Stephan Gruber

Constantia Industries AG operates as an industrial holding company. It focuses on investment management in the areas of construction, furniture, sports goods, machine and generator assembly, aviation, as well as energy management. The company was founded in 1949 and is headquartered in Vienna, Austria.

Prinzhorn Group provides recycling, paper, and packaging services. It operates through its divisions including Hamburger Recycling, Hamburger Containerboard, and Dunapack Packaging. The company was founded by Wilhelm Hamburger in 1853 and is headquartered in Wiener Neudorf, Austria.

Stadtwerke Köln GmbH engages in the supply and distribution of electricity, natural gas, water, and district heating. It also provides river port, transportation, and public transport systems services. The company was founded in 1960 and is headquartered in Cologne, Germany.

Linde Engineering North America, Inc. manufactures and supplies process fired heaters for the petrochemical, chemical and refinery industries. Its services include customer service, engineering, procurement, construction, export and project financing. The company is headquartered in Houston, TX.

Pfleiderer Deutschland GmbH specializes in producing wood-based materials such as chipboard, high-pressure laminates, and decorative panels. The private company is based in Neumarkt, Germany, and has subsidiaries in Switzerland. The German company's materials are ecological and sustainable. The company offers a Decor Scanner app that allows customers to scan decor, view detailed information, receive combination recommendations, and request matching samples. Pfleiderer Deutschland has outstanding decorative surface expertise, customer-focused service, and a consistent orientation to sustainability. The company was founded in 1894 by Gustav Adolf Pfleiderer, and the CEOs are Simon Frank and Stefan Zinn.

Kölner Verkehrs-Betriebe AG provides public transport services. The firm offers train, tram, bus, as well as cable car transportation. Its services include taxis, car sharing, and bicycle rental. The company was founded on May 20, 1877 and is headquartered in Cologne, Germany.

VACUUMSCHMELZE GmbH & Co. KG designs, manufactures and markets magnetic materials, systems, parts and related products. The company was founded in 1914 is headquartered in Hanau, Germany.

Part of RWE AG, RWE Fuel Cells GmbH is a German company that researches, develops, and implements stationary and residential fuel cell products, systems, and services. The company is based in Essen, Germany.

Mondi AG manufactures packaging products. It is involved in the pulp and paper industry. The company specializes in the production of UCWF (uncoated wood free) paper and owns production facilities in Austria, Hungary, Israel, Slovakia, Russia and South Africa. The firm was founded in 1881 and is headquartered in Vienna, Austria.

Dentas Ambalaj ve Kagit Sanayi AS engages in the production and sale of paper and paper packaging products. Its products are used for packaging of food, beverage, agricultural and industrial products. The company was founded in 1972 and is headquartered Denizli, Turkey.

VAC Finanzierung GmbH is a unit investment trust. The private company is based in Hanau, Germany. and has subsidiaries in Germany. The CEO of the German company is Nico Reiner.

ALOIS KOBER GmbH engages in the development and production of machines, devices, and vehicle components. It also manufactures and distributes plastic goods and related products. The company was founded on December 15, 1978 and is headquartered in Koetz, Germany.

Stolzle Oberglas GmbH is an Austrian company that manufactures glass bottles and containers for perfumes, cosmetics, spirits, and liqueurs. The private company is located in AT and has subsidiaries in Austria and the United Kingdom.

VAC Beteiligungs-GmbH is an investment holding private company based in Hanau, Germany. The German company's main function is to hold investments. The company was founded in 2005 and has James Voss, Erik Eschen, Edward J. Yocum, and Nico Reiner as CEOs.

Prinzhorn Holding GmbH engages in the packaging, paper and recycling industry. Its products include Hamburger Recycling Group, Hamburger Containerboard, and Dunapack Packaging. The company was founded in 1978 and is headquartered in Vienna, Austria.

Archroma Management LLC manufactures color and specialty chemical products used for brand and performance textile specialties, packaging and paper specialties, and coatings, adhesives and sealants. The company was founded in October 2013 and is headquartered in Reinach, Switzerland.

Part of Linde Plc, Linde Gas Vietnam Ltd. is a Vietnamese company that manufactures chemicals, industrial gases, dyes and pigments. The company is based in Ho Chi Minh City, Vietnam. The company was founded in 2006 by Carl von Linde. The CEO is Aldo Belloni.

Atla Construction Management LLC provides construction services. The private company is based in Addison, TX.

Part of B & C Privatstiftung, B & C LAG Holding GmbH functions as an investment holding Austrian company. The company is based in Vienna, Austria.

Part of PRIMEPULSE SE, Gewerbepark Günzburg GmbH is a real estate company based in Koetz, Germany. Gewerbepark Günzburg GmbH provides real estate services. The CEO of the German company is Nadine Hoser.

Part of Linde Plc, Linde Holding GmbH operates as a German investment company. The company is based in Munich, Germany. The company was founded in 2017. Sanjiv Lamba has been the CEO of the company since 2019.

Part of SK Capital Partners, Archroma Germany GmbH is a specialty chemicals company committed to innovation, quality, service, cost-efficiency, and sustainability. The company is based in Wiesbaden, Germany. The CEOs are Hanspeter Gethöffer, Roland Michael Waibel, Stephan Sielaff. The company was founded in 2013.

Part of Pfleiderer Group SA, Pfleiderer Erwerbergesellschaft mbH is a German company that manufactures and sells veneer, plywood, and related products. The company is based in Neumarkt, Germany. The company was founded in 2016. The CEO is Nico Reiner.

Linde Engineering develops and optimizes gas processing, separation, and liquefaction technologies. The private company is based in Isartal, Germany. The CEO of the German company is Christian Bruch.

Part of Siemens Energy AG, Siemens Energy AG (Switzerland) is a Swiss company that offers insulators and arresters for overhead lines as complete solutions. The company is based in Zurich, Switzerland. The company also provides repair and maintenance services for all OEM equipment, delivering service excellence and innovative maintenance solutions. The company supports companies and countries to reduce emissions across the energy landscape for a more reliable, affordable, and sustainable energy system. With their innovative technologies, clear focus on the needs of their customers, and more than 92,000 dedicated employees, they energize society. The company was founded in 1866. The CEO is Christian Bruch.

PG Krumbach GmbH provides real estate and non-residential buildings management services. The private company is based in Krumbach, Germany. The CEOs are Lothar Reiner, Carola Reiner, Nico Reiner. The German company was founded in 2016.

Part of Symrise AG, Siemens Energy Management GmbH is a German company that engages in the management of assets. The company is based in Munich, Germany. Christian Bruch has been the CEO of the company since 2020.

GrECo International AG provides insurance brokerage and risk consulting services. It offers risk and insurance management solutions for the industry, trade, commerce, and public sectors. The company was founded by Josef Gregor in 1925 and is headquartered in Vienna, Austria.