Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. Nord-Ostsee-Bahn - Nord-Ostsee-Bahn or NOB is a railway company which operates in Schleswig-Holstein Germany. Based in Kiel the company was established in 2000 and is owned by Veolia Verkehr. The company's main route is between Hamburg and Sylt.
Company