Olejniczak Brian L.
Olsen Phillip M.
Omega Universal Holdings Limited
One LLP
Ooyagi Wataru
Ophthalmocare, Inc.
OptoMed Optomedical Systems
Optomedic Medical Technologies, Ltd.
Optotech Ltd.
Orkiszewski Jerzy
Osada Research Institute, Ltd.
Oseroff Allan
Ott Beat
Ottrup Theo
Overaker Ron
Ozaki Kenya