- Insulation contractor
- Internet service provider
- Interior designer
- Impermeabilization service
- Indoor lodging
- Internet marketing service
- Import export company
- Indoor swimming pool
- Incineration plant
- Indoor playground
- Importer
- Insurance company
- International airport
- Ice supplier
- Internal medicine ward
- Isuzu dealer
- Investment company
- Industrial vacuum equipment supplier
- Information desk
- Information services