O'hara Tetsuya
O'link Maurice H.
O'neill Wilbur J.
O'shaughnessy Laughlin James
Oceanic Technologies Pty Ltd
Oceanworks International Inc.
Officine Meccaniche Ricci S.r.l.
Ogrodnick Nicholas
Okino Seiji
Oliver David James
Oscar A. Youngren
Oshima Shinji
Ostreng Troy
Ow Gordon Y.w.