CA Immo or CA Immobilien Anlagen is an Austrian real estate company based in Vienna with offices in Germany, and the respective capitals of Poland, Hungary and the Czech Republic. CA Immo's core competence is the development and management of office properties in core Europe. In addition to managing existing properties, CA Immo in Germany focuses on the development and realisation of new properties, including entire city districts. As of March 2011, it is a member of the Austrian Traded Index, the index of the twenty largest companies traded on the Vienna Stock Exchange. It is involved with a number of large and notable buildings, including Tower 185, the Skyline Plaza complex in Frankfurt and the Europacity complex in Berlin. Wikipedia