Case 1: Taketomi Koutsuu: a transport company (operating tour buses) Case 2: Iriomote Koutsuu: a transport company with diversification businesses Case 3: Chikamori-kai: a medical services company Case 4: Tosa-Senri: a greengrocer’s

Scale of business: approximate number of target people and market area

Case 1: 500 people in 10 km2

Case 2: 6000 people in 300 km2

Case 3: 150,000 people in 300 km2

Case 4: 150,000 people in 15,000 km2

After comparing these four cases in terms of business field, market size and business scale, their common elements will be abstracted.