Rüdiger Geserick

Lieken GmbH engages in the production and distribution of bread and other baked goods. It offers bake-off products, whole grain toast, sandwiches, bread rolls, and wholemeal bread. The company serves supermarkets and discounters, and food retailers. The company was founded by Fritz Lieken and is headquartered in Dortmund, Germany.

SKW Stickstoffwerke Piesteritz GmbH manufactures fertilizers and other organic chemicals. It offers industrial chemicals, such as ammonia, urea, and nitric acid; PiaNOx, a denitrification agent for combustion gases; AdBlue, a NOx reducing agent for vehicle exhaust; special carbon blacks that include various types of acetylene blacks; polymethylene urea; and PIARUMIN, an effective and inexpensive source of nitrogen for bovine feed and a physiologically based component of natural protein substitute. The company was founded in 1993 and is headquartered in Lutherstadt Wittenberg, Germany.