- Industrial area
- Immigration attorney
- Industrial design company
- Investment service
- Industrial supermarket
- Institute of technology
- Insurance company
- Industrial engineer
- Insulation contractor
- Industrial real estate agency
- Iron works
- International school
- Industrial vacuum equipment supplier
- Industrial gas supplier
- Insulator supplier
- Insurance attorney
- Iron ware dealer
- Immigration & naturalization service
- Instruction
- Incineration plant