Hans-Joachim Welsch

Part of Dillinger Hütte & Saarstahl Vermoegensverwaltungs oHG, ROGESA Roheisengesellschaft Saar mbH is a joint subsidiary of AG der Dillinger Hüttenwerke and Saarstahl AG. The company is based in Dillingen, Germany and was founded in 1981. The CEOs are Alois Streißelberger and Hans-Joachim Welsch. ROGESA produces up to 4.6 million tons of hot metal each year and invests in optimizing environmental protections with the relining of one blast furnace in 2016, the expansion of the coal pulverizing plant with a third coal pulverizer, and the construction of a blast furnace gas-fired power plant. The German company's production program also includes crushed blast furnace slag as well as granulated blast furnace slag.

Part of Dillinger Hütte, Zentralkokerei Saar GmbH is a joint subsidiary of AG der Dillinger Hüttenwerke and Saarstahl AG. The company is based in Dillingen, Germany and was founded in 1982. The CEOs are Alois Streißelberger and Hans-Joachim Welsch. Zentralkokerei Saar produces coke for use in the blast furnaces of the German affiliated company, Rogesa Roheisengesellschaft Saar GmbH. The production program also includes resulting by-products such as raw tar, crude benzene, and pure sulfur. The company has two coke batteries in continuous operation, with a total capacity of up to approximately 1.2 million tons of coke per year. Zentralkokerei Saar has incorporated the latest pollution-prevention technologies, making it one of the most modern coking plants in the world.

Montan-Stiftung-Saar operates as a holding company. The company was founded on September 7, 2001 and is headquartered in Völklingen, Germany.

SHS-Stahl-Holding-Saar GmbH & Co. KGaA operates as a holding company with interests in steel production. The company was founded in 2001 and is headquartered in Dillingen, Germany.