Rolf Holub

Part of RWE AG, RWE Rhein Ruhr AG is a German company that supplies electricity. The company is based in Essen, Germany.

Austrian Airlines AG provides scheduled, cargo, and charter air services. Its scheduled traffic services include mail and excess baggage and charter air services include holiday flight activities. The firm operates scheduled flights under the Austrian arrows and charter flights under the Lauda Air brands. Austrian Airlines has operations in Europe, the Middle East, Asia, and the United States. The company was founded on September 30, 1957 and is headquartered in Vienna, Austria.

Essent NV engages in the supply of electricity, gas, and heat to consumers and corporations. It offers electricity generated through biomass, wind energy, combined heat and power plants. The company was founded in 1999 and is headquartered in ’s-Hertogenbosch, the Netherlands.

Gerolsteiner Brunnen GmbH & Co. KG exports mineral water and distributes products. It serve mineral water segments through various beverage container options. The company was founded in 1888 and is headquartered in Gerolstein, Germany.

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.

RWE Power AG engages in the production, generation, and distribution of electricity. It operates coal, nuclear, hydroelectric, and other conventional power plants. The firm also specializes in the extraction of energy raw materials. The company is headquartered in Essen, Germany.

Deutsche Kreditbank AG provides banking and financial services to private and corporate clients. Its products and services include loans and mortgages, savings accounts, accounts for payment transactions, credit cards, investment products, corporate financing, property management, as well as real estate financing. The company was founded in 1990 and is headquartered in Berlin, Germany.

Siemens AG Österreich engages in the manufacture and sale of industrial products in the fields of electrical engineering, telecommunications engineering, measurement engineering, control engineering, machine building, as well as precision mechanics and related technologies. It also plans, executes, and sells all types of systems and system components for the production, transmission, and processing of information and energy. The company was founded on October 23, 1879 and is headquartered in Vienna, Austria.

Grosskraftwerk Mannheim AG produces and distributes coal energy. The firm provides power for households, businesses and industry. It also produces steam for neighboring industrial companies and heating water for the district heating network of the Rhine-Neckar metropolitan region. The company was founded on November 8, 1921 and is headquartered in Mannheim, Germany.

Part of E.ON SE, rhenag Rheinische Energie AG is a German company that provides energy solutions with almost 150 years of experience in the field. The company is based in Cologne, Germany. rhenag offers an interactive chart to explain the different items on their customers' annual bills, ensuring clarity and understanding. The company's expertise in energy and long-standing tradition in the industry make them a reliable choice for forward-thinking energy solutions.

RheinEnergie AG engages in the production, trading, network operation, as well as distribution of energy and water. Its products include electricity, natural gas, water, district and local heating, as well as steam. The firm also provides energy-related services. The company was founded in 1863 and is headquartered in Cologne, Germany.

Österreichische Forschungsförderungsgesellschaft mbH engages in the provision of financing services for industrial research and development. It focuses its support on life sciences, information technology, material and production processes, energy and environment, mobility, space, safety and security, as well as human resources. The company was founded on September 1, 2004 and is headquartered in Vienna, Austria.

Part of RWE AG, RWE Supply & Trading CZ as is a company that supplies and trades natural gas. RWE Supply & Trading CZ as is based in Prague, Czechia. The Czech company was founded in 2001. Robert Kronenberg has been the CEO of the company since 2022.

innogy Netze Deutschland GmbH engages in the production and distribution of electricity, natural gas, district heating, and water. It also constructs, operates, acquires, and utilizes network facilities, as well as transport, storage, and distribution systems for its products. In addition, the firm also provides associated services. The company is headquartered in Essen, Germany.

Part of moderne stadt Gesellschaft zur Förderung des Städtebaues, modernes köln Gesellschaft für Stadtentwicklung mbH is a German company that focuses on urban development. The company is based in Cologne, Germany. The CEOs of the company are Thomas Scheitza, Andreas Röhrig.

Part of RWE AG, RWE Pensionsfonds AG provides pension fund services. The company is based in Essen, Germany. The CEO of the German company is Katja van Doren.

Part of RWE AG, RWE Supply & Trading GmbH is a German company that produces clean, secure, and affordable electricity while pursuing a clear goal of reducing CO2 emissions. The company is based in Essen, Germany. The company is also advancing storage and energy technologies globally.

Infineon Technologies Austria AG engages in the development, production and sales of switching elements in microelectronics. The company was founded on March 24, 1999 and is headquartered in Villach, Austria.

KNG-Kärnten Netz GmbH engages in the operation of electrical power and natural gas distribution networks. Its activities include the planning, construction, operation, maintenance, and repair of network facilities. The company is headquartered in Klagenfurt am Woerthersee, Austria.

Postbank Systems AG provides information technology (IT) solutions and services. The company was founded on June 8, 2000 and is headquartered in Bonn, Germany.

Part of E.ON SE, Donaukraftwerk Jochenstein Aktiengesellschaft is a German company that constructs and operates power plants. The company is based in Passau, Germany and was founded in 1952.

The Institute of Science & Technology Austria (ISTA) is a research institute that provides scientific service units to avoid duplication of efforts and expenses. The private company is based in Klosterneuburg, Austria, and has subsidiaries in Austria. The Austrian company also offers family services to support employees with family questions and continuously provide services to balance work and family life. ISTA provides full-time postdoctoral positions to highly qualified candidates who have recently completed their PhD or equivalent in natural or computer sciences, mathematics, or any related discipline. The Communications & Events department of ISTA has developed different formats to communicate science to diverse target groups. ISTA provides a world-class environment for science and is committed to the highest international academic standards.

VERBUND Innkraftwerke GmbH is a leading German energy company and one of the largest power generators from hydropower in Austria. The company is based in Toeging am Inn, Germany. The company provides information about their electricity services, including certificates for confidential and legal data exchange, commercial library, and customer service. The company also offers information about their exhibition, the composite power plants on the drau, and the schlegeis alpenstraße and schlegeis stausee. The company is ultimately controlled by the Government of Austria. The CEOs are Karl-Heinz Gruber, Michael Amerer. The company was founded in 2009.

Part of RWE AG, RWE Generation SE is a German company responsible for electricity generation from various sources such as gas, hard coal, hydropower, and biomass. The company is based in Essen, Germany. The company has a flexible and efficient power plant fleet and has become a driver of the energy transition by converting power plants and developing storage technologies. Roger Miesen has been the CEO of the company since 1982.

VERBUND Hydro Power GmbH engages in the generation and distribution of electricity, specifically generating power using hydroelectric power plants. The company was founded in 1947 and is headquartered in Vienna, Austria.

Austrian Power Grid AG is an independent transmission system operator. The firm ensures the trans regional exchange of electricity both inside and outside of Austria between energy providers and consumers. The company is headquartered in Wien, Austria.

Part of RWE AG, RWE Generation NL BV is a company that generates and distributes thermal and nuclear electricity. The company is based in Geertruidenberg, Netherlands.

Part of RWE AG, RWE Renewables Sweden AB is a Swedish company that owns and operates wind generation facilities. The private company is based in Malmö, Sweden. The CEO of the company is Markus Krebber.

Innwerk AG, founded in 2012, is a workshop that offers space, tools, and helping hands for various projects. Innwerk is based in Stammham, DE and ultimately controlled by the Government of Austria. The German company's modular workshop allows them to maximize the use of limited space. The company provides a list of materials for their customers to choose from.

Grenzkraftwerke GmbH is a company based in Germany that generates hydropower electric power. The private company was founded in 1999 and the CEOs are Michael Amerer and Karl Heinz Gruber.

Österreichisch-Bayerische Kraftwerke AG engages in the generation and distribution of electricity. The company was founded on March 10, 1951 and is headquartered in Simbach am Inn, Germany.

KPMG International Ltd. is a global organization of independent professional services firms that provide audit, tax, and advisory services. The private company is based in Canary Wharf, UK, and has a global presence of subsidiaries in several regions. The British company operates in 145 countries and territories, with more than 236,000 partners and employees worldwide. Each member firm within the KPMG organization is responsible for its own obligations and liabilities. KPMG International Limited is a private English company limited by guarantee. The company was founded in 1987, and William Bruce Thomas has been the CEO since 2017.

Part of RWE AG, RWE Clean Energy LLC is a full-service provider of operations, maintenance, and asset management services in the American market. Based in Austin, TX, Mark A. Noyes has been the CEO of the company since 2023. The company is committed to building long-term partnerships.

enviaM Beteiligungsgesellschaft mbH operates as a holding company with interest in the energy sector. The company was founded on June 7, 1994 and is headquartered in Essen, Germany.