Companies catalogue
- WMC Technical Systems, Guelph
- WRDSB Summer School, Waterloo
- Wallace Park Tennis Club, Oakville
- Water Depot Aurora, Aurora
- Water Depot Newmarket, Newmarket
- Water Depot Orillia, Orillia
- Waterloo Regional Synchro, Elmira
- Waterloo Taxi, Waterloo
- Waxxen, Guelph
- Welded Industrial Products, Cambridge
- Welded Industrial Products, Cambridge
- West Edmonton Garage Door Repair Ltd, Edmonton
- West Willow Woods Neighbourhood Group, Guelph
- Westmount Pool and Spa Fergus, Fergus
- White Oaks Pool, Oakville
- Wieder Brothers Towing, Milton
- Wildlife Artistry Taxidermy, Amaranth
- Wilmot Court, Waterloo
- Wolverine Property Management, Waterloo
- Woody's Towing, Guelph
- Woody's Towing, Guelph
- Woolwich Court South, Waterloo
- Wyndham Pool & Spa Limited, Guelph