Complex sentence: S-TEC Corporation is a United States corporation originally founded in 1978 and headquartered in Mineral Wells, Texas manufacturing flight control systems for the General Aviation aftermarket as well as a number of original equipment manufacturers.
Split into simpler sentences: S-TEC Corporation is a United States corporation originally founded in 1978 and headquartered in Mineral Wells, Texas. They manufacture flight control systems for the General Aviation aftermarket as well as a number of original equipment manufacturers.