O'3 Shea Kevin D.
O'Meara, Jr. Daniel J.
O'Shea Kevin
Oddie Gary Martin
Oike Takayasu
Oil and Natural Gas Commission-India
Oilfield Service Corporation of America
Olson Larry
Olszewski Walter K.
Ontek Louis S.
Orban Jacques J. H.
Orsino Jr. Joseph A.
Overmier David K.
Owens Wiliam W.
Owings Allen J.