In 1926 Buescher Band Instrument Company was joined with the Elkhart Band Instrument Company (some claim that Buescher was bought by Elkhart Band Instrument), a company founded two years previously by Beardsley with Conn's Carl Greenleaf as secretary-treasurer. Buescher was vice-president and general manager of the company until 21 January 1929 when he resigned these positions, remaining on staff as a consultant engineer. Buescher remained president until 1919 when Beardsley assumed that title. In 1916 Buescher sold a major share of his company to six businessmen including Andrew Hubble Beardsley. In 1904 the business was reorganized and renamed the Buescher Band Instrument Company, reflecting its sole focus on producing band instruments. In 1903 there was a disastrous fire at Buescher's factory. True Tone became the trademark name for band instruments made by the Buescher Manufacturing Company. In March 1901 he patented a cornet unusual in that the valves were of unequal lengths. In 1894 his company began production of saxophones, becoming Conn's main competitor over the following two decades.

Collins, a clothing merchant, and Harry L. Main Street, which made band instruments and other metal products, in partnership with John L. In the fall of 1893 he opened the Buescher Manufacturing Company at 1119 N. In 1890, while still employed with Conn, he began producing band emblems at home and was setting up his own shop. Lefebre in 1888 he produced Conn's first saxophone prototype. After being shown an Adolph Sax model saxophone in possession of E.A. Conn's fledgling band instrument factory. He accompanied his family to Goshen, Indiana and then to Elkhart in 1875. The company was founded by Ferdinand August 'Gus' Buescher (born Elk Township, Noble County, Ohio 26 April 1861 died Elkhart, Indiana 29 November 1937). Selmer retired the Buescher brand in 1983. The company was acquired by the H&A Selmer Company in 1963. The Buescher Band Instrument Company was a manufacturer of musical instruments in Elkhart, Indiana, from 1894 to 1963.

Beuscher tenor saxophone