The F. A. Whitney Carriage Company Complex Historic District is a historic district off 124 Water Street in Leominster Massachusetts. The complex is one of the best-preserved in the city and originally belonged to one of its most successful businesses of the late 19th and early 20th centuries. The F. A. Whitney Company manufactured baby carriages and related products and was founded in 1858. 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?
The answer to this question is:
Building