Please answer the following question: 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. OLT Express Germany - OLT Express Germany (formerly OLT Ostfriesische Lufttransport GmbH or OLT) was an airline based in Bremen in Germany. The company moved to Bremen from Emden in February 2012. It operated regional scheduled and charter flights linking northern Germany to other parts of the country and Bremen to other European destinations. Its main base was Bremen Airport.
Answer:
Company