O
O.ERRE / OERRE
O.M.B. Vibrator Motors
ODE
OEG Brakes / Officina Elettromeccanica Gottifredi
Oerlikon Leybold
Ogura Clutch
Oiltech
OJOP
Olaer (brand of Parker)
OLI
OMAC
Omal Automation
Omni-ID
Omnitrack
Onka
OPKON Elektronik
optek-Danulat
orange research
Orbinox
ORIENTAL MOTOR
Orobica
Orsta
OSBY PARCA
OSIP Pump
OXFORD INSTRUMENT
