Companies catalogue
- H&R Block, Sarnia
- H&R Block, Chatham-Kent
- H.C. Starck Canada Inc., Sarnia
- H.E. Passingham Insurance Brokers Ltd, Sarnia
- HQN Industrial Fabrics Inc, Corunna
- HUB International, Sarnia
- HUB International, Petrolia
- HUB International, Lambton Shores
- Halton Windows & Doors, Hamilton
- Hamilton Criminal Lawyers, Hamilton
- Hamilton Int'l Duty Free Shop, Fort Erie
- Hamilton Training Advisory Board, Hamilton
- Hamilton Windows, Hamilton
- Hammer Doors, Hamilton
- Hammond-Davidson Funeral Home Limited, Fort Erie
- Hana Japanese restaurant, Sarnia
- Hanna Memorial Public School, Sarnia
- Happy Daze Camper Rentals, Sarnia
- Happy Harry's, Burlington
- Happy Paws Pet Resort, Petrolia
- Hard Oil Sports Bar & Grill, Petrolia
- Hare Chiropractic and Natural Health Centre, Sarnia
- Harleen Bhandal Medicine Prof, Sarnia
- Harmac Transportation Inc, Corunna
- Harmony for Youth, Sarnia
- Harold Marcus Ltd, Sarnia
- Heritage Road Kennels, Plympton-Wyoming
- High-Tech garage doors, Hamilton
- Hollywood Tan, Corunna
- Holme Automotive, Corunna
- Home Instead Senior Care, Sarnia
- Hometown Law, Hamilton
- Hoskins Housing Co-Op, Sarnia
- Housing Services Department, Sarnia
- Hse Fire Svc, Sarnia
- Hungry For Hungary, Sarnia
- Huron House Boys Home, Sarnia
- Huron Oaks Golf Course, Sarnia
- higi, Sarnia