Martin Wentzler

Part of Carl-Zeiss-Stiftung, Carl Zeiss, Inc. is a private company that manufactures optical lenses. The company is based in Maple Grove, MN.

Carl Zeiss Jena GmbH engages in the design, prototyping, batch production, and testing of optical systems, single components, and auxiliary materials. It also provides services such as calibration, sampling of injection-molded and machined parts, hardness testing, heat treatment of materials, electromagnetic compatibility testing, and environmental simulation. The company is headquartered in Jena, Germany.

Freudenberg & Co. KG provides guidelines and supports the business groups in an advisory and service provider capacity. Its services include corporate functions, corporate legal, corporate tax and customs, corporate information technology, corporate treasury and finance, corporate partner’s relations, technology innovation, corporate controlling and accounting, corporate human resources, corporate strategic planning and business development, corporate health, safety, security, environment, corporate communications, corporate insurance, corporate audit, and real estate. The company was founded by Carl Johann Freudenberg on February 9, 1849 and is headquartered in Weinheim, Germany.

SCHOTT AG engages in the production and distribution of specialty glass and glass ceramics. Its products are used in the consumer electronics, pharmaceutical, defense and security, optics, life sciences, energy and environment, automotive, and aviation industries. The company was founded by Otto Schott, Ernst Abbe, Carl Zeiss and Roderich Zeiss in 1884 and is headquartered in Mainz, Germany.

Ravensburger AG engages in the development, publishing, and production of children's games and leisure items. Its product portfolio includes wooden toys, children's books, playing cards, puzzles, and board games. The firm was founded by Otto Robert Maier in 1883 and is headquartered in Ravensburg, Germany.

TRUMPF GmbH + Co. KG engages in the manufacture of machine tools, laser technology, and electronic products. The firm offers laser cutting machines, marking systems, bending machines, automation, storage systems, and punching machines. The company was founded in 1923 and is headquartered in Ditzingen, Germany.

Carl-Zeiss-Stiftung is a company-linked foundation. The firm manages the companies Carl Zeiss AG and SCHOTT AG, which specialize in optics and optoelectronics, as well as specialty glass and glass-ceramics. It also promotes the sciences, engineering, and mathematics at universities through dividends from the Foundation firms. The company was founded by Ernst Abbe on May 19, 1889 and is headquartered in Stuttgart, Germany.

E & Z Industrie-Lösungen GmbH engages in the development, design, manufacture, sale, construction, operation, repair, financing, and maintenance of industrial facilities. It also specializes in the import and export of machines, ships, and industrial products. In addition, the firm trades in raw materials, natural products, and fuels. The company was founded on November 13, 1943 and is headquartered in Essen, Germany.

Carl Zeiss AG engages in the development and manufacture of scientific optics technologies and solutions services. Its products and solutions inlcude medical, microscopy, optemetry, industrial metrology spectroscopy, semicondictor technology, camera and film lenses, and simulation solutions planetariums. The company was founded by Carl Zeiss in 1846 and is headquartered in Oberkochen, Germany.

Part of Bayer AG, Bayer Chemicals GmbH is a German company that manufactures coating materials and chemicals. The private company is based in Leverkusen, Germany.

Carl Zeiss SMT GmbH develops and manufactures lithography optics solutions and nanotechnology systems. It offers semiconductor equipment and lithography optics for wafer steppers and scanners. The company was founded in 2006 and is headquartered in Oberkochen, Germany.

Part of Bayer AG, Bayer Innovation GmbH conducts creative pharmaceutical research. The private company is based in Dusseldorf, Germany. The CEO of the German company is Detlef Wollweber.

Lahmeyer International GmbH provides project management, engineering, and consulting services. The firm specializes in the development of transportation infrastructure, energy, hydropower, and water resources. Its services include concept design, construction supervision, assembly and commissioning, project execution, and operational consulting. The company was founded by Wilhelm Lahmeyer in 1890 and is headquartered in Bad Vilbel, Germany.

TenneT Holding BV engages in the provision of power transmission services, system services and facilitation of the energy market. It functions as grid operator under the Dutch and German energy laws, the Elektriciteitswet and the German Energiewirtschaftsgesetz. It operates through the following segments: TSO Netherlands and TSO Germany. It is also involved in certain limited non-regulated activities, which help to ensure the energy market performs properly. The company was founded in 1998 and is headquartered in Arnhem, the Netherlands.

Part of Carl-Zeiss-Stiftung, Carl Zeiss IMT Corp. is a private company that specializes in multidimensional industrial metrology. The company is based in Maple Grove, MN. The company's product portfolio is tailored to various industries.

Bayer Pharma AG engages in the development and production of prescription drugs for the treatment of cardiovascular diseases and women's illnesses, as well as special therapy in the areas of oncology, hematology, and ophthalmology. It also offers medical equipment used in diagnostic imaging with applications in the field of radiology. The company was founded on March 9, 1965 and is headquartered in Berlin, Germany.

Carl Zeiss Industrielle Messtechnik GmbH manufactures & supplies measuring equipment. The product range extends from the technology leader in portal and horizontal arm measuring instruments, and instruments for measuring the shape, contour and surfaces. Among the instruments, Carl Zeiss is setting new standards for use in production environments. With the expansion of service packages to full-service supplier of Industrial Metrology Division of the change comes from the equipment manufacturers to system providers. The division operates in the market so that the growing demands for services, thus securing the necessary growth. The company is headquartered in Oberkochen, Germany.

Part of Carl-Zeiss-Stiftung, Carl Zeiss Vision Holding GmbH is a German company that manufactures and develops ophthalmic lenses. The private company is based in Aalen, Germany and was founded in 2004.

Basf Construction Chemicals LLC manufactures chemicals and building products for the construction industry. Its brands include Sonneborn, Thoro, MBT Protection & Repair, ThoRoc, Hydrozo, SELBY, UCRETE, CHEMREX, and Radiance. The firm's products provide sealant, waterproofing, grout, concrete repair, water repellent, performance flooring, surface adhesives, and wall coating solutions for construction and renovation projects. The company is headquartered in Shakopee, MN.

TenneT TSO GmbH is a German company that focuses on providing a new standardised platform and certified cable system for offshore grid connection systems. TenneT TSO is based in Bayreuth, Germany. The private company was founded in 2009 and was acquired by TenneT Holding BV from E.ON SE on February 25, 2010 for $1,650.71 million. The company aims to increase transmission capacity while minimizing environmental impact. The company also handles modifications and reconstructions of high-voltage lines and cables in response to requests from municipalities, government bodies, and project developers. Additionally, TenneT TSO replaces old electricity connections, installs new ones, and builds high-voltage substations to upgrade and expand the Dutch grid. The company plays a crucial role in ensuring the security of electricity supply to 43 million domestic and business users in Europe. The company is ultimately controlled by the Government of the Netherlands. The CEOs of TenneT TSO are Arina Friday, Maarten Abbenhuis, and Tim Meyerjürgens.

HOCHTIEF Solutions AG provides facility management, energy solutions, and construction services. The firm services spectrum encompasses classic shell construction and high-end building construction, as well as complex infrastructural projects. It also have one of the construction industry’s biggest engineering firms. The company was founded in 1998 and is headquartered in Essen, Germany.

TRUMPF Werkzeugmaschinen GmbH + Co. KG manufactures machinery tools and equipment. The firm''s product range encompasses machinery for two-dimensional laser cutting, laser tube cutting, punching, punch laser processing, and turning applications. It markets its solutions under the TruLaser, TruLaser Tube, TruPunch, TruMatic, and Trubend product lines. Its service areas encompass equipment leasing, software development, spare parts distribution, and training and technical support. The company is headquartered in Ditzingen, Germany.

Carl Zeiss Ltd. is an innovative technology leader in the fields of optics, precision engineering and electronic visualization. Time and time again, they set new, pioneering standards in sophisticated technology for recognizing, experiencing, measuring, analyzing, structuring and processing a wide spectrum of objects. With professional optics they meet the expectations of even its most critical customers - not only in the fields of research, medicine, industry, but also for use in leisure activities.

Part of Awax SpA, Sasol Germany GmbH is a manufacturer of high-quality chemical products with production facilities in Brunsbüttel and Marl and headquarters in Germany. The private company is based in Hamburg, Germany. Around 1,700 employees and almost 100 apprentices produce innovative, sustainable products and develop solutions for the processing industry. The German company offers a wide range of products, including substances for the production of detergents and cleaning agents, paints and coatings, cosmetics, and pharmaceutical products. In addition, specialities such as high-purity and ultra-high-purity aluminas are used, for example, as catalyst carriers in catalytic converters for the automotive industry, industrial applications, and high-performance abrasives. The CEO of the company is Jens Straatmann. Sasol Germany was acquired by Awax SpA from Sasol Ltd. on March 01, 2022.

Carl Zeiss BV provides chemical and pharmaceutical services. It provides optics, microscopy, medical instruments and industrial measurements. The company was founded in 1946 and is headquartered in Sliedrecht, the Netherlands

Carl Zeiss AB provides optics, precision engineering, and instrumentation. It sells products in microscopy, electron microscopy, diagnostics, eye laser, operation microscope, measurement technology, and binoculars. The company was founded in 1936 and is headquartered in Stockholm, Sweden.

Currenta Geschäftsführungs GmbH is a company based in Leverkusen, Germany. and has subsidiaries in Germany. The German company specializes in supply, waste management, safety, and the management of the chempark. The company provides customized solutions to their customers, ranging from material and energy supply to the development of disposal and safety concepts, as well as support in approval procedures. Currenta offers their services to the chemical and chemical-related industries both inside and outside chempark, creating high and sustainable value.

Part of Carl-Zeiss-Stiftung, Carl Zeiss de México SA is a leading international technology company based in Mexico City, Mexico that operates in the optics and optoelectronics sectors. The Mexican company specializes in providing OEM solutions for the development and production of optical modules and systems that are optimized for their clients' requirements. Additionally, they have a division called Zeiss Sunlens that focuses on the research, development, and production of non-prescription sun lenses, with the aim of being the partner of choice for sunglasses manufacturers and eyewear designers worldwide.

Part of Carl-Zeiss-Stiftung, Carl Zeiss Do Brasil Ltda. The private company is based in São Paulo, Brazil. is a leading Brazilian international technology company in the fields of optics and optoelectronics. Zeiss cinema lenses have helped create distinctive images in many famous films, such as the film "The Lord of the Rings", which has already received three Academy Awards (Technical Academy Awards). Experience unique moments of nature in bright, luminous, high-contrast images with binoculars and Zeiss observation scopes.

Carl Zeiss SAS wholesales industrial supplies and equipment. The company was founded on March 16, 1988 and is headquartered in Le Pecq, France.

Freudenberg Sealing Technologies GmbH & Co. KG manufactures sealing and vibration control technology components. It operates as a supplier, developer and service partner to the automotive industry, civil aviation, mechanical engineering, and shipbuilding areas. The company was founded by Carl Johann Freudenberg and Heinrich Christian Heintze on February 9, 1849 and is headquartered in Weinheim, Germany.

Part of Freudenberg & Co. KG, Freudenberg Service KG is a German company that provides business management consulting services. The private company is based in Weinheim, Germany. The CEOs are Tilman Krauch, Ralf Krieger, Mohsen M. Sohi. The company was founded in 1995.

Covestro Deutschland AG engages in the production and distribution of polymers. It also sells paints and adhesive raw materials. The company was founded on April 8, 2002 and is headquartered in Leverkusen, Germany.

Tennet BV operates as an electricity transmission system. It is ultimately controlled by the Government of the Netherlands.

Jumag Dampferzeuger GmbH manufactures steam generators. The company is headquartered in Hirschberg, Germany.