The International Association of Classification Societies (IACS) is a technical NGO consisting of thirteen Marine Classification Societies, headquartered in London. IACS was founded on September 11, 1968 in Hamburg, Germany. As of September 2011 its members are the thirteen largest marine classification societies in the world. More than 90% of the world’s cargo carrying ships tonnage is covered by the classification standards set by the thirteen member societies of IACS. Any Classification Society that meets the condition of membership may apply for membership within IACS. For promoting maritime safety and clear seas, IACS and its members carry out research and development on marine-related topics, providing technical support and verifying compliance with published standards.