- Hair Care Professionals, Petawawa
- Halls, Auditoriums & Ballrooms Rental, Petawawa
- Health & Diet Food Products - Wholesale & Retail, Petawawa
- Health & Fitness Program Consultants & Trainers, Petawawa
- Health & Medical, Petawawa
- Health And Medical Centers, Petawawa
- Healthcare Providers, Practitioners & Professionals, Petawawa
- Heating & Plumbing Supplies Stores, Petawawa
- Herb & Spice Stores, Petawawa
- Highway Surfacing & Paving Contractors, Petawawa - Pavers - Paving Companies
- Hobby & Model Shops & Supplies, Petawawa
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- Home Additions & Remodeling Contractors, Petawawa - Refinishing & Restoration
- Home Furnishings, Petawawa - Home Decor Stores, Items & Accessories
- Horse Stables, Petawawa
- Hotels & Motels, Petawawa
- House & Apartment Cleaning, Petawawa
- House Cleaning & Maid Service, Petawawa
- Household & Commercial Appliances Stores, Petawawa
- Household Goods & Furniture Storage , Petawawa
- Household Services, Petawawa
- Housing Providers, Petawawa
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