O'brien Charles F. (jr.)
O'connell Michael Oliver
O'connor Kevin
O'connor Richard K.
O'day Therese J.
O'dell David Ray
O'donovan Roger
O'kane Brian
O-Two Systems International Inc.
Obschestvo S. Ogranichennoi Otvetstvennostiju "unipat"
Obschestvo S. Ogranichennoi Otvetstvennostju "unipat"
Obschestvo S. Ogranichennoj Otvetstvennostju "artech-2000"
Ocker Klaus F.
Octaaf Adviesgroep B.v.
Odnovol Leonid Alexandrovich
Ohba Yoshihiko
Okada Katsuhiko
Oko-Tec Umweltschutzsysteme Gmbh
Olaiya Charles O.
Olander Donald E.