Companies catalogue
- J & G Meats, Burlington
- J.L. Grightmire Market Street Arena, Hamilton
- JA Fowler & Associates, Burlington
- JBS Manufacturing Inc, Hamilton
- JC Vape Shop, Waterdown
- JET Fluid Systems Inc, Kitchener
- JKM Custom Fabricating, Cambridge
- JLB Fabricating Ltd, Hamilton
- JP's Dirt Road Shop, Ohsweken
- JP's Dirt Road Smokes, Ohsweken
- JPG Exhaust Inc., Oakville
- JSEN Copywriting, Hamilton
- James A. Brown Professional Corporation, Hamilton
- Jamesville Ceramics & Paints, Hamilton
- Jamesville Video & Variety, Hamilton
- Jand Manufacturing Ltd, Cambridge
- Jane Scurfield Counselling, Burlington
- Janet Goodhoofd - Marriage, Couples, Family & Individual Counselling in Oakville MSW RSW, Oakville
- Janine Myers RMT, Bioflex Laser Therapist, Contemporary Medical Acupuncture Therapist, Milton
- Jarek Gora Massage Therapy, Hamilton
- Jarvis Flyball Box, Caledonia
- Jayne Industries, Hamilton
- Jenco Canada, Oakville
- Jenna Leduc-McGraw RMT, Hamilton
- Jenny's Nail Salon, Hamilton
- Jepson's Fresh Pork, Hamilton
- Jerome Brothers Potatoes Ltd, Hamilton
- Jessco Metal Works Inc., Hamilton
- Jigsaw Advertising & Marketing, Burlington
- Jody Scarborough, Burlington
- John G. Cox Family Law, Barristers & Solicitors, Oakville
- John Hall, R.M.T., Hamilton
- John Hicks Law Office, Burlington
- John Paladino, Barrister & Solicitor, Oakville
- John's Interiors Carpet One, Cayuga
- Johnny Cool Custom Choppers, Burlington
- Joseph Haulage Canada Corp, Caledonia
- Joshua Gold Resources Inc, Oakville
- Joslin's Mixed Martial Arts, Hamilton
- Josmar Acres, Ancaster
- Journeymen International Inc, Cambridge
- Just Train Crazy, Lincoln