U.S. Music Corp is based in Buffalo Grove, a suburb of Chicago IL., and manufactures two of the oldest guitar brands in the U ... nited States- Washburn Guitars and Oscar Schmidt Musical Instruments, in addition to other well known brands like: Parker Guitars, Randall Amplifiers, and Jay Turser Guitars. USM also distributes marquis brands: Marshall Amplification, Eden Bass Amps, Natal Drums, Hagstrom Guitars, Warwick Basses, Quik Lok Stands, and Profile Accessories. US Music is a subsidiary of Jam Industries, Ltd. For more information on Jam Industries, Ltd., visit www.jamindustries.com www.washburn.com www.randallamplifiers.com www.parkerguitars.com www.oscarschmidt.com www.jayturser.com read more