- Building leasing
- Condominium leasing
- Parking lot leasing
- Bicycle parking space leasing
- Real estate management
- Real estate brokerage
- Stock investment
- Joint business operation
- Machine products and parts sales
- Leasing
- Maintenance
- Restaurant planning and operation
- Nonlife insurance agency operation
- Handling of domestic and overseas travel
- Travel insurance agency
- Travel-related product sales
- Tax accountants' corporation operation
- Tax consulting
- Real estate appraisal coporate operation
- Real estate consulting
