A List of baritone horn, euphonium, tenor horn, tenor tuba and marching baritone horn manufacturers past and present. Most of these companies produce or produced tenor brass as part of an overall band instrument catalogue.
Active manufacturers
Adams Musical Instruments, a Dutch manufacturer of percussion instruments that recently started making brass instruments Alexander Musical Instruments, a 7th generation family owned manufacturer of traditional European baritones and Tubas as well as other brass (est. 1782). AMATI Kraslice, Czech wind instrument company Besson, a subsidiary of Buffet, manufactures tenor brass in Germany, France and India Červený, Czech brass instrument company; subsidiary of Geneva Instruments Conn-Selmer manufactures tenor brass under the historic C.G. Conn and King Musical Instruments names at multiple facilities in the United States E.K. Blessing, a subsidiary of Powell flutes, manufactures marching baritones in the United States Eastman Music Company, Makes String, Brass, Woodwind and a variety of other instruments F.E. Olds, manufactures tenor brass under the names of the previously defunct American companies F.E. Olds and Reynolds Hirsbrunner, manufactures tenor brass in Switzerland Jupiter Band Instruments, is the US subsidiary of KHS Musical Instruments Co., Ltd, which manufactures tenor brass in Asia. Meinl-Weston, a family and employee owned Low Brass manufacturer has produced tenor brass since 1810 in Bohemia and Germany. Miraphone, a German manufacturer of tenor and low brass instruments. Sterling Instruments, a British manufacturer of tenor brass. Taishan, a Chinese manufacturer of brass instruments (Shan Dong Taishan). Weril Instrumentos Musicais, one of the most traditional brass manufacturers in the world, an Austrian family stablished in Brazil in 1909. Willson Instruments, a manufacturer of Brass Band instruments, particularly Tuba and Euphonium (no baritones) Yamaha Musical Instruments, a division of Yamaha corporation, manufactures tenor brass in Japan and markets/supports through subsidiaries in other nations including the United States