Companies catalogue
- O & A Synergy Investments Ltd, Victoria
- O A Routes Car Rentals, Mississauga
- O'Neill C Grady Dr Inc, Victoria
- O'Neill Kevin Dr, Victoria
- O'Neill Michael, Victoria
- O's Clothes, Hamilton
- O.C. Tanner, Salt Lake City
- OAKVILLE AUTO SALES, Oakville
- OAKVILLE LIMO CAR SERVICE, Oakville
- OLD VICTORIA PROCESS SERVICE, Victoria
- ONEMAX Real Estate Ltd., Brokerage, Hamilton
- OSL Retail Services, Mississauga
- Oak Bay Emergency Program, Victoria
- Oak Bay Marina, Oak Bay
- Oak Bay Police Department, Victoria
- Oak Bay Volunteer Services, Victoria
- Oak-land Ford Lincoln, Oakville
- Oakcrest Preschool, Victoria
- Oakridge Landscape Contractors Ltd., Hamilton
- Oakville Auto Centre, Oakville
- Oakville Auto Sales, Burlington
- Oakville Auto Services, Oakville
- Oakville Autos, Oakville
- Oakville Car Wash & Detailing, Oakville
- Oakville Chrysler Dodge Jeep Ram Ltd., Oakville
- Oakville Home Leisure, Oakville
- Oakville Motors Inc, Oakville
- Oakville Used Car Superstore, Oakville
- Oakville Volkswagen, Oakville
- Oakville limo car service, Oakville
- Oakway Cabinets, Hamilton
- Oasis, Victoria
- Oasis Cannabis, Hamilton
- Oasys Concrete and Design, Hamilton
- Ocapt, Burlington
- Ocean 98.5, Victoria
- Ocean Ecoventures Whale Watching, Cowichan Bay
- Oceanus Reinforced Plastics, North Saanich
- Octacom Limited, Richmond Hill
- Ok Alone, Victoria
- Old School Cabinetry, Grimsby
- Olde Shoe House Ltd The, Burlington
- Olde Shoe House Ltd The, Burlington
- Oldfield Storage Complex, Saanichton
- Olsen Europe, Oakville
- Olympic Physiotherapy, Victoria
- Omni Rehabilitation, Victoria
- Omni Scaffolding Supply, Mississauga
- On A Bun, Burlington
- On-Site PC Support Services - Dolf Tenbroek Enterprises Inc., Milton
- One Design Boat Covers, Mississauga
- One Love Wedding Essentials, Victoria
- One More Sushi, Duncan
- One Price Dry Cleaners, Burlington
- One Rebellion Clothing Co, Dundas
- One Touch Solutions Inc., Oakville
- One World Auto Service, Mississauga
- OnePlan Business Centres, Burlington
- Ontario Concrete Paving, Hamilton
- Ontario Crane Service, Hamilton
- Onward Computer Systems, Burlington
- Ooh, La, La A Franca Pedulla Aesthetic Boutique Inc, Milton
- Open Door (The), Victoria
- Opie's Quality Meats, Hamilton
- Optical Contacts, Mississauga
- Optical Factory, Hamilton
- Opus Repairs, Hamilton
- Orangetheory Fitness, Victoria
- Orangetree Boutique, Hamilton
- Organic Coaching & Consulting, Burlington
- Organizational Solutions Inc., Burlington
- Original Hamilton Beer Tours, Hamilton
- Original Wine Cellars, Duncan
- Origins Counselling Services, Victoria
- Orion Products Ltd, Saanichton
- Orthodontics Victoria, Victoria
- Orthodontics Victoria, Victoria
- Orthomolecular Vitamin Information Centre Inc, Victoria
- OshKosh B'gosh, Oakville
- OshKosh B'gosh, Oakville
- Oswald's Marvelous Food and Catering, Hamilton
- Ottawa Computech, Hamilton
- Otter Bay Marina, Pender Island
- Our Fathers Farm, Dundas
- Our Lady of Grace Catholic Church, Salt Spring Island
- Our Lady of the Assumption, Saanichton
- Our Lady of the Rosary, Victoria
- Our Lady of the Rosary Preschool, Victoria
- Out & About Tranportation Services, Hamilton
- Out Of The Basement, Hamilton
- Out Of The Woods, Oakville
- OutSpokin Bike Shop, Salt Spring Island
- Outer Shores Expeditions, Victoria
- OverAir Proximity Technologies Ltd., Hamilton
- Overhead Door Company of Hamilton-Burlington, Burlington
- Overhead Door Company of Kitchener-Waterloo Ltd., Kitchener
- Oxygen Yoga and Fitness Saanich, Victoria
- Ozmosis Wellness Inc., Victoria
- oaklands, Victoria
- ooh ooh darling, photography, Victoria