Hardanger Sunnhordlandske Dampskipsselskap (HSD), founded in 1880, was one of Norway's largest privately held public transportation providers. Its bus operation HSD Buss AS was founded in 1999, and serviced 15 million passengers annually in large parts of western Norway, predominantly in Vestland. It also had a ferry service, HSD Sjø AS, transporting passengers along the west coast of Norway. The fleet consisted of 31 ferries and 10 catamarans as of 2006. In 2006 the company merged with Gaia Trafikk forming the new company Tide. Vessels Some of the vessels owned and operated by HSD. (1913) (1931) MS Sunnhordland (1947) MS Stord (1970) MS Tysnes (1970) (1999) References Defunct bus companies of Norway Companies formerly listed on the Oslo Stock Exchange Bus companies of Vestland Ferry companies of Vestland Companies established in 1880 Companies disestablished in 2006 1880 establishments in Norway 2006 disestablishments in Norway Logistics companies of Norway