Companies catalogue
- G A Grier 1991 Inc, Burlington
- G W Machine & Tool Design, Milton
- G Y Development, Hamilton
- GTA Music School Milton, Milton
- Gabi (The Permanent Makeup), Oakville
- Gage Medical Centre, Hamilton
- Gage Physiotherapy and Foot Clinic, Hamilton
- Gamma Sales Incorporated, Orillia
- Garden Park Lot, St. Catharines
- Garth Pizza & Wings, Hamilton
- Gateway, Hamilton
- Gateway Newstands, Hamilton
- Gateway Newstands, Mississauga
- Gateway Pet Memorial, Smithville
- Gen Leung Piano Studio, Oakville
- Generations Physiotherapy Ctr, Halton Hills
- Georgetown Hospital, Halton Hills
- Geriatric Clinic, Hamilton
- Germania Park, Hamilton
- Geyer Studio, Hamilton
- GiGi's Fitness Studio, Hamilton
- Giant Leap Photography Studios Inc., Hamilton
- Gil's Waterproofing Inc, Hamilton
- Gilkson Park, Hamilton
- Gino's Pizza, Hamilton
- Gino's Pizza, Hamilton
- Girotti Machine Limited, St. Catharines
- Glen Abbey Physiotherapy, Oakville
- Glen Abbey Vision Centre, Oakville
- Glen Allen Park, Oakville
- Glenashton Medical Clinic, Oakville
- Glenn Paul Music, Hamilton
- Global 1 Packaging, Burlington
- Global Hire Placement Services, Edmonton
- Global Hire Placement Services Edmonton, Edmonton
- Glori Music Studio, Hamilton
- Glover's Falls, Hamilton
- Going Home Medical, Milton
- Golden Age Retirement Home, Hamilton
- Golden Horseshoe Green Tech (GHGT), Hamilton
- Golden Horseshoe Venture Forum, Hamilton
- Golden Machining, Brantford
- Golf Canada, Oakville
- Good Shepherd Non-Profit Homes, Hamilton
- Gord Wise OA Packaging, Hamilton
- Gorilla Cheese, Hamilton
- Gosnay Studios, Hamilton
- Gospel for Asia, Hamilton
- Gourley Park, Hamilton
- Gozlan Psychology Professional Corporation, Hamilton
- Grace House, Oakville
- Gracelene's School of Music, Milton
- Grand Magazine, Kitchener
- Grand Oak Park, Oakville
- Grand Precision Machining Inc, Brantford
- Grand River Marina & Cafe, Dunnville
- Great Lakes Optometry, Oakville
- GreenHill Medical Walk-In Clinic, Hamilton
- Greenbelt Fund, Milton
- Greenbelt Lumber, Hamilton
- Greensville Optimist Park, Hamilton
- GreyJay Energy, Edmonton
- Griffin Trust, Oakville
- Grimsby Lions Community Pool, Grimsby
- Grimsby Museum, Grimsby
- Grimsby Pet Grooming, Grimsby
- Grindstone Properties Ltd, Hamilton
- Grooming By Debbie, Hamilton
- Groomingdale's Pet Grooming, Hamilton
- Guardian Personnel Co, Edmonton
- Gurr & Purr Professional Pet Sitting, Grimsby
- Gusenbauer A W Dr, Hamilton
- Gwen Lee Supportive Housing Community, Hamilton