Rolf Haferkamp

Sero Entsorgung AG engages in the collection, and transportation of scrap and waste products from private households, commercial and industrial clients. The firms operations and those of its subsidiaries were sold to CLEANAWAY Nord-Ost GmbH, in 2002. The company was founded in 1991 and is headquartered in Berlin, Germany.

Part of DXC Technology Co., CSC Ploenzke AG is a German company that provides information technology services as well as consultancy services. The company is based in Wiesbaden, Germany. CSC Ploenzke was acquired by Computer Sciences Corp., part of DXC Technology Co. from April 03, 2017 on January 02, 1995 for $120 million.

Veolia Umweltservice Regionalholding GmbH & Co. KG provides waste management and recycling services. The company is based in Hamburg, Germany. Veolia Umweltservice Regionalholding was acquired by Veolia Umweltservice GmbH, a SUB of Veolia Environnement SA from Brambles Industries Ltd. on April 12, 2006 for $685.62 million.

BauBeCon Immobilien GmbH engages in the acquisition and sale of land and property rights, as well as management and leasing of real estate properties. The company was founded on March 7, 2005 and is headquartered in Berlin, Germany.

United Energy Group Plc operates as an energy company. Its business division includes Energy Trading, Energy Consulting and Energy Investments. Its energy trading activities comprise identifying, extracting, and supplying oil and gas sources. Energy Consulting offers consulting services in the areas of engineering and project development. The Energy Investments division includes participations in selected green energy projects and generating market potential for new technologies. The company was founded on April 24, 2006 and is headquartered in Histon, the United Kingdom.

Wiesmann GmbH manufactures sports cars. Its vehicles are hand-built and focused on luxury segment. Wiesmann has sales centers in Europe, the Middle East and Asia. The company was founded in 1988 and it is headquartered in Duelmen, Germany.

Part of RAG-Stiftung, RAG AG specializes in coal mining. The company is based in Essen, Germany. The CEO of the German company is Peter Schrimpf.

TG Potsdam Holding GmbH is an investment holding company based in Potsdam, Germany. The private company was founded in 2008 and the CEO is Rolf Haferkamp.