O'Donnell Hugh James

O'Rourke J. Cam

O'Sullivan James

O. C. S. Operators, Inc.

Obrock William L.

Odeco Engineers Inc.

Odeco, Inc.

Odegaard Kristian

Offshore Energie Development Corporation (OECD)

Offshore Energy Development Corporation

Offshore Energy Development Corporation (OEDC)

Offshore Innovation Limited A/S

Offshore Shuttle AS

Offshore Technology Development Pte Ltd

Offshore Technology Development Pte Ltd.

Often Ola

Ogimoto Kazuo

Ohkawara Shigeaki

Ohta Wataru

Oil States Rubber Co.