Schwarzenhammer (Thierstein-Schwarzenhammer)

This factory was founded in 1905 by Christoph Schumann (brother of Carl Schumann I, see ⇒Porzellanfabrik Carl Schumann) and his father-in-law Karl August Schreider, a wealthy land owner. In 1913 it already had 150 employees and specialized on utility ware including many reticulated porcelain items decorated in the 'Strohblume' (Strawflower) and 'Zwiebelmuster' (Blue Onion) styles. The company slowly expanded until it had around 400 employees in 1937. Nothing else is known about this company which went bankrupt in 1984 and following its closure in 1986 left behind an industrial ruin with lots of contaminated soil that had to be removed by the regional authorities under state funding between 1998 and 2005.