Midstate Airlines
 Midstate Airlines (a.k.a. Mid-State Airlines a.k.a. Midstate Air Commuter (MAC)) was an airline with its headquarters in Stevens Point Wisconsin.It was founded by Roy P. Shwery in 1964 and provided air service out of Marshfield Wisconsin (home to Marshfield Clinic) and Central Wisconsin Airport (CWA). The airline originally operated a fleet of Beechcraft Model 18 aircraft and later four Beech 99's.