Estey Organ Company was an organ manufacturer based in Brattleboro, Vermont. The company was founded in 1852 by , who bought out another Brattleboro manufacturing business. At its peak, the company was one of the world's largest organ manufacturers, employed about 700 people, and sold its high-quality items as far away as Africa, Great Britain, Australia, and New Zealand. Estey built around 500,000 to 520,000 pump organs between 1846 and 1955. Estey also produced pianos, made at the in New York City.