O'brien Patrick J.
O'brien Robert Neville
O'dwyer Jonathan P.
O'hanlon Aidan
O'keefe Dennis R.
O'leary James Richard
O'leary Timothy
O'meadhra Ruairi Seosamh
O'neal Russell D.
O'neill Eugene T.
O-Three Limited
O-Zo Corporation
O.e.t. Calusco S.r.l.
Oakley Michael John
Oakley Simon J.
Oberholtzer James E.
Oberste-Berghaus Gerhard
Obladen Helga
Oborn Phyllis
Obrecht Robert P.