Oaks William C.
Obata Shizuo
Obata Susumu
Obatake Kohei
Obayashi Tomokazu
Obenland Christine
Oberg Elmer B.
Oborn Robert Edward
Ochi International Co., Ltd.
Ochiai Hiromichi
Ochmann Rainer
Ochsner Roger
Odashima Fumihiko
Odermatt Robert Gerald
Odorico Sergio L.
Oelm{umlaut over (u)}ller Rolf
Oelsner Manfred
Ogam Limited
Ogasa Yoshinao
Ogasawara Nobuhiro