O'Halloran Nadeau Inc.
O.M.D.M. Fisheries Ltd.
Obl Holdings Limited
Ocean Choice PEI Inc.
Octavian Group Inc.
Octopus Technology Research Inc.
Odinvest Inc.
Oerlikon Tech Inc.
Ohrbach's (canada) Limited
Oilseed Innovation Limited
Old World Pasta & Milling Corporation
Olympia Electric Ltd.
Omaneb N.n.g. Inc.
Omrus Specialty Inc.
On-Line Support Inc.
Ooka Island Inc.
Opacmare Americas Corporation
Oredco Inc.
Orientation Directional Services Inc.
Original Property Holdings Inc.