O
O.ERRE / OERRE
Octagon Systems
OEG Brakes / Officina Elettromeccanica Gottifredi
OEMER
Ogura Clutch
Oiltech
OJOP
Olaer (brand of Parker)
Oleodinamica Marchesini
OLI
Omal Automation
ON Semiconductor
optris
orange research
Orbinox
ORIENTAL MOTOR
Osborn / Osborn International
OSIP Pump
OSLV
Ott Antriebe
OXFORD INSTRUMENT
