Martin Koehler

SOLARWATT GmbH specializes in the production of monocrystalline and polycrystalline solar modules. Its product range encompasses building integration and off-grid system modules, power packages, and ancillary components such as inverters, mountings, fasteners, plug connectors, and cables. The company also engage in the construction and operation of solar power plants. SOLARWATT was founded by Lothar Schlegel and Frank Schneider on February 17, 1993 and is headquartered in Dresden, Germany.

maxingvest AG is a holding company, which engages in the management of the consumer goods and retail industries portfolio. It also provides finance, legal, internal audit, and tax services to the group firms. The company was founded on January 26, 1977 and is headquartered in Hamburg, Germany.

Logwin Air & Ocean Deutschland GmbH provides logistic services. It also offers arrangement of transportation of Freight and cargo services. The company was founded in 2001 and is located in Nürnberg, Germany

AVISTA OIL AG engages in the production, marketing, and distribution of base oils, lubricants, and refinery products. It offers products under AVISTA Kernsolvat, Motor Gold, Pennasol, AVISTA Flux, and AVISTA Fuel brands. The company was founded in 1951 and is headquartered in Uetze, Germany.

SKion GmbH operates as an investment holding company, which engages in the management of shares and stakes in different businesses. It focuses in industrial goods and services, electrical engineering, optics, renewable energy and closed-loop material cycles, IT and digitization; and medical technology sectors. The company was founded in 2006 and is headquartered in Bad Homburg vor der Hohe, Germany.

Gemplus International SA provides digital security systems and components based on smart cards. It manufactures smart cards, develops operating systems, software and hardware for them and provides a number of other associated services. Its products are used as SIM card in mobile telephones, banking cards, loyalty program cards, travel tickets, passports and ID cards. The company was founded in 1988 and is headquartered in Luxembourg.

Harald Quandt Family Office GmbH engages in the provision of financial services. It specializes in investment and asset management services. The company is headquartered in Bad Homburg vor der Höhe, Germany.

FRAHAN Verwaltungsgesellschaft mbH is an investment services provider. The private company is based in Bad Wiessee, Germany. The German company was founded in 2002. The CEO is Franz Markus Haniel.

TBG AG engages in the acquisition, disposal, holding, and management of participating interests in industrial firms. It also provides management and financing services. The company was founded on September 16, 2014 and is headquartered in Zurich, Switzerland.

SKIDATA AG provides hardware and software for access solutions and visitor management. It offers products for mountain destinations, vehicle access management, and event facilities such as stadiums, amusement parks, spas, festivals, and trade fairs. The company was founded by Günther Walcher in 1977 and is headquartered in Groedig, Austria.

Giesecke+Devrient GmbH engages in the development, manufacture, and distribution of products and solutions for the safeguarding of payment processes, identities, connectivity, and data. It distributes its products under the G+D, G+D Bildmarke, G+D Bildmarke, and Giesecke+Devrient brands. The company was founded by Hermann Giesecke and Alphonse Devrient on June 1, 1852 and is headquartered in Munich, Germany.

Bristol West Holdings, Inc. engages in the provision of automobile insurance. It offers liability, comprehensive, and collision insurance. The company was founded in 1973 and is headquartered in Davie, FL.

Seedamm-Vermögensverwaltungs GmbH engages in asset management. It also provides management services to other firms. The company was founded on November 8, 1985 and is headquartered in Bad Homburg von der Hoehe, Germany.

American Academy in Berlin GmbH operates as an independent and privately funded non-profit center for advance study in the humanities, public policy, social sciences, and arts. Its aim is to maintain the long-term intellectual, cultural and political ties between the United States and Germany. It offers residential fellowships at its Hans Arnhold Center to American scholars, writers, journalists, policy experts, and artists. It also brings leading Americans to Berlin for visits to facilitate an exchange of views between the people of Germany and the United States. The company was founded by Richard C. Holbrooke in 1994 and is headquartered in Berlin, Germany.

Heraeus Holding GmbH operates as a technology company. It focuses on the environmental, energy, electronics, health, mobility and industrial applications sectors. The company was founded by Willhelm Carl Heraeus in 1851 and is headquartered in Hanau, Germany.

Part of Robert Bosch Stiftung GmbH, Bosch Diesel sro is a Czech company that manufactures motor vehicles and trailers. The company is based in Prague, Czechia.

Part of Logwin Holding Austria GmbH, Logwin Invest Austria AG provides investment services. The company is based in Bergheim, Austria.

Part of Logwin AG, Logwin Holding Aschaffenburg GmbH is a German company that provides logistical and supply chain services. The company is based in Grossostheim, Germany. The CEOs of the company are Axel Steiner, Sebastian Esser.

Drees & Sommer SE provides construction consultancy services. The firm offers asset and portfolio analysis, infrastructure planning and consulting, lean construction management, project management, workplace consulting, real estate investment consulting, and general consulting management. The company was founded by Gerhard Drees and Hans Sommer in 1970 is headquartered in Stuttgart, Germany.

Kreisbaugenossenschaft Bodenseekreis eG is a regional housing association based in Friedrichshafen on Lake Constance. The German company provides inexpensive living for their members and offer rental apartments for families, singles, and seniors. The private company focuses on increasing the quality of life for their tenants and ensuring that each project is affordable. The company offers a variety of rental options and frequently update their website with available apartments. The company prioritizes comfortable and stress-free living for their tenants. The company was founded in 1949 and the CEO is Wolfgang Sigg.

Technische Werke Friedrichshafen GmbH operates parking garages. The private company is based in Friedrichshafen, Germany. and has subsidiaries in Germany. The CEO of the German company is Alexander-Florian Bürkle.

Stadtwerk am See GmbH & Co. KG engages in the distribution of energy such as electricity, natural gas, heating, and drinking water. It also invests in decentralized and ecological energy production. The company is headquartered in Ueberlingen, Germany.

Part of Else Kröner-Fresenius-Stiftung, Fresenius Management SE is a German company that provides investment management services. The company is based in Bad Homburg vor der Hoehe, Germany. The company was founded in 2010. Michael Sen has been the CEO of the company since 2021.

Part of Robert Bosch Stiftung GmbH, Robert Bosch Automotive Steering GmbH is a German company that provides steering system technology for cars and vehicles. The company is based in Schwäbisch Gmünd, Germany. The CEOs are Gerta Marliani and Götz Nigge. The company was founded in 1998.

Robert Bosch GmbH engages in the development of the engineering and electronics sector. Its business sectors include; mobility solutions, industrial technology, consumer goods, and energy and building technology. The company was founded by Robert Bosch in 1886 and is headquartered in Gerlingen-Schillerhöhe, Germany.

Bosch Sicherheitssysteme GmbH engages in the manufacture, sale, distribution, and installation of security and safety systems for buildings. It focuses on building security, energy efficiency, and building automation. The company was founded on August 1, 2002 and is headquartered in Grasbrunn, Germany.

Messe Friedrichshafen GmbH provides event management services and is ultimately controlled by the Stadt Friedrichshafen. The company is based in Friedrichshafen, Germany. The German company was founded in 1950. Klaus Wellmann has been the CEO of the company since 2006.