Companies catalogue
- O&D Custom Woodwork, Mississauga
- O'Finn's Irish Temper, Oakville
- OHIP Claims Office, Hamilton
- OIL CITY ENERGY SERVICES LTD., Edmonton
- OLA Bakery, Oakville
- OMIS.ca - Online Media & Internet Solutions, Barrie
- OMNI Health and Rehab, Burlington
- OMNI Health and Rehab Clinic, Milton
- ONYX Hose & Tube Inc., Guelph
- ONit. Canada, Burlington
- Oak Cafe, Hamilton
- Oaklands Non-Profit The, Oakville
- Oakridge Heights Condominium, Oakville
- Oakville Acupuncture And TCM, Oakville
- Oakville Acupuncture Clinic, Oakville
- Oakville Angels Softball Association (OGSA), Oakville
- Oakville Aquatic Club, Oakville
- Oakville Arena, Oakville
- Oakville Banquet Halls - Knights of Columbus Special Event Planning, Oakville
- Oakville Can-Euro Truck Service Inc, Oakville
- Oakville Chiropractic & Family Health, Oakville
- Oakville Elementary Campus - Rotherglen School, Oakville
- Oakville Executive Golf, Oakville
- Oakville Galleries, Oakville
- Oakville Golf Club, Oakville
- Oakville Orthotics, Oakville
- Oakville School of Dance The, Oakville
- Oakville TCM Wellness Centre, Oakville
- Oakville Taxidermy, Oakville
- Oakville Vascular, Oakville
- Oakville's Temple Bar, Oakville
- Oakwood Academy, Mississauga
- Objects To Desire, Grimsby
- Oceanside Tanning/Elite Hair and Tanning Salon, Cambridge
- Off The Chain Decor Rental, Cambridge
- Ohson, R. Dr., Hamilton
- Oil City Doors INC, Edmonton
- Old Strathcona Business Association, Edmonton
- Olheiser Taxidermy, Breslau
- Oliver Garage Door Repair Edmonton, Edmonton
- Olympic Forest Products Inc, Erin
- Omar Rug Company, Mississauga
- Omari Music Studios, Oakville
- Omni Technologies, Hamilton
- On the SPOT Passport Photos, Brampton
- One Love Wellness, Kitchener
- One Path Academy, Milton
- One Stop Foot Clinic & Orthotic Centre, Hamilton
- One Voice One Team, Brampton
- Oneida Canada Ltd Silversmiths, Mississauga
- Online Personal Training & Nutrition Coaching by Angela Hauck, Kitchener
- Ontario Association of Medical Radiation Sciences, Hamilton
- Ontario Association of Radiologists, Oakville
- Ontario Association of Social Workers Hamilton Chapter, Hamilton
- Ontario Automotive Recyclers Association - NO PART SALES, Hamilton
- Ontario Blasting Specialties Ltd., Mississauga
- Ontario Clean Water Agency, Grand Valley
- Ontario Clean Water Agency, Mississauga
- Ontario Early Years Centre, Guelph
- Ontario Early Years Centre, Halton Hills
- Ontario Institute Of Agrologists, Guelph
- Ontario Laser & Pain Therapy, Guelph
- Ontario Nurses Association Local 70 The, Hamilton
- Ontario Pine Forest Products Ltd, Milton
- Ontario Power Air Duct Cleaning, Mississauga
- Ontario Provincial Bailiffs, Mississauga
- Ontario Public Transit Association, Burlington
- Ontario Retirement Communities Association (ORCA), Oakville
- Ontario School of Osteopathy - Mississauga Campus, Mississauga
- Ontario Sheriff Dept, Guelph
- Ontario Travel & Immunization Clinics, Inc., Mississauga
- Ontario Water Agency, Orangeville
- Ontario Waterloo Detention Ctr, Cambridge
- Ontario Works, Mississauga
- Ontario Zoroastrian Community Foundation, Oakville
- Onward Manufacturing Warehouse, Kitchener
- Ooi's Tae Kwon Do, Mississauga
- Opal's Artistry in Flowers, Edmonton
- Opportunity International Canada, Waterloo
- Orange Fish Sushi House, Mississauga
- Orangeville Public Works, Orangeville
- Orangeville Visitor Information Center, Orangeville
- Orchard Animal Hospital, Burlington
- Orchid Photo Studio, Mississauga
- Oriental Restaurant, Hamilton
- OrthoMed Canada Ltd, Kitchener
- Orthogait Custom Orthotics, Burlington
- Orthotic Care Plus Inc, Mississauga
- Orthotic Dimensions Inc, Mississauga
- Osler Vascular & Vein, Brampton
- Osteopathy with Diane, Guelph
- Our Corner, Hamilton
- Out Door School, Puslinch
- Outdoor Woodworker, Fergus
- Outland Vegetation Mamangement, Guelph
- Outsource Cad Solutions Inc, Edmonton
- Overhead Doors Kangaroo Edmonton, Edmonton
- Owl Child Care - Our Lady of Fatima, Cambridge
- Oxbuilt Design Ltd. Commercial Interior Design & Built, Edmonton
- Oxford Learning Waterloo, Waterloo