Holton (Leblanc)
Holton is a musical instrument manufacturer owned by Leblanc, a subsidiary of Steinway Musical Instruments' Conn-Selmer division. Founded by trombone player Frank Holton in 1898 in Chicago, the firm built wind instruments in Elkhorn, Wisconsin from 1918 until 2011.
Read more about Holton (Leblanc): Frank Holton, Holton Artists