Rochester, NY. Made pianos, established circa 1894. George C. Foster and W.B. Armstrong incorporated the American Piano Co. in 1908.

Disc music boxes made by J.H. Zimmerman, Leipzig, Germany. Name used interchangeably with Adler.

New York City. Made high quality pianos, established in 1845. Acquired by the American Piano Co. in 1920. A popular Ampico reproducing piano brand.

See Claus & Co.

St. Johnsville, NY. See Peerless Piano Player Co.