DHL is an American founded, German logistics company providing courier, package delivery and express mail service, which is a division of the German logistics firm Deutsche Post. The company group delivers over 1.8 billion parcels per year. DHL Express is market leader for parcel services in Europe and Germany's main Courier and Parcel Service. The company DHL itself was founded in San Francisco, United States, in 1969 and expanded its service throughout the world by the late 1970s. In 1979, under the name of DHL Air Cargo, the company entered the Hawaiian islands with an inter-island cargo service using two DC-3 and four DC-6 aircraft. Adrian Dalsey and Larry Hillblom personally oversaw the daily operations until its eventual bankruptcy closed the doors in 1983. At its peak, DHL Air Cargo employed just over 100 workers, management and pilots.