ThyssenKrupp AG is a leading heavy industry company, now a constituent of the German DAX. The company was founded in 1999 by the merger of ThyssenKrupp AG (founded in 1871) and ThyssenKrupp AG (founded in 1811) and is now headquartered in Essen, Germany. ThyssenKrupp is mainly engaged in heavy industries, including steel, ships, elevator systems, and automotive components. In 2013, ThyssenKrupp was ranked 155th in the World's Top 500.