Leitenberger
Leoni
LESSMULLER
Leuze
Leviton
Leybold
Liebert Hiross
Lowara
Luetze
Lumberg (Belden)
Maedler
Magnehelic
MAHLE
Mann Filter (Mann-Hummel)
Manutan SA
Masterflex
Maximator
MAYTEC
Mecon
Megadyne
Meister
Merlett
Merten (Schneider Electric)
Miller Stephenson
Merck
Minitec
Misumi
Miunske
Müller
Moeller (Eaton)