Kieselmann
KNF
Koganei
Kwd Kupplungswerk
Lammers
Lapp Kabel
Lechler
Lemo
Leoni
Lika
Lorenz
Lowara
Lubbering
Maedler
Magnaloy
MAHLE
Maier
Manitowoc
Mann Filter (Mann-Hummel)
Mastercool Inc
Masterflex
Maximator
Megadyne
Messer
Metrix
Meyle
Merck
Mindman
Misumi
Miunske