Keuffel and Esser -  The Keuffel and Esser Co. also known as K & E was a drafting instrument and supplies company founded in 1867 by German immigrants William J. D. Keuffel and Herman Esser. It was the first American company to specialize in these products. 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