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. CitiApartments - CitiApartments is one of the largest real estate companies in San Francisco California which at its peak owned and managed more than 300 buildings directly and through a number of affiliates. In recent years the companies suffered a financial downturn and have been the subject of intense criticism and litigation for allegedly illegal business practices as a residential landlord.
A:
Company