Question: Heli Air Services - Heli Air Services is a charter airline based in Sofia Bulgaria. The airline was founded in 1990. The airline mainly transports passengers cargo and mail. In the beginning Heli Air only operated helicopters and subsequently incorporated the Antonov An-12 Antonov An-24 Cessna and Let L-410 into its fleet. Given a choice of categories company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, the text refers to which one?
Answer:
Company