Marie-Luise Wolff-Hertwig

Stadtwerke Hanau GmbH engages in the supply of electricity, natural gas, and drinking water to private and commercial customers. It offers customer service, support programs, information builders, and measuring device. The company was founded by Herrmann Pabst in 1848 and is headquartered in Hanau, Germany.

Gas-Union GmbH engages in the production and supply of natural gas. The firm operates through the following segments: Sales, Trading, and Services; Networks; Storage; and Upstream. The Sales, Trading, and Services segment focuses on product procurement, sales, distribution, and risk management processes. The Networks segment refers to product transport. The Storage segment is reponsible for technical storage and services. The Upstream segment specializes in gas exploration. The company was founded in 1961 and is headquartered in Frankfurt, Germany.

ENTEGA AG provides energy and infrastructure services. Its operations are divided into the generation, distribution, networks, public service management, trading, and shared services business areas. The generation business segment includes the production of electricity from renewable sources and gas-fired plants. The supply of electricity, natural gas, district heating, and telecommunications services fall under the distribution division. The construction and operation of energy and drinking water networks, power plants, as well as street lighting systems are part of the networks business area. The supply of drinking water, sewage treatment, and waste incineration are included in the public service management division. The trading business unit involves energy trading, portfolio and balance group management, as well as direct marketing of electricity and biogas. The shared services division offers billing and metering services. The company is headquartered in Darmstadt, Germany.

citiworks AG is an energy trading and energy services company based in Darmstadt, Germany. The German company provides tailored solutions and energy services to energy suppliers, municipal utilities, power plant operators, and energy-intensive industrial companies. citiworks procures energy on the electricity and gas markets and manages and markets power plant portfolios. citiworks AG offers services such as market access, automated short-term trading, portfolio management, and balancing group management. Founded in 2000, the company specializes in energy trading, portfolio management, balancing group management, and logistics in the electricity and gas market. The company was acquired by Entega AG from Stadtwerke München GmbH on May 06, 2010, and is ultimately controlled by the City of Darmstadt.

Mainova ServiceDienste GmbH distributes electricity and provides utilities services. The company is headquartered in Frankfurt a. Main, Germany.

Gasversorgung Offenbach GmbH provides reliable energy and personal service in Offenbach, Germany. The German company offers electricity, gas, heat, water, and more. The private company also provides energy-saving tips for reducing costs in the kitchen. The company's subsidiary is ultimately controlled by the City of Mannheim. The company was founded in 1994, and the CEOs are Cordelia Müller and Ulrich Bruns.

Part of Magistrat der Stadt Dreieich, Stadtwerke Dreieich GmbH is a gas supply company based in Dreieich, Germany. The German company's description mentions the current situation and its impact on gas supply. The CEO of the company is Steffen Arta.

Oberhessische Gasversorgung GmbH provides various services related to gas supply, payment transactions, invoice explanation, and energy efficiency offers. The company is a subsidiary of Stadtwerke Friedberg GmbH and ultimately controlled by the City of Frankfurt. The company is based in Friedberg, Germany. The German company also offers up to €1,000 bonus for switching to their heating services, as well as a thank-you bonus for referrals. Additionally, they provide affordable natural gas, heating leasing, and fixed-price heating services. The CEOs are Holger Reuss, Stefan Hammer. The company was founded in 1977.