Heidelberger Druckmaschinen AG, sometimes referred to as Heidelberg or Heideldruck for short, is a German precision mechanical engineering company with registered offices in Heidelberg and headquarters in nearby Wiesloch-Walldorf. The company offers products and services along the entire process and value chain for printing products and is the largest global manufacturer of offset printing presses. Heidelberg further produces equipment for prepress, press and postpress. Wikipedia