Orvana Minerals Asturias Corp.
Orvana Pacific Minerals Corp.
Oryx Advertising Inc.
Osaka Gangsterwerk Films INC.
Osborn Laboratories (canada) Inc.
Osborne & Chappel Goldfields Canada Limited
Osborne Mullin Planning Inc.
Oshawa Raceway Limited
Oshawa Terminals Limited
Osil Ltd.
Osin Canada Limited
Osler Leasing Inc.
Osler, Hammond & Nanton Investments Limited
Osler, Hoskin & Harcourt LLP
Osmosis Aromas Inc.
Osorio Group Inc.
Osprey Capital Partners Inc.
Osteopharm Inc.
Osteoporosis Canada Walk Foundation
Ostrich Investments Ltd.