Air Methods, founded in 1980, is one of the largest providers of air medical emergency transport services and systems in the United States. The company offers transportation services for more than 97,500 patients annually. It provides services for hospitals, trauma and care centers. Air Methods operates a fleet of over 320 helicopters and fixed-wing aircraft in Colorado. The company maintains several divisions, such as Community-Based Model (CBM) and the Hospital-Based Model (HBM). It is also one of the largest air ambulance operators in the world. Air Methods products division deals in the design and manufacture of aeromedical and aerospace technologies. In addition, it operates an One Call Transfer Center.