control systems. The company is a maker of transmission and rotor-head helicopter components for military platforms. Sterling Machine also offers overhaul and repair services for flight critical parts and assemblies, including tail rotor, transmission and gearbox components. It is an ISO9001:2000 and AS9100B certified company. The company is a part of Senior, which is an international manufacturing group with operations in more than 11 countries. Senior designs, manufactures and markets components and systems for the principal original equipment manufacturers. Sterling Machine is located in Enfield, Conn.