Given the 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. Aircraft Sales and Services Limited -  Aircraft Sales & Services Limited is a passenger and cargo air charter company based at Jinnah International Airport Karachi Pakistan. The company started its operations in 1975 and continues to expand its network.
The answer is:
Company