Ohtani Hiroshi
Ohyama Iwane
OK-Vise Ky
OKK Corporation
Oku Toshiaki
OKUMA Corporation
Okuma Mahinery Works Ltd.
Oldham Steven V.
Oles Edward J.
Omat Ltd.
Omiel Jean
Oohara Setsuo
Oosawa Morio
Oosterhof Lukas
Open Mind Software Technologies GmbH
OPS-Ingersoll Funkenerosion GmbH
Opti-Clip International LLC
Optima Industries, Inc.
Orion, S.p.A.
Osburn Alan Edward