Please answer the following question: Golden West Books - Golden West Books is a privately owned American publishing company specializing in American Railroads. Donald Duke founded the company in 1960 and wrote some of its titles. Its headquarters are in San Marino California. The company's titles cover steam locomotives diesel locomotives logging railroads mining railways funiculars the caboose electric interurbans Inter-city rail and histories of the Santa Fe Railroad. 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?
A:
Company