KABUSHIKI KAISHA TOSHIBA
KÄNG-KONG PRODUCTIONS
KALIX LIMITED
KAM
KAMAN CORPORATION
KANDLER & GREIL GMBH (MUSIC SHOP MÜNCHEN)
KAPOK
KAWAI MUSICAL INSTRUMENTS MANUFACTURING COMPANY LIMITED
KEIO ELECTRONIC LABORATORIES CORPORATION
KEIO GIJUTSU KENKYUJO (KORG)
KENTON
KERNEL
K. E. S.
KETOFF
KETRON LAB
KEYBOARD PARTNER
KEYBOARDS
KEYFAX
KEYNOTE MUSICAL INSTRUMENTS LIMITED
KEY SOFT SERVICE
KEYTEK
KINETIC SOUND CORPORATION (KSC) [KINETIC SYSTEM]
KINETIC SYSTEM (KINETIC SOUND CORPORATION)
KINGSTON TECHNOLOGY CORPORATION (KTC)
KIRKWALL TECHNOLOGIES
KIWI
KLANGWERK FISCHER + SEIBEL
KLINGENTHALER HARMONIKAWERKE
KLINGENTHALER MUSIK ELEKTRONIK (KME)
KLONE
KME (KLINGENTHALTER MUSIK ELEKTRONIK)
KOCHER & RECHENMACHER
KÖNIG & CO. KG (SK-ELEKTRONIK)
KORG INCORPORATED LIMITED
KRENNRICH
KRONAUER MUSIC IN DIGITAL
KRÜGER
KSC (KINETIC SOUND CORPORATION)
K. S. R. E. MUSIC HANDELSGESELLSCHAFT MBH
KTC (KINGSTON TECHNOLOGY CORPORATION)
KTL
KUDELSKI NAGRA GMBH
KUHLMANN
KURENNIEMI
KURZWEIL MUSIC SYSTEMS INCORPORATED (YOUNG CHANG AKKI)
KYE SYSTEMS CORPORATION