Vienna is one of the 4 official seats of the United Nations and home to 15 UN organizations, OSZE and OPEC as well as 18 other international organizations. 200 international corporations have their Eastern European headquarters in Vienna (incl. JVC, Heineken, Henkel, Beiersdorf, Siemens) in addition to Austrian companies of global significance (e.g. Wienerberger AG, OMV). Every year, over 100 international companies open a branch office in Vienna. Over 34,000 people work in Vienna in the field of research and development, 43% of all research activities in Austria take place in Vienna. The city has 9 public universities, 5 advanced technical colleges and 6 private universities, with a population of over 160,000 students, the largest university city in the German-speaking region.
