The core activity of STI Service AG is the provision of transportation services, particularly in the area of public passenger transport, as well as the organization of trips and excursions. This includes: The operation of bus lines, such as the Bike-Shuttle and the Schallenberg line; The organization of multi-day trips and day trips through the subsidiary Oberland Reisen; The sale of tickets and the processing of travel cards through the STI Ticket-Shop; The provision of information and services for travelers, such as timetables, travel advice and organization. The company thus offers a wide range of services in the fields of transportation and tourism.