On 14th December 2011, the Neue Glaswerke Großbreitenbach & Co (Wiegand Glas) purchased a 100% interest in the Swiss based Vitrum Holding and its 100%-owned subsidiary Thueringer Behaelterglass (TBG)
TBG has 217 employees and sales of €46 million. Together with Wiegand Glass, annual sales for 2011 are expected to reach approximately €250 million.