O'Connor Gerald J.
O'Neill Ken
O'Neill Ken
Officine Minnetti di Ornella Raveggi & C. S.A.S.
Ohlandt Greeley Ruggiero & Perle L.L.P.
Ohnishi Hisaaki
Oleszewski Robert P.
Olsthoorn Marcel A. M.
Olsthoorn Robertus M. C.
Oltrogge John P.
Orc Manufacturing Co., Ltd.
Oskam John
Osuch Eugene B.
Owens, Sr. Murphy