Companies catalogue
- HABCO, Toronto
- HALO Medical Clinic, Courtice
- HH Metal Stamping, Toronto
- Hand Skills for Children Occupational Therapy Services, Toronto
- Hanna's Mediterranean Restaurant, Richmond Hill
- Haq's Appliance Care, Sudbury
- Harbour Mortgage Corp., Toronto
- Harmony Health, Oshawa
- Harmony Nannies & Caregivers, Pickering
- Harvest King Produce Inc, Sudbury
- Harwood Medical Centre, Ajax
- Harwood Montessori School, Ajax
- Haven Finincial Group, Whitby
- Head Quarters - Focus Group Facilities Toronto, Toronto
- Heal Naturally Holistic Health, Pickering
- Health & Safety-Toronto and Region Conservation (TRCA), Toronto
- Heart Care Canada, Oshawa
- Heaven On Seven, Kawartha Lakes
- Henry's, Sudbury
- Hergott Greg J Dr, Oshawa
- Heritage Music Academy, Markham
- Herold Supply, Greater Sudbury
- Highcastle Public School, Toronto
- Highland Creek Public School, Toronto
- Highmark Homes - Triumph, Whitby
- Hillsdale Estates, Oshawa
- Hillsdale Terrace, Oshawa
- Hilti Canada - Sudbury, Sudbury
- Hockey Shops, Pickering
- Holyland Monuments Ltd, Toronto
- Homebound Wellness Centre Inc., Ajax
- Honestly Nourish, Whitby
- Hong Fook Mental Health Association, Toronto
- Horseshoe Tax & Bookkeeping Services, Brantford
- Hotspex Inc, Toronto
- Houle's Appliance Service, Sudbury
- Howard I Holmes DDS, Pickering
- Hoyin Siu Toronto Photography Studio, Toronto
- Hwellness - Ardyss Distributor #78076732, Pickering