M&M Valve
M&M International
M&M Control
M&I Materials
M&H Valve
M&G（Mansfield & Green）
M&C
M&A Technology
M PUMPS
3M
Mikropul
Marine Autopilot CM950
METAL DEPLOYE
Nass Magnet
MAGNET-SCHULTZ
Magtrol
Magnetostrictive Sensing
MarelliMotori
MUNK
MURR
