O'Neill James Arthur
O.R.M.A.C. S.p.A. dei F.LLI CUCCHETTI & CO.
Obschestvo S Ogranichennoi “Nauchno-Proizvodstvennoe Obie
Ohana Yorihito
Ohira Akira
Ohji Nobunori
Ohkubo Yutaka
Ok Hyunyoung
Okuno Tetsuo
Olashuk Kenneth R.
Omni Technik, Mikroverkapselungsgesellschaft mbH
Omuro Satoshi
Oplatek Oy
Orava Tauno
Orita Nobuaki
Osawa Yoshihisa
Osterberg Raymond Charles
Owatari Akira
Ozaki Kazuo