Jan Philipp Wuppermann

Wilh. Werhahn KG operates as a holding company, which operates in the Building Materials, Consumer Goods, and Financial Services divisions. The Building Materials division offers products for road construction, roofs, and façades. The Consumer Goods division focuses on kitchen and body care items. The Financial Services division includes leasing, factoring, and vehicle financing. The company was founded by Peter Wilhelm Werhahn in 1841 and is headquartered in Neuss, Germany.

Part of Bauunternehmung E. Heitkamp GmbH, Heitkamp-Deilmann-Haniel GmbH manufactures concrete products for the construction industry. The company is based in Waltrop, Germany.

ELG Haniel Metals Ltd. engages in recycling and global trading of raw materials for the stainless steel industry. It offers stainless steel scrap, special alloys, carbon fibre, prime material, and stainless steel sheets and coils. The company was founded on September 18, 1980 and is headquartered in Sheffield, the United Kingdom.

Franz Haniel & Cie. GmbH is a Haniel family equity firm. The company was founded in 1756 by Jan Willem Noot and is headquartered in Duisburg, Germany.

Part of CEMEX SAB de CV, Readymix AG Fuer Beteiligungen is a company that offers high-quality harpsichords, cements, and building materials. The company is based in Ratingen, Germany. The German company also provides expert advice on CEMEX concrete products.

Zwiesel Kristallglas AG manufactures and distributes drinking glasses. Its brands include SCHOTT ZWIESEL, ZWIESEL 1872 and JENAER GLAS. The company was founded by Anton Müller in 1872 and is headquartered in Zwiesel, Germany.

Allianz Versicherungs-AG engages in the non-life insurance business. It provides general accident, liability, vehicle, legal expense, fire, credit and surety, as well as transport insurance services. The company is headquartered in Munich, Germany.

ADCURAM Group GmbH (ADCURAM) is the investment management arm of ADCURAM Invest GmbH founded in 2003 by Dr. Florian Meise, Dr. Matthias Meise, Dr. Ulf Lange and Thomas Probst. The firm is headquartered in Munich, Germany.

ELG Haniel GmbH recycles and trades stainless steel scrap. The firm’s products include stainless steel scrap, special alloys, carbon fiber, primary material, stainless steel sheets & coils, purchase, sale and processing. The company was founded in 1962 and is headquartered in Duisburg, Germany.

Hüttenwerke Krupp Mannesmann GmbH is a steel manufacturing private company based in Duisburg-Huckingen, Germany. The CEOs of the German company are Herbert Eichelkraut, Gerhard Erdmann, Carsten Laakmann. The company specializes in the production of steel and precursors for the processing industry.

equitrust GmbH (equitrust) is the wholly-owned private equity arm of equitrast Beteiligungen GmbH, itself a subsidiary of Rickmers Erck GmbH & Cie KG, ultimately controlled by Erck Rickmers, of the Rickmers family of entrepreneurs. The firm was founded in 1999 and is headquartered in Hamburg, Germany.

BÜFA Composites International GmbH is an investment holding private company based in Oldenburg, Germany. and has subsidiaries in Poland. The German company functions as an investment holding company.

Part of Salzgitter AG, Salzgitter Mannesmann Handel GmbH is a German company that manufactures and distributes steel plates, strips, and sheets. The company is based in Dusseldorf, Germany. The CEO of the company is Volker Schult.

BÜFA Verwaltungs-GmbH engages in the supply of chemical products, which are classified under the chemicals, cleaning, and composites business segments. The company was founded on December 31, 1947 and is headquartered in Oldenburg, Germany.

Peiner Träger GmbH manufacturers and supplies beams and column sections made from steel. It offers structural shapes and wide flange beams, column, sheet piling, bearing pile, mine support sections and Y-steel sleepers. The company was founded in 1872 and is headquartered in Peine, Germany.

Part of Salzgitter AG, Salzgitter Flachstahl GmbH is a company that produces hot-rolled, cold-rolled, and coated flat steel products. The company is based in Salzgitter, Germany. The company also collaborates with Salzgitter Mannesmann Forschung to continuously develop materials and surfaces. In addition, the German company provides an online platform for its business partners to stay informed about the status of their orders. The platform includes information on the dimensions of hot-dip galvanized products and the surface type of Stronsal® coated products. The CEO of the company is Ulrich Grethe.

Ilsenburger Grobblech GmbH manufactures and supplies heavy plates and high tensile steel grades. It offers products of different brand including MAXIL, BRINAR, and RESTIL. The company was founded in 2001 and is headquartered in Ilsenburg, 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.

ELG Carbon Fibre Ltd. provides recycling services for carbon fiber-reinforced plastic products. It offers milled fibre, chopped tow, oversized chopped tow, thermoplastic nonwoven mats, carbon fibre nonwoven mats and chopped carbon fibre products. The firm's offers its products to automotive, rail and aero markets. The company was founded in 2003 and is headquartered in Coseley, the United Kingdom.

Part of BÜFA Verwaltungs-GmbH, BÜFA Chemikalien GmbH & Co. KG is a chemical supplier based in Altmoorhausen, Germany. The CEOs of the German company are Felix Thalmann, Ronald Ijzer. The company supplies chemicals.

Part of Wuppermann AG, Wuppermann Staba GmbH is a German company that specializes in the quality and refinement of steel for 150 years. The company is based in Leverkusen, Germany. The company offers customized processed steel with low CO2 emissions as a perfectly coordinated intermediate product. The CEOs of the company are Arndt Lassmann, Johannes Nonn.

BÜFA Composite Systems Verwaltungs GmbH is a private company based in Oldenburg, Germany. BÜFA Composite Systems Verwaltungs GmbH provides administrative and management services. The German company was founded in 2002 and the CEO is Felix Thalmann.

BÜFA Reinigungssysteme Verwaltungs GmbH is a private company based in Oldenburg, Germany. BÜFA Reinigungssysteme Verwaltungs GmbH provides administration and management services. The German company was founded in 1985 and is led by CEOs Felix Thalmann and Sebastian Specht.

Part of BÜFA Verwaltungs-GmbH, BÜFA Reinigungssysteme GmbH & Co. KG is a family-owned business that has been operating in the chemical industry since 1883. The company is based in Oldenburg, Germany, and is internationally active in the fields of chemicals, cleaning, and composites. BÜFA offers innovative, environmentally conscious, and targeted products and systems that meet the highest standards and are used in various sectors such as the railway industry, wind energy, food, and cleaning industry. BÜFA strictly follows the principle of sustainability and relies on new chemistry to combine economy with social responsibility. The German company offers a variety of measures to create a good work-life balance and focuses on a sustainable circular economy. The CEO of the company is Felix Thalmann.

BÜFA Composite Systems GmbH & Co. KG manufactures and distributes industrial and agricultural chemicals. The company is headquartered in Rastede, Germany.