The intensive exchange of ideas with non-governmental organizations (NGOs) is being maintained and expanded. As a member of Transparency International, HOCHTIEF lays the foundation for the necessary mutual trust and understanding. The high HOCHTIEF management standards, the Code of Conduct and the ethical principles apply to all business dealings. In addition, HOCHTIEF promotes dissemination of the "Rules of Conduct to Combat Extortion and Bribery in International Business Transactions" of the International Chamber of Commerce.