- Higher secondary school
- Holding company
- Holistic medicine practitioner
- Hair extension technician
- Height works
- Home help
- Hearing aid store
- Heritage preservation
- Hot tub repair service
- Herbal medicine store
- House sitter
- House sitter agency
- Handyman
- Hydraulic repair service
- Horse trailer dealer
- Homeless service
- Hospice
- Home health care service
- Hair removal service
- Hospital department