Companies catalogue
- G & P Electric, Hamilton
- G.C. Duke Equipment Ltd, Burlington
- GCM Inc., Caledonia
- GLOBAL Fuels (Winoco Petroleum Inc. aka Winona Gas Bar) Gas Station, Hamilton
- GS Wark Ltd, Hamilton
- Gagnon Heating & Cooling Inc, Burlington
- Gala Bakery, Hamilton
- Game Mania, Toronto
- Gameopolis, Hamilton
- Garaventa Lift Ontario, Surrey
- Garden Gallery Inc - Coop Office, Burlington
- Garden Grove Landscaping Inc., Waterdown
- Garnishes African & Caribbean Grocery, Milton
- Gas Fitter Complete HVAC Service, Hamilton
- Gas Guy, Burlington
- Gas Tank Exchange, Toronto
- Gas Works Inc, Hamilton
- Gasfix Services, Hamilton
- Gervais Electric, Hamilton
- Giftsorter.co, Hamilton
- Giorgio's No Frills, Hamilton
- Glass Pro, Hamilton
- Glassworks Studio, Hamilton
- Glen Oaks Funeral Home & Cemetery, Oakville
- Global Fuels Inc, Burlington
- Glow Variety & Groceteria, Hamilton
- GoGPS, Bradenton
- Goemans Custom Climate Solutions, Burlington
- Going Electric, Hamilton
- Golden Horseshoe, Hamilton
- Golden Horseshoe Svc, Oakville
- Golden Triangle Electric Ltd, Kitchener
- GoodLife Fitness Centres, Hamilton
- GoodLife Fitness Centres, Hamilton
- GoodLife Fitness Centres, Hamilton
- GoodLife Fitness Centres, Hamilton
- GoodLife Fitness Centres, Hamilton
- GoodLife Fitness Centres, Burlington
- GoodLife Fitness Centres, Burlington
- GoodLife Fitness Centres, Milton
- GoodLife Fitness Centres, Milton
- GoodLife Fitness Centres, Oakville
- GoodLife Fitness Centres, Oakville
- GoodLife Fitness Centres, Oakville
- GoodLife Fitness Centres, Mississauga
- Graham & Brooks, Dundas
- Graham A. Giddy Funeral Home - Waterloo Chapel, Waterloo
- Grainger Glass, Hamilton
- Grand Electronics, Caledonia
- GrandErie Home Hardware Building Centre, Dunnville
- Granite & Marble Direct, Mississauga
- Granite Countertops Burlington, Burlington
- Granite Countertops Hamilton (Supplier and Installation), Hamilton
- Granite Edge, Mississauga
- Granite Palace, Burlington
- Granite Stonework LTD, Oakville
- Gravity Climbing Gym, Hamilton
- Great Clips, Hamilton
- Great Clips, Hamilton
- Great Clips, Hamilton
- Green Mountain Gardens, Hamilton
- Green Piece Wire Art, Hamilton
- Green River Furniture, Hamilton
- Greensville Grocery, Hamilton
- Grimsby Home Hardware, Grimsby
- Grocery Depot, Hamilton
- Grote Electronics, Madison
- Ground Source Technologies, Hamilton
- Guenther Furniture Restorations, Hamilton
- Guenther Heating & Air Conditioning Ltd., St. Catharines
- Gulmerah Inc, Hamilton
- Gym Magic, Burlington
- Gym on Plains, Burlington