O'Donnell Hugh W.
Ocean Engineering Systems, Pty., Ltd.
Ocean Farms of Hawaii Limited Partnership
Odd Berg
Odell Jack L.
Oil Industry Engineering, Inc.
Oil States Industries Inc.
Oliveri Vincenzo
Ollason Andrew Stuart
Omvik Sigvard
Oosterkamp Johannes F.
Opsco Energy Industries Ltd
Ostergaard Inge
Owen John A.