Marie-Luise Wolff-Hertwig
Director/Board Member at AKASOL AG
Network origin in Marie-Luise Wolff-Hertwig first degree
| Entity | Entity type | Industry | |
|---|---|---|---|
ENTEGA AG
 ENTEGA AG Alternative Power GenerationUtilities 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.
27
| Subsidiary | Alternative Power Generation | 27 |
16
| Public Company | Electric Utilities | 16 |
| Subsidiary | Electrical Products | 9 | |
Stadtwerke Dreieich GmbH
 Stadtwerke Dreieich GmbH Electric UtilitiesUtilities 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 private company is Steffen Arta.
7
| Subsidiary | Electric Utilities | 7 |
citiworks AG
 citiworks AG Electric UtilitiesUtilities Citiworks AG is an energy trading and energy services company based in Darmstadt, Germany. The German company specializes in energy trading, portfolio management, balancing group management, and logistics in the electricity and gas market. The private company provides solutions and energy services tailored to individual needs for energy suppliers, municipal utilities, redistributors, power plant operators, network operators, cooperations, and energy-intensive industrial companies. Citiworks AG was acquired by ENTEGA AG from Stadtwerke München GmbH on May 06, 2010 and ultimately controlled by the City of Darmstadt.
5
| Subsidiary | Electric Utilities | 5 |
Mainova ServiceDienste GmbH
 Mainova ServiceDienste GmbH Electric UtilitiesUtilities Mainova ServiceDienste GmbH distributes electricity and provides utilities services. The company is headquartered in Frankfurt a. Main, Germany.
3
| Subsidiary | Electric Utilities | 3 |
ENAG/Maingas Energieanlagen GmbH
 ENAG/Maingas Energieanlagen GmbH Electric UtilitiesUtilities ENAG/Maingas Energieanlagen GmbH supplies energy and is ultimately controlled by the City of Frankfurt. The private company is based in Eisenach, Germany. The CEOs of the German company are Andreas Meyer, Frank Benz.
3
| Subsidiary | Electric Utilities | 3 |
Chart of Companies connected to the second degree
Multi-company connection
Companies connected to Marie-Luise Wolff-Hertwig via their personal network
| Company | Sector | Related people | Main position |
|---|---|---|---|
e-netz Südhessen AG
 e-netz Südhessen AG Electric UtilitiesUtilities e-netz Südhessen AG engages in the management and operation of distribution networks for electricity and gas. Its business activities include the construction and installation of network connections for private households, commercial establishments, industrial plants, and renewable energy production plants as well as the operation of metering stations. The company is headquartered in Darmstadt, Germany. | Electric Utilities | Director/Board Member Chairman Director/Board Member Director/Board Member Director/Board Member Director/Board Member Director/Board Member Director/Board Member Director/Board Member Director/Board Member Director/Board Member Director/Board Member Director/Board Member Director/Board Member | |
Stadtwerke Frankfurt am Main Holding GmbH
 Stadtwerke Frankfurt am Main Holding GmbH Electric UtilitiesUtilities Stadtwerke Frankfurt am Main Holding GmbH provides electricity, gas, heat, water and environmentally friendly services. The company was founded in 1995 and is headquartered in Frankfurt, Germany. | Electric Utilities | Chief Executive Officer Chief Executive Officer Director/Board Member Director/Board Member Director/Board Member Director/Board Member Director/Board Member Director/Board Member | |
Stadtwerke Hanau GmbH
 Stadtwerke Hanau GmbH Electric UtilitiesUtilities 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. | Electric Utilities | Director/Board Member Director/Board Member Director/Board Member Director/Board Member Director/Board Member Director/Board Member Director/Board Member | |
Hanau Netz GmbH
 Hanau Netz GmbH Electric UtilitiesUtilities Hanau Netz GmbH provides electricity distribution services. The private company is based in Hanau, Germany. The German company was founded in 2012. The CEO is Adrian Szabo. | Electric Utilities | Director/Board Member Director/Board Member Director/Board Member Director/Board Member Director/Board Member Director/Board Member | |
Gasversorgung Main-Kinzig GmbH
 Gasversorgung Main-Kinzig GmbH Gas DistributorsUtilities Founded in 1975, Gasversorgung Main-Kinzig GmbH is a subsidiary of Kreiswerke Main-Kinzig GmbH. The private company is based in Gelnhausen, Germany and engages in transmitting and distributing natural gas. | Gas Distributors | Director/Board Member Director/Board Member Director/Board Member Director/Board Member Director/Board Member Director/Board Member | |
Energieversorgung Main-Spessart GmbH
 Energieversorgung Main-Spessart GmbH Alternative Power GenerationUtilities Energieversorgung Main-Spessart GmbH supplies electricity and natural gas. The private company is based in Aschaffenburg, Germany. The German company was founded in 1975. The CEO is Thomas Vollmuth. | Alternative Power Generation | Chairman Director/Board Member Director/Board Member Director/Board Member Director/Board Member Chairman | |
Eisenacher Versorgungs-Betriebe GmbH
 Eisenacher Versorgungs-Betriebe GmbH Electric UtilitiesUtilities Eisenacher Versorgungs-Betriebe GmbH (evb) engages in the distribution and supply of electricity, natural gas, and district heating. The company was founded in 1991 and is headquartered in Eisenach, Germany. | Electric Utilities | Director/Board Member Director/Board Member Director/Board Member Director/Board Member Director/Board Member | |
Biomasse Kraftwerk Fechenheim GmbH
 Biomasse Kraftwerk Fechenheim GmbH Alternative Power GenerationUtilities Biomasse Kraftwerk Fechenheim GmbH generates and supplies biomass electricity. The company is ultimately controlled by the City of Frankfurt am Main (Germany). The private company is based in Frankfurt am Main, Germany. The CEOs of the German company are Matthias Ertmer, Dennis Smith. | Alternative Power Generation | Director/Board Member Chairman Chairman Chairman Director/Board Member | |
Gasversorgung Offenbach GmbH
 Gasversorgung Offenbach GmbH Gas DistributorsUtilities Gasversorgung Offenbach GmbH provides reliable energy and personalized service from Offenbach, Germany for electricity, gas, heat, water, and more. The private company is based in Offenbach am Main, Germany. The German company offers energy-saving tips to help customers reduce their energy costs in the kitchen and save money on electricity and water. The company ensures that their drinking water meets all legal requirements and standards. Gasversorgung Offenbach is a subsidiary of EVO, which is ultimately controlled by the City of Mannheim. The CEOs of the company are Ulrich Bruns, Cordelia Müller. | Gas Distributors | Director/Board Member Director/Board Member Director/Board Member Director/Board Member | |
Oberhessische Gasversorgung GmbH
 Oberhessische Gasversorgung GmbH Gas DistributorsUtilities Oberhessische Gasversorgung GmbH provides various services related to gas supply, payment transactions, invoice explanation, and energy efficiency offers. The private 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. | Gas Distributors | Director/Board Member Director/Board Member Director/Board Member Chairman | |
Ohra Energie GmbH
 Ohra Energie GmbH Gas DistributorsUtilities Part of EnBW Energie Baden Württemberg AG, Ohra Energie GmbH is a company based in Frottstadt, Germany. Ohra Energie supplies natural gas, electricity, and heat directly to customers' homes. The German company also offers modern energy solutions such as solar power and air conditioning, as well as expanding the charging infrastructure for electric cars. With a focus on sustainability and investing in the future, Ohra Energie is committed to making the region more livable. Ohra Energie GmbH was founded in 1991, and Michael Fischer has been the CEO since 2014. Ohra Energie was acquired by Erdgas Westthüringen Beteiligungsgesellschaft mbH, part of EnBW Energie Baden Württemberg AG, on March 01, 1993. | Gas Distributors | Director/Board Member Director/Board Member Director/Board Member Director/Board Member | |
Südwestdeutsche Rohrleitungsbau GmbH
 Südwestdeutsche Rohrleitungsbau GmbH Engineering & ConstructionIndustrial Services Part of ACS Actividades de Construcción y Servicios SA, Südwestdeutsche Rohrleitungsbau GmbH is a private company based in Frankfurt am Main, Germany. Südwestdeutsche Rohrleitungsbau GmbH specializes in the construction and renewal of water pipelines and connections, ensuring the quality and safety of drinking water. The German company is a reliable partner for infrastructure services related to pipeline construction, both locally and nationwide. The company was founded in 1965, and the CEO is Dirk Heesen. | Engineering & Construction | Director/Board Member Director/Board Member Director/Board Member Director/Board Member | |
Hessenwasser Verwaltungs-GmbH
 Hessenwasser Verwaltungs-GmbH Financial ConglomeratesFinance Hessenwasser Verwaltungs-GmbH engages in the acquisition and management of participations in firms. The company was founded on May 31, 2006 and is headquartered in Gross-Gerau, Germany. | Financial Conglomerates | Director/Board Member Chairman Director/Board Member Director/Board Member | |
Werraenergie GmbH
 Werraenergie GmbH Electric UtilitiesUtilities Werraenergie GmbH engages in the supply of natural gas, electricity, and heating to private households, commercial enterprises, as well as public institutions. It also operates solar power plants. In addition, the firm provides consulting services related to energy topics and gives tips on how to save gas and electricity. The company was founded on June 17, 1991 and is headquartered in Bad Salzungen, Germany. | Electric Utilities | Director/Board Member Director/Board Member Director/Board Member Director/Board Member | |
Gas-Union GmbH
 Gas-Union GmbH Gas DistributorsUtilities 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. | Gas Distributors | Director/Board Member Chairman Director/Board Member Director/Board Member | |
Thüga Holding GmbH & Co. KGaA
 Thüga Holding GmbH & Co. KGaA Electric UtilitiesUtilities Thüga Holding GmbH & Co. KGaA is a private company based in Munich, Germany. Thüga Holding GmbH & Co. KGaA creates added value and is supported by the subsidiary companies of the Thüga Group. The German company offers a unique solution world. The company was founded in 2009 and the CEO is Michael Riechel. | Electric Utilities | Director/Board Member Director/Board Member Director/Board Member | |
AVA Abfallverbrennungsanlage Nordweststadt GmbH
 AVA Abfallverbrennungsanlage Nordweststadt GmbH Environmental ServicesIndustrial Services AVA Abfallverbrennungsanlage Nordweststadt GmbH is a waste-to-energy company based in Frankfurt am Main, DE. The company is ultimately controlled by the City of Frankfurt am Main (Germany). The German company operates one of the most modern and environmentally friendly waste incineration plants in the region. The plant uses household waste as fuel to produce energy and heat, helping to reduce the consumption of fossil fuels. AVA Abfallverbrennungsanlage Nordweststadt produces district heating and electricity from household waste, all while adhering to the highest ecological and technological standards. The CEO of the private company is Udo Findt. | Environmental Services | Chief Executive Officer Chairman Chairman | |
Mainova Beteiligungsgesellschaft mbH
 Mainova Beteiligungsgesellschaft mbH Financial ConglomeratesFinance Mainova Beteiligungsgesellschaft mbH provides investment services. The company is based in Frankfurt, Germany. The CEOs are Constantin H. Alsheimer, Diana Rauhut, Norbert Breidenbach. The German company is ultimately controlled by the City of Frankfurt. The private company was founded in 2009. | Financial Conglomerates | Chief Executive Officer Chief Executive Officer Chief Executive Officer | |
Stadtwerke Verkehrsgesellschaft Frankfurt am Main mbH
 Stadtwerke Verkehrsgesellschaft Frankfurt am Main mbH RailroadsTransportation Stadtwerke Verkehrsgesellschaft Frankfurt am Main mbH, also known as VGF, is the transportation company and service provider for the city of Frankfurt. Stadtwerke Verkehrsgesellschaft Frankfurt am Main mbH is based in Frankfurt, Germany. The German company operates nine subway lines and ten tram lines, with approximately 400 rail vehicles ensuring comprehensive transportation. The CEOs of the private company are Michael Rüffer, Thomas Raasch, Thomas Wissgott. The company is ultimately controlled by the City of Frankfurt. | Railroads | Director/Board Member Director/Board Member Director/Board Member | |
Erdgas Westthüringen Beteiligungsgesellschaft mbH
 Erdgas Westthüringen Beteiligungsgesellschaft mbH Gas DistributorsUtilities Part of EnBW Energie Baden Württemberg AG, Erdgas Westthüringen Beteiligungsgesellschaft mbH is a natural gas transmission and German distribution company. The company is based in Bad Salzungen, Germany. The private company was founded in 1991. Thomas Kögler has been the CEO of the company since 2018. Erdgas Westthüringen Beteiligungsgesellschaft mbH was acquired by Mainova AG on December 11, 2014. | Gas Distributors | Director/Board Member Chairman Director/Board Member | |
8KU Renewables GmbH
 8KU Renewables GmbH Electric UtilitiesUtilities 8KU Renewables GmbH is a unique nationwide cooperation between eight major municipal energy supply companies from different cities in Germany. The private company is based in Berlin, Germany. The German company's focus is on climate-friendly power and heat generation for the municipalities and the region. The company provides services of general interest that combine climate protection with regional added value. Since 2007, they have been providing impetus for climate protection and efficiency, innovations, and fair market design. | Electric Utilities | Corporate Officer/Principal Director/Board Member Director/Board Member | |
NRM Netzdienste Rhein-Main GmbH
 NRM Netzdienste Rhein-Main GmbH Electric UtilitiesUtilities NRM Netzdienste Rhein-Main GmbH provides access to electricity and natural gas distribution networks, as well as metering services. The company is ultimately controlled by the City of Frankfurt am Main (Germany). The private company is based in Frankfurt, Germany. The CEOs of the German company are Mirko Maier, Torsten Jedzini. | Electric Utilities | Director/Board Member Chairman | |
SRM StraßenBeleuchtung Rhein-Main GmbH
 SRM StraßenBeleuchtung Rhein-Main GmbH Engineering & ConstructionIndustrial Services SRM StraßenBeleuchtung Rhein-Main GmbH is a private company based in Frankfurt am Main, Germany. SRM StraßenBeleuchtung Rhein-Main GmbH specializes in innovative lighting and lighting systems. The German company provides lighting solutions for public street lighting in Lampertheim and Bürstadt, and offers network information for these systems. The company was founded in 2007 and is led by CEO Thomas Erfert. | Engineering & Construction | Director/Board Member Chairman | |
Mainova EnergieDienste GmbH
 Mainova EnergieDienste GmbH Miscellaneous Commercial ServicesCommercial Services Mainova EnergieDienste GmbH provides energy services, including technical facility management and consultancy services in the energy sector. The private company is based in Frankfurt, Germany. The German company is ultimately controlled by the City of Frankfurt. | Miscellaneous Commercial Services | Director/Board Member Chairman | |
| MVZ am Klinikum Frankfurt Höchst GmbH | Chairman Chairman | ||
Gemeinschaftskraftwerk Bremen GmbH & Co. KG
 Gemeinschaftskraftwerk Bremen GmbH & Co. KG Electric UtilitiesUtilities Gemeinschaftskraftwerk Bremen GmbH & Co. KG, also known as gkb, is an environmentally friendly and economically efficient company based in Bremen, Germany. The German company's main focus is on energy production, and they have a project underway to build a new power plant. The CEO of the private company is Ralph Kraemer. | Electric Utilities | Director/Board Member Director/Board Member | |
| City of Frankfurt am Main (Germany) | Municipality | Treasurer Corporate Officer/Principal | |
HEAG mobilo GmbH
 HEAG mobilo GmbH Other TransportationTransportation HEAG mobilo GmbH is a local transport company that provides services for the city of Darmstadt and the south Hesse region. The private company is based in Darmstadt, Germany. The German company offers various ticket options, including corporate and combination tickets, and has a fleet of buses and trains. The company also provides training for professional drivers and elementary school students on safe transportation. HEAG mobilo is a subsidiary of the HEAG group and ultimately controlled by the City of Darmstadt. The company was founded in 1886. Matthias Kalbfuss has been the CEO of the company since 2005. | Other Transportation | Director/Board Member Director/Board Member | |
Klinikum Frankfurt Höchst GmbH
 Klinikum Frankfurt Höchst GmbH Hospital/Nursing ManagementHealth Services Klinikum Frankfurt Höchst GmbH owns and operates hospitals. The company is headquartered in Frankfurt am Main, Germany. | Hospital/Nursing Management | Chairman Chairman | |
| Johann Wolfgang Goethe-Universität Frankfurt am Main | College/University | Undergraduate Degree Undergraduate Degree | |
HP Hospital-Pflege GmbH
 HP Hospital-Pflege GmbH Hospital/Nursing ManagementHealth Services HP Hospital-Pflege GmbH operates hospitals. The private company is based in Frankfurt am Main, Germany. The German company was founded in 2004. Ralph Freiherr von Follenius has been the CEO of the company since 2021. | Hospital/Nursing Management | Chairman Chairman | |
Hospital zum Heiligen Geist GmbH & Co. KG
 Hospital zum Heiligen Geist GmbH & Co. KG Hospital/Nursing ManagementHealth Services Hospital zum heiligen Geist GmbH operates hospital. It specializes in areas of gastroenterology with visceral medicine, orthopedic, accident and spine surgery. The company is headquartered in Kempen, Germany. | Hospital/Nursing Management | Chairman Chairman | |
| Regionalpark Ballungsraum Rheinmain Gemeinnützige GmbH | Director/Board Member Director/Board Member | ||
Regionalpark Rhein-Main Süd-West GmbH
 Regionalpark Rhein-Main Süd-West GmbH Other Consumer ServicesConsumer Services Regionalpark Rhein-Main Süd-West GmbH is a private company based in Kelsterbach, Germany. The German company operates botanical and zoological gardens & nature parks. | Other Consumer Services | Chairman Chairman | |
| Regionalpark Rhein-Main Taunushang GmbH | Director/Board Member Director/Board Member | ||
| Betriebskommission der Stadtentwässerung Frankfurt am Main | Director/Board Member Director/Board Member | ||
RMA Rhein-Main Abfall GmbH
 RMA Rhein-Main Abfall GmbH Environmental ServicesIndustrial Services RMA Rhein-Main Abfall GmbH is a waste management company based in Offenbach, Germany. The German company specializes in the economic and safe disposal of regional waste in various areas. The CEO of the private company is Constanze Celten. | Environmental Services | Director/Board Member Director/Board Member | |
Zentrale Errichtungsgesellschaft mbH
 Zentrale Errichtungsgesellschaft mbH Engineering & ConstructionIndustrial Services Zentrale Errichtungsgesellschaft mbH provides building construction services. The private company is based in Frankfurt, Germany. The German company was founded in 2009. The CEO is Dorothea Dreizehnter. | Engineering & Construction | Chairman Chairman | |
| Betriebskommission der Hafenbetriebe der Stadt Frankfurt | Director/Board Member Director/Board Member | ||
| Betriebskommission der Marktbetriebe der Stadt Frankfurt | Director/Board Member Director/Board Member | ||
GHG GmbH
 GHG GmbH Engineering & ConstructionIndustrial Services Part of Kämpf + Co. Innovative Haustechnik GmbH, GHG GmbH provides services for heating, air conditioning, and more in Frankfurt, DE. Innovative Haustechnik GmbH from Mainova AG on March 03, 2010. The CEOs are Maximilian Becker, Nicholas Hahn, Andreas Hahn. The German company was founded in 1962. GHG was acquired by Kämpf + Co. | Engineering & Construction | Director/Board Member Chairman | |
| FÄZ Fachärztezentrum Frankfurt GmbH | Chairman Chairman | ||
| Betriebskommission der Kita Frankfurt | Director/Board Member Director/Board Member | ||
| Betriebskommission der Städtische Kliniken Frankfurt am Main | Chairman Chairman | ||
DRK-Blutspendedienst Baden-Württemberg - Hessen GmbH
 DRK-Blutspendedienst Baden-Württemberg - Hessen GmbH Medical/Nursing ServicesHealth Services DRK-Blutspendedienst Baden-Württemberg - Hessen GmbH is a private company based in Frankfurt, Germany. The German company's description states that it is a nationwide distributor. | Medical/Nursing Services | Director/Board Member Director/Board Member | |
| Gemeinnützige Umwelthaus GmbH | Director/Board Member Director/Board Member | ||
| ABO WIND AG | Engineering & Construction | Director/Board Member Director/Board Member | |
| HSE NATURpur Energie AG | Director/Board Member | ||
| RALOS NEW ENERGIES AG | Engineering & Construction | Director/Board Member | |
Kliniken Frankfurt-Main-Taunus GmbH
 Kliniken Frankfurt-Main-Taunus GmbH Hospital/Nursing ManagementHealth Services Kliniken Frankfurt-Main-Taunus GmbH is a healthcare partner in the region that provides a range of services from pregnancy care to palliative care at the end of life. The private company is based in Frankfurt, Germany. The CEOs of the German company are Martin Menger, Stefan Schad. | Hospital/Nursing Management | Director/Board Member |
Statistics
International
| Germany | 51 |
Sectoral
| Utilities | 19 |
| Industrial Services | 9 |
| Health Services | 6 |
| Finance | 3 |
| Transportation | 3 |
Operational
| Director/Board Member | 185 |
| Chairman | 49 |
| Chief Executive Officer | 29 |
| Corporate Officer/Principal | 27 |
| Director of Finance/CFO | 8 |
Most connected contacts
| Insiders | |
|---|---|
| Constantin H. Alsheimer | 34 |
| Rosemarie Heilig | 31 |
| Norbert Breidenbach | 26 |
| Manuela Rottmann | 23 |
| Peter Birkner | 16 |
| Peter Hans Arnold | 16 |
| Joachim Zientek | 15 |
| Diana Rauhut | 13 |
| Martin Giehl | 12 |
| Christian Brenneke | 6 |
| Lothar Petry | 6 |
| Cornelia Kröll | 5 |
| Jochen Partsch | 4 |
| Andreas Niedermaier | 4 |
| Sven Schulz | 4 |
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