Metro AG
From within, Düsseldorf, Essen, and Cologne are by far the largest economic centers, with specialisation in financial/high tech and insurance/multi media services respectively. Other major economic centers are Bonn and Dortmund. The region is home to twelve Fortune Global 500 companies, among them E.ON AG (Essen), Deutsche Post AG (Bonn), Metro AG (Düsseldorf), Deutsche Telekom AG (Bonn), ThyssenKrupp AG, (Essen), RWE AG (Essen), Bayer AG (Leverkusen), Franz Haniel &amp; Cie. GmbH (Duisburg), Evonik Industries (Essen), Hochtief AG, (Essen), and the Henkel Group, (Düsseldorf).