Orbital Engine Co. Proprietary, Ltd.

Orbital Engine Co., (Australia) Pty Ltd.

Orbital Engine Company (Australia) PTY Limited

Orbital Engine Company (Australia) Pty Ltd.

Orbital Engine Company (Australia) Pty. Ltd.

Orbital Engine Company Proprietary

Orbital Engine Company Proprietary Limited

Orbital Engine Company Propriety Limited

Orbital Fluid Technologies, Inc.

Orbital Walbro Corporation

Oribital Engine Company (Australia) PTY Limited

Orikabe Kentaro

Orinko Joseph T.

Ortell William Edward

Ortiz Jose M.

Ortmann Walter Joseph

Orzal Gregory

Orzel Daniel V.

Osadin Vladimir A.

Osaki Masanobu