 As of 2009, the CBS operated 105 bases at hospitals, fire stations or airports, operating more than 127 helicopters and fixed-wing aircraft, and Air Methods employees provide medical care to patients en route.As of 2009, the HBS delivery model was serving 80 hospital customers in 33 states and operated a fleet of more than 170 hospital-based aircraft and medical care en route is provided by employees or contractors of customer hospitals.Its corporate headquarters are located in of space in the Denver Technological Center, in Greenwood Village, Colorado, in the Denver metropolitan area.