Berthold Leinweber
Director/Board Member at Stadtwerke Hanau GmbH
Network origin in Berthold Leinweber first degree
| Entity | Entity type | Industry | |
|---|---|---|---|
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.
24
| Subsidiary | Electric Utilities | 24 |
Beteiligungsholding Hanau GmbH
 Beteiligungsholding Hanau GmbH Financial ConglomeratesFinance Beteiligungsholding Hanau GmbH is a company based in Hanau, Germany that supports the provision of general interest by urban societies such as the clinic, the Hanau tram (HSB), construction companies, and many more. The German company has investments in around 8 companies and have approximately locations. The company offers exciting tasks and combines innovation with tradition. It is ultimately controlled by the City of Hanau. The company was founded in 2003, and the CEO is Markus Menzen.
21
| Subsidiary | Financial Conglomerates | 21 |
Nova SERVE Gesellschaft für Dienstleistungen im
 Nova SERVE Gesellschaft für Dienstleistungen im Other Consumer ServicesConsumer Services Nova SERVE Gesellschaft für Dienstleistungen im is a private company based in Hanau, Germany. Nova SERVE provides non-electric medical equipment repair services. The German company was founded in 2001 and the CEO is Thorsten Wies.
9
| Private Company | Other Consumer Services | 9 |
Medizinisches Versorgungszentrum Hanau GmbH
 Medizinisches Versorgungszentrum Hanau GmbH Medical/Nursing ServicesHealth Services Medizinisches Versorgungszentrum Hanau GmbH operates a treatment center for cardiology, neurology, and psychiatry. The company is based in Hanau, Germany. The German company is a subsidiary ultimately controlled by the City of Hanau. The CEO of the company is Thorsten Wies.
4
| Subsidiary | Medical/Nursing Services | 4 |
Chart of Companies connected to the second degree
Multi-company connection
Companies connected to Berthold Leinweber via their personal network
| Company | Sector | Related people | Main position |
|---|---|---|---|
Klinikum Hanau GmbH
 Klinikum Hanau GmbH Medical/Nursing ServicesHealth Services Klinikum Hanau GmbH provides healthcare service. The company is headquartered in Hanau, Germany. | Medical/Nursing Services | Chairman Director/Board Member Director/Board Member Director/Board Member Director/Board Member Director/Board Member Director/Board Member Director/Board Member | |
| MAINOVA AG | Electric Utilities | Corporate Officer/Principal Chief Executive Officer Corporate Officer/Principal Chief Investment Officer Corporate Officer/Principal Corporate Officer/Principal | |
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 | |
Hanau Energiedienstleistungen und Managementgesellschaft mbH
 Hanau Energiedienstleistungen und Managementgesellschaft mbH Electric UtilitiesUtilities Hanau Energiedienstleistungen und Managementgesellschaft mbH engages in heating and cooling supply. The company is a subsidiary of the City of Hanau and ultimately controlled by the City of Hanau. The company is based in Hanau, Germany. The German company was founded in 2008. The CEO is Hiltrud Herbst. | Electric Utilities | Director/Board Member Director/Board Member Chairman Director/Board Member Director/Board Member | |
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 Director/Board Member | |
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 | |
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 Director/Board Member | |
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 company is Steffen Arta. | Electric Utilities | 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 Chairman | |
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 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 | |
Gasversorgung Offenbach GmbH
 Gasversorgung Offenbach GmbH Gas DistributorsUtilities 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. | Gas Distributors | 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 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 Director/Board Member | |
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 company was founded in 2009. | Financial Conglomerates | Chief Executive Officer Chief Executive Officer Chief Executive Officer | |
Erdgas Westthüringen Beteiligungsgesellschaft mbH
 Erdgas Westthüringen Beteiligungsgesellschaft mbH Gas DistributorsUtilities Part of EnBW Energie Baden Württemberg AG, Erdgas Westthüringen Beteiligungsgesellschaft mbH is a German company that specializes in natural gas transmission and distribution. The company is based in Bad Salzungen, Germany. The company was founded in 1991. Thomas Kögler has been the CEO of the company since 2018. Erdgas Westthüringen Beteiligungsgesellschaft mbH was acquired by Gas-Union GmbH, part of EnBW Energie Baden Württemberg AG from September 30, 2020. | Gas Distributors | Director/Board Member Chairman 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 | |
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 | |
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 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 Chairman | |
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 | |
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 | |
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 | |
| ABO WIND AG | Engineering & Construction | 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 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 | |
Hanau Hafen GmbH
 Hanau Hafen GmbH Other TransportationTransportation Hanau Hafen GmbH engages in port operations and is ultimately controlled by the City of Hanau. The company is based in Hanau, Germany. The German company was founded in 2012. The CEO is Ewald Desch. | Other Transportation | Chairman Chief Executive Officer | |
Stadtsparkasse Schwerte
 Stadtsparkasse Schwerte Savings BanksFinance Stadtsparkasse Schwerte operates a savings bank. The private company is based in Schwerte, Germany. The CEO of the German company is Ulrich Bartscher. | Savings Banks | Director/Board Member | |
| City of Frankfurt am Main (Germany) | Municipality | Treasurer | |
Thüga AG
 Thüga AG Electric UtilitiesUtilities Thüga AG operates as a holding company with interests in the energy and water sectors. It provides consulting services with its technical know-how and market assessments to partner companies, as well as ensures the financial support of municipal enterprises. The company was founded by Theodor Weigel in November 1867 and is headquartered in Munich, Germany. | Electric Utilities | Chief Executive Officer | |
Netzeigentumsgesellschaft Mörfelden-Walldorf GmbH & Co. KG
 Netzeigentumsgesellschaft Mörfelden-Walldorf GmbH & Co. KG Investment ManagersFinance Netzeigentumsgesellschaft Mörfelden-Walldorf GmbH & Co. KG is a German company that engages in the management of assets. The private company is based in Morfelden-Walldorf, Germany. The CEO of the company is Reinhard Kalisch. | Investment Managers | Director/Board Member | |
SV SparkassenVersicherung Holding AG
 SV SparkassenVersicherung Holding AG Multi-Line InsuranceFinance SV SparkassenVersicherung Holding AG provides insurance services to private and corporate clients. Its products and services include retirement provisions, as well as insurance products for home and construction all risk, motor vehicle and motorcycle, liability, occupational disability, and travel. The company was founded by Carl Friedrich von Baden in 1758 and is headquartered in Stuttgart, Germany. | Multi-Line Insurance | Director/Board Member | |
GVV-Kommunalversicherung VVaG
 GVV-Kommunalversicherung VVaG Multi-Line InsuranceFinance Part of GVV Versicherungen VVaG, GVV-Kommunalversicherung VVaG is a direct insurance company based in Cologne, Germany. The German company offers a 24-hour damage hotline and breakdown assistance through their GVV Direct Damage Service. Customers can easily and quickly purchase insurance online through GVV Direct, ensuring they are well protected and well insured. The CEO of the company is Wolfgang Schwade. | Multi-Line Insurance | Director/Board Member | |
GVV-Privatversicherung AG
 GVV-Privatversicherung AG Property/Casualty InsuranceFinance Part of GVV Versicherungen VVaG, GVV-Privatversicherung AG is an insurance company based in Cologne, Germany. GVV-Privatversicherung offers a range of insurance products, including auto insurance, motorcycle insurance, liability insurance, legal protection insurance, and accident insurance. The German company also provides insurance protection for refugees, expanding existing insurance cover for private liability insurance, vehicle insurance, and household insurance. GVV-Privatversicherung prides itself on its excellent customer service and offers a digital damage report service for quick and easy claims. The company was founded in 1989 and is led by CEO Wolfgang Schwade. | Property/Casualty Insurance | Director/Board Member | |
Sparkassen- und Giroverband Hessen-Thüringen
 Sparkassen- und Giroverband Hessen-Thüringen Savings BanksFinance Sparkassen- und Giroverband Hessen-Thüringen operates as the umbrella organization of savings banks in Hessen and Thüringen. It represents the interests of the savings banks and their municipal partners. The firm also provides consulting services in the areas of strategic and business policy matters. In addition, it operates savings bank academies, which offer courses and seminars for the vocational training of its employees. The company was founded in July 1992 and is headquartered in Frankfurt, Germany. | Savings Banks | Corporate Officer/Principal | |
das Stadtwerke Regensburg GmbH
 das Stadtwerke Regensburg GmbH Electric UtilitiesUtilities Das Stadtwerke Regensburg GmbH generates and distributes electrical energy, natural gas, and water. The company is ultimately controlled by the City of Regensburg (Germany). The company is based in Regensburg, Germany. The CEO of the German company is Manfred Koller. | Electric Utilities | Director/Board Member | |
Hanau Bäder GmbH
 Hanau Bäder GmbH Movies/EntertainmentConsumer Services Hanau Bäder GmbH operates a swimming club. The private company is based in Hanau, Germany. The CEO of the German company is Uwe Weier. | Movies/Entertainment | Chairman | |
Martin Luther Altenhilfe gGmbH
 Martin Luther Altenhilfe gGmbH Medical/Nursing ServicesHealth Services Part of Vereinte Martin Luhter + Althanauer Hospital Stiftung, Martin Luther Altenhilfe gGmbH provides elderly people care and support services. The company is based in Hanau, Germany. The German company was founded in 2014. The CEO is Thorsten Hitzel. | Medical/Nursing Services | Director/Board Member | |
| KWS Energy Knowledge eG | Director/Board Member | ||
| DMS Deutsche Städte-Medien GmbH | Chairman | ||
Gemeinschaftsheizkraftwerk Fortuna GmbH
 Gemeinschaftsheizkraftwerk Fortuna GmbH Electric UtilitiesUtilities Part of EnBW Energie Baden Württemberg AG, Gemeinschaftsheizkraftwerk Fortuna GmbH provides power generation services. The company is based in Dusseldorf, Germany. The CEOs are Jörn Grothe, Martin Giehl. The German company was founded in 2013. | Electric Utilities | Chief Executive Officer | |
BITMARCK Holding GmbH
 BITMARCK Holding GmbH Packaged SoftwareTechnology Services BITMARCK Holding GmbH is a Managed Service Provider that drives digitalization in the statutory and customer sectors with innovative solutions and services. The company is based in Essen, Germany and has subsidiaries in Germany. The CEOs of the German company are Andreas Strausfeld, Markus Menzen. | Packaged Software | Chief Executive Officer | |
Bayerngas GmbH
 Bayerngas GmbH Oil & Gas ProductionEnergy Minerals Bayerngas GmbH procures and distributes gas. The company was founded in 1962 and is headquartered in München, Germany. | Oil & Gas Production | Director/Board Member | |
Bundesverband der Deutschen Energie und Wasserwirtschaft eV
 Bundesverband der Deutschen Energie und Wasserwirtschaft eV Gas DistributorsUtilities Bundesverband der Deutschen Energie und Wasserwirtschaft eV supplies and generates gas, electricity and bio power. The private company is based in Berlin, Germany. | Gas Distributors | Corporate Officer/Principal | |
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 company is Udo Findt. | Environmental Services | Chief Executive Officer | |
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 | |
Stadtwerke Langen Gesellschaft Mit Beschränkter Haftung
 Stadtwerke Langen Gesellschaft Mit Beschränkter Haftung Electric UtilitiesUtilities Stadtwerke Langen Gesellschaft Mit Beschränkter Haftung is a regional energy provider based in Langen, DE. Stadtwerke Langen provides a comprehensive range of energy services including electricity, natural gas, heat, and drinking water to the Langen and Egelsbach regions. The German company is ultimately controlled by the City of Mannheim. The company was founded in 1908 and is currently led by CEO Manfred Pusdrowski. | Electric Utilities | Chief Executive Officer | |
Kraftwerk Laufenburg AG
 Kraftwerk Laufenburg AG Alternative Power GenerationUtilities Part of EnBW Energie Baden Württemberg AG, Kraftwerk Laufenburg AG distributes power. The company is based in Laufenburg, Germany. | Alternative Power Generation | Sales & Marketing | |
| Bergische Universität Wuppertal | College/University | Undergraduate Degree | |
| Verbands Der Bayerischen Energie Und Wasserwirtschaft | Chairman | ||
Zukunft Gas GmbH
 Zukunft Gas GmbH Specialty StoresRetail Trade Zukunft ERDGAS GmbH engages in the supply and distribution of natural gas. It operates natural gas filling stations. The company was founded in 2013 and is headquartered in Berlin, Germany. | Specialty Stores | Director/Board Member | |
Ströer Deutsche Städte Medien GmbH
 Ströer Deutsche Städte Medien GmbH Advertising/Marketing ServicesCommercial Services Ströer Deutsche Städte Medien GmbH provides outdoor advertising services. The company was founded in 1922 and is headquartered in Frankfurt am Main, Germany. | Advertising/Marketing Services | Chairman | |
Main-Kinzig-Kliniken GmbH
 Main-Kinzig-Kliniken GmbH Hospital/Nursing ManagementHealth Services Part of Kreisausschuss Des Main-kinzig Kreises, Main-Kinzig-Kliniken GmbH owns and operates a hospital. The company is based in Gelnhausen, Germany. The CEO of the German company is Dieter Bartsch. | Hospital/Nursing Management | Chairman |
Statistics
International
| Germany | 51 |
Sectoral
| Utilities | 24 |
| Finance | 9 |
| Industrial Services | 5 |
| Health Services | 4 |
| Consumer Services | 3 |
Operational
| Director/Board Member | 136 |
| Chairman | 22 |
| Chief Executive Officer | 17 |
| Corporate Officer/Principal | 10 |
| Sales & Marketing | 2 |
Most connected contacts
| Insiders | |
|---|---|
| Constantin H. Alsheimer | 34 |
| Norbert Breidenbach | 26 |
| Peter Hans Arnold | 16 |
| Diana Rauhut | 13 |
| Martin Giehl | 12 |
| Claus Kaminsky | 12 |
| Oliver Rehbein | 5 |
| Axel Weiss-Thiel | 5 |
| Alexander Mench | 4 |
| Amin Jebabli | 3 |
| Thomas Straub | 3 |
| Thomas Morlock | 3 |
| Markus Menzen | 3 |
| Katrin Lotz | 2 |
| Wulf Hilbig | 2 |
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