Please answer the following question: China Natural Gas Inc. is a Chinese energy company that through its subsidiaries is engaged in the distribution and sale of natural gas and gasoline to commercial residential and industrial customers in the Xi'an area and the Shaanxi province of the People's Republic of China.The company also engages in the construction of pipeline networks. Given a list of categories: company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, what category does the paragraph belong to?
A:
Company