O&K Orenstein & Koppel AG
O'Brien Charles F.
O'Connor Donald C.
O'Donnell Arthur
O'Gorman Robert
O'Hanlan Thomas B.
O'Hare J. Paul
O'Keeffe Michael J.
O'Loughlin Howard
O'Neill Richard D.
Oakes Alan E.
Oakes William
Oakland Steven F.
Oakland Steven Frederick
Obara Masatoshi
Oberle Hans D.
Obermeyer John R.
Obinata Shigeru
Obschestvo s Ogranichennoi Otvetstven nostju Nauchno-issledovate
Obschestvo s orgranichennoi otvetstvennoshtju Nauchno issledovat