Opell Communications Inc.
Operaquest Travel Services Inc.
Orca Insurance Agency Ltd.
Organic Itsm Consulting Inc.
Organisation Des Citoyens Du Monde Utilisateurs Des Technologies
Orleans Blues d'Orléans Hockey Club Inc.
Orleans Furniture (1982) Limited
Orleans Nordic Ski Club
Ottamer Inc.
Ottawa Acoustic Supply (1989) Limited
Ottawa Brick & Stone Distribution Ltd.
Ottawa Bridal Fair Limited
Ottawa Bush Clearing Inc.
Ottawa Business Journal
Ottawa Euroeast Millwork Inc.
Ottawa Fibre Investments Inc.
Ottawa Macdonald-Cartier International Airport Authority
Ottawa Master Roofing INC.
Ottawa Messenger Group Inc.
Ottawa Renovation Centre Inc.