Northstar Aerospace, Inc. manufactures flight-critical parts for military and commercial aircraft applications, and non flight-critical parts for commercial aircraft. The company offers gears, shafts, gearboxes, and other related components for helicopter transmissions; helicopter rotor heads; accessory gearboxes for aircraft engines; and components for auxiliary power units. It also provides machining and fabrication services for various aerospace applications, as well as offers maintenance, repair, and overhaul (MRO) services. The MRO operations service military helicopter transmissions; and Pratt and Whitney PT6T, and PT6A engines used for helicopters and small turboprop aircraft. Northstar Aerospace serves defense and commercial aerospace markets in the United States, Canada, and Europe. The company markets its products through direct sales force personnel and agents. Northstar Aerospace was founded in 1984. It was formerly known as Delran Industries, Ltd. and changed its name to Northstar Aerospace, Inc. in 2002.