Concert Agency Wolfgang Trojan
- Event organiser specialising in concerts, dinners and weddings. Gives details of company, services, references and contact information.
- http://www.musik-wien.com/

Vienna Entertainment
- Cultural events promotion company that organizes events for large companies. Site provides marketing and service information, concert listings, and ticket information.
- http://www.viennaentertainment.com/

Aigner und Österreicher
- Event marketing agency. Includes details of services, previous clients, staff and contact information.
- http://www.aoeg.at