Odio Carlos E.
Oeck Robert C.
Ognisty Thomas P.
Ohta Shiro
Ohya Shun-ichi
Oil-Tech, Inc.
Okazima Yoshiaki
Olrik Henrik G.
OO Chemicals, Inc.
Oriental Metal Mfg. Co., Ltd.
Osaka Gas Limited
Oschmann Wolfgang
Otkrytoe aktsionernoe obschestvo “Nauchno-Issledovatelsky I Kons
Otsuka Yoshiyuki
Ottens Pieter
Ovation Products Corporation
Oy Finn-Aqua Ltd.
Oy Santasalo-Sohlberg Oy