O'Connor Philip J.
O'Neill Marguerite E.
O'Sullivan, Jr. James F.
Oba Ronald G.
Ocean Drilling Technology, L.L.C.
Ocean Resources Engineering, Inc.
Ocean Riser System
Offshore & Marine AS
Offshore Systems Inc.
Ogura Jayme H.
Okundaye Peter
Oosterling Peter
Orbell Charles R.
Ortiz Roy
Ory Pierre
Osborne Eddie A.
Osborne John H.
Oswald Iain M.
Outhwaite George F.