Johann Ringhofer

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.

MANN+HUMMEL GmbH engages in the manufacture and development of air filtration systems. It specializes in air cleaners and intake systems, liquid filter systems, solutions for alternative drives, industrial filters, indoor air quality, fine dust eater, digital transformation, water treatment, waste water treatment, and membrane filtration for food and dairy products. The company was founded by Adolf Mann and Erich Hummel in 1938 and is headquartered in Ludwigsburg, Germany.

Part of Linde Plc, Linde Gas Singapore Pte Ltd. is a company that manufactures and wholesales industrial gases and provides engineering services. The company is based in Singapore, Singapore.

Messer Industrie GmbH operates as a holding company with interest in industrial gases, as well as cutting and welding technology. The company was founded on April 2, 1949 and is headquartered in Bad Soden, Germany.

Siemens Vermoegensverwaltung GmbH VSV provides asset management services. The company is based in Munich, Germany. Nathalie von Siemens has been the CEO of the German company since 2015.

Zekstra operates department stores. The private company is based in Belgrade, Serbia and has subsidiaries in Serbia.

Plin Sarajevo dd operates as a producer and distributor of industrial gases. The company is headquartered in Sarajevo, Bosnia and Herzegovina.

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.

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.

eCAPITAL entrepreneurial Partners AG (eCAPITAL) is a venture capital firm founded in 1999. The firm is headquartered in Münster, Germany.

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.

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.

Part of Messer SE & Co. KGaA (Germany), Messer Austria GmbH is the world's largest privately held supplier of industrial and medical gas. The company is based in Gumpoldskirchen, Austria. The Austrian company delivers the latest technologies with speed, agility, and an entrepreneurial spirit. Messer Austria has been a specialist in industrial gases for over 100 years, providing efficient and high-quality service, as well as gas and hardware know-how.

Zeppelin-Stiftung supports social and cultural engagements in Friedrichshafen. The firm focuses on child and youth support services, as well as welfare services for the elderly. It also engages in the promotion of public health, social welfare, art and culture, sports, science and research, as well as education and training. The company was founded by Ferdinand von Zeppelin in 1908 and is headquartered in Friedrichshafen, Germany.

Deloitte Serbia provides audit, enterprise risk management and financial advisory services. The firm is a leading professional services firm, offers clients a broad range of fully integrated services. The company's global, integrated approach combines insight and innovation from multiple disciplines with business and industry knowledge to help their clients to excel. In Serbia, Montenegro and Republic of Srpska, the services are provided by Deloitte d.o.o. Beograd, Deloitte Vojvodina d.o.o. Novi Sad, Deloitte d.o.o. Podgorica and Deloitte d.o.o. Banja Luka (jointly referred to as “Deloitte SRB, MNE and RS”) which are affiliates of Deloitte Central Europe Holdings Limited. Deloitte SRB, MNE and RS is one of the leading professional services organizations in the country providing services in four professional areas – audit, tax, consulting, risk services, and financial advisory services - through over 150 national and specialized expatriate professionals.

Addiko Bank ad Beograd provides commercial banking services. The company offers loans to individuals, agricultural, entrepreneurs and small businesses, medium and large enterprises and public sector. The company was founded in 2002 and is headquartered in Beograd, Serbia.

Jedinstvo-Metalogradnja AD Sevojno engages in the metal constructions and infrastructure business. Its constructions includes production halls, warehouses, refrigerators, tennis courts, residential, business, and trade facilities, roof coverings, facades, and ceilings. The company was founded in 1947 and is headquartered in Uzice, Serbia.

Lonrho Holdings Ltd. functions as an investment holding British company. The private company is based in London, UK. and has a global presence of subsidiaries in several regions.

Part of Linde Plc, Linde Malaysia Holdings Sdn. The company is based in Petaling Jaya, Malaysia. Bhd. is a Malaysian company that manufactures and supplies industrial gases. Siew Yap Wong has been the CEO of the company since 1982.

Siemens Healthcare GmbH provides healthcare services. Its products and services include medical imaging, ultrasound, laboratory diagnostics, point-of-care testing, healthcare, clinical specialties & diseases. It operates through following business segments: Imaging, Diagnostics and Advanced Therapies. The Imaging segment offers diagnostic imaging products and a broad portfolio of advanced imaging and ultrasound systems and solutions. The Diagnostics segment offers products, services and solutions, including a broad array of testing applications, in the areas of laboratory, point of care and molecular diagnostics. The Advanced Therapies segment is a supplier of advanced therapy products, services and solutions to the therapy departments of healthcare providers. The company was founded on May 1, 2015 and is headquartered in Erlangen, Germany.

Part of Aqton SE, AQTON Private Equity GmbH provides management services. The company is based in Bad Homburg, Germany. The CEOs are Ganapathi Subrahmanyam, Johannes Fritz. The German company was founded in 1998.

Part of Drees & Sommer SE, DREES & SOMMER Projektmanagement und bautechnische Beratung operates engineering offices for technical planning and engineering design. The company is based in Cologne, Germany. The German company was founded in 2002. The CEO is Peter Tzeschlock.

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.

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.

Dr Henning Von Siemens Beteiligungsgesellschaft mbH & Co. KG is a German investment services company. The private company is based in Affing, Germany. The company was founded in 2009. Nathalie von Siemens has been the CEO of the company since 2014.