-tourist organisations and travel intermediaries : tourist offices, national tourist organisations, tourist clubs, travel agencies, tour operators
- primary tourism enterprises (companies which have their core business in the tourism sector and serve first of all tourists as customers): hotels, holiday parks, campings
- secondary tourism enterprises (companies which provide their products and services in the first place for the local population but which are also frequented by tourists): catering industry (restaurants, cafés), retail (shops, banks)