In 1985 , Keysor - Century claimed to be the largest U.S. producer of record compound .
Keysor - Century 's customers included Warner , RCA , Capitol , Motown , CBS , Musical Heritage Society , Nonesuch , Deutsche Grammophon , and A&M .
In 1985 , Keysor - Century claimed to be the largest U.S. producer of record compound and its customers included Warner , RCA , Capitol , Motown , CBS , Musical Heritage Society , Nonesuch , Deutsche Grammophon , and A&M .