Modular computer software for machine-readable data carriers, in particular on disks, magnetic tapes or rewritable semi-conductor memory, for controlling and managing public or private transportation services, as well as utility companies and disposal companies or fleets of vehicles, in particular interacting program modules for managing vehicle operation, managing master data, evaluating, representing and managing data; manuals sold as a unit with the respective computer applications; navigation apparatus for vehicles in the nature of on-board computers, ticket machines; computer hardware; computer-based operational control systems comprised of electric and electronic devices for monitoring passenger transport vehicles; electric devices for controlling radio communications; electric devices for scheduling connecting vehicles; electric devices for recording and evaluating operational data and for incident analysis as well as billing; electronic ticketing systems comprised of electric devices for selling electronic tickets, including front-end devices including ticket vending machines, chip card readers, chip card terminals; passenger information systems comprised of electric devices for visual passenger information, display devices at stops, display devices in vehicles, digital voice announcement devices, amplifiers, Public Address systems, communications systems comprised of computer hardware, computer software and data transmission networks for controlling passenger information devices, computer programs for data supply and approach of passenger information devices; ticket checking and analysis systems comprised of mobile or stationary card readers for checking and evaluating electronic tickets; devices for recording, transmitting and playing back sound and images; computer programs for data processing applications.

Maintenance of computer software; computer software development for others; testing of computer software for others; development and customization, enhancement and code conversion of computer applications for the needs and requirements of third parties; consultation and support services for the installation, enhancement and adaptation of computer applications in the area of transportation, in particular of public and private transportation services, implementation of computer-driven passenger and goods transportation services; creation of feasibility studies of the use of computers in the area of public and private transportation services, in particular passenger and goods transportation services; development of computer programs for data processing.