Boss Boss Corporation is a musical instruments company started by Tom Beckman in 1973. Originally called Beckman Musical Instruments, Boss was bought by Roland in 1978. Boss is best known for their guitar effects pedals. Founded:1973Founder(s):Tom Beckman Average User Rating 0 0 votes Please sign in to rate. Your Rating 0 Contact Phone Number: +1 (323) 890-3700 Address: Roland Corporation U.S. 5100 S. Eastern Ave. Los Angeles, CA 90040-2938 U.S.A. Contact Form: http://www.bossus.com/backstage/login.php Online: History History coming soon!