Okumura Takashi
Okuna Kenzi
Okunishi Mizuho
Okuno Shigeru
Okunomiya Seiji
Okunomiya Seizi
Okushima Shigeru
Olesen Ernst R. Thorsager
Oleson Frederick J.
Oliver Luther L.
Oliverio Michael S.
Olivers Lynn M.
Olivetti Accessori, S.p.A.
Olivetti Lexikon S.p.A.
Olivetti Office U.S.A., Inc.
Olsen Alf J.
Olsen Allan G.
Olson Allan G.
Olsovsky Joseph C.
Olympia Aktiengesellschaft