Sonex, 511 Aviation Rd, Oshkosh, WI 54902, US

Founded in 1958, Gulfstream Aerospace Corporation designs and manufactures a range of jet aircrafts for commercial and industrial clients, as well as the defense sector. It supplies products under various names, such as G150, G200, G350, G450, G500 and G550. The company s aircrafts feature electronic flight instrument, upgraded flight management, and terrain awareness and warning systems. It offers engineering, technical support, airframe maintenance, inspection and modification services. The company additionally provides pre-owned aircrafts. Its inventory of pre-owned aircrafts includes Gulfstream GIV, Gulfstream GIV-SP, G200, G550 and G450. It has a staff of more than 9,000 employees in over seven locations throughout the United States and world. Headquartered in Savannah, Ga., Gulfstream Aerospace Corporation maintains one of its service centers in Appleton, Wis.