Carl Zeiss Meditec AG engages in the development, manufacture and marketing of medical devices. It operates through the Ophthalmic Devices and Microsurgery business segments. The Ophthalmic Devices segment includes intraocular lenses, surgical visualization solutions and medical laser and diagnostic systems. The Microsurgery segment offers surgical microscopes and visualization solutions for neuro, ear, nose, and throat surgery, as well as the activities in the field of intraoperative radiotherapy. The company was founded on July 2002 and is headquartered in Jena, Germany.

Leica Microsystems (Schweiz) AG manufactures scientific equipments and microscopes for research in the healthcare, semiconductor, and other industries. The company's products include light, stereo, surgical & confocal microscopes, histology systems, and materials sectioning. The company is located in Heerbrugg, Switzerland.

Suzhou Sumai Medical Technology Co., Ltd., established on 2005-04-15, Business scope includes licensed projects:Production of Class II Medical Devices;Production of Class III Medical Devices;Class III medical device business;Import and export;Technology Import and Export;Import and export agency;Internet Information Service for Medical Devices;publication retail;Publications Internet Sales(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments,Specific business projects are subject to approval results) General project:Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion;Production of Class I Medical Devices;Sales of Class I Medical Devices;Sales of Class II Medical Devices;Information system integration service;Computer System Services;Retailing of computer software, hardware and auxiliary equipment;Wholesale of computer software, hardware and auxiliary equipment;software development;Engineering and Technology Research and Experimental Development;internet data service;Internet of Things Technology Services;Domestic trade agent;rental service(Does not include publication rental);Conference and Exhibition Services;property management;Educational Consulting Services(Education and training activities that do not include licensing approval);internet sales(Except for products that require a license for sale)(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)

Olympus Corp. engages in the manufacture and sale of precision machineries and instruments. It operates through the following segments: Medical, Scientific Solutions, Imaging, and Others. The Medical segment covers digestive, surgical, and ultrasonic endoscopy as well as endoscopic treatment tools. The Scientific Solutions segment manufactures and sells biological and industrial microscopes, industrial endoscopes, and non-destructive testing equipment. The Imaging segment deals with digital cameras and recording devices. The Others segment includes biomaterial manufacturing and sales business. The company was founded by Takeshi Yamashita on October 12, 1919 and is headquartered in Tokyo, Japan.

Mitaka Kohki Co. Ltd. is a Japanese private company that manufactures high-precision astronomical telescope, optical measuring equipment and medical equipment.

Leica Instruments (Singapore) Pte Ltd., a subsidiary of Danaher Corp., is a Singaporean company. The firm manufactures analytical optical instrument.

Carl Zeiss AG (German: [kaʁl tsaɪs]), branded as ZEISS, is a German manufacturer of optical systems and optoelectronics, founded in Jena, Germany in 1846 by optician Carl Zeiss. Together with Ernst Abbe (joined 1866) and Otto Schott (joined 1884) he laid the foundation for today's multi-national company. The current company emerged from a reunification of Carl Zeiss companies in East and West Germany with a consolidation phase in the 1990s. ZEISS is active in four business segments with approximately equal revenue, Industrial Quality and Research, Medical Technology, Consumer Markets and Semiconductor Manufacturing Technology in almost 50 countries, has 30 production sites and around 25 development sites worldwide.

Suzhou Simer Medical Technology Co., Ltd., established on 2014-06-12, Business scope includes R&D of Class II medical devices,production and sales;Computer software and hardware development,Sales,technology transfer;Optical Instruments,teaching instrument,Electronic equipment,Manufacturing and sales of instruments and meters;Engaged in the import and export of goods and technology(Except for commodities and technologies that are restricted by the state to be operated by enterprises or prohibited from import and export).(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments) licensed items:Class III medical device business(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments,Specific business projects are subject to approval results)

Part of Metall Zug AG, M��ller-Wedel GmbH & Co. KG is a company headquartered in Wedel, Germany. The firm develops high precision optical systems for medicine and science. It was founded in 2012. Jens Juergens and Walter In��bnit are the current co-CEOs of the company.\nThe company says this about itself: M��LLER-WEDEL GmbH & Co. KG transfers optical visions into real products. For over 150 years, M��LLER-WEDEL has been known as an excellent provider of optical equipment for many applications. We are a part of the famous HAAG - STREIT group from Switzerland. Our core experience is the developing and producing of optical devices and systems for microsurgery. We set the standard for precision mechanics and innovative technology. The need of the surgeons is the guideline and inspiration of our future oriented product development. We focus on the surgical success, the economic performance of the physicians and the satisfaction of the patients. Encouraged by stable partnerships, characterized by sureness and trust, we rely on a competent service and individual support.

Zhenjiang Xintian Medical Equipment Co., Ltd., established on 2004-11-19, Business scope includes medical device production(Class II6822Medical Optics,Instruments and endoscopic equipment);Self-operated and agent import and export business of various commodities and technologies(Except for commodities and technologies that the state restricts enterprises to operate or prohibits import and export);Optical instruments and equipment,Electronic equipment,Sales of machinery and equipment.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Sichuan Ernst Medical Equipment Co., Ltd., established on 2019-05-22, The business scope includes manufacturing of dental equipment and appliances;Sales of medical devices;Optical Instrument Manufacturing;New material technology development,transfer,consult,Service and related product development,manufacture.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Shanghai Yide Medical Technology Co., Ltd., established on 2001-04-04, Business scope includes licensed projects:Production of Class II Medical Devices[Branch operation];Class III medical device business.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments,The specific business items are subject to the approval documents or licenses of relevant departments) General project:Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion;Information Consulting Service(Not including licensing information consulting services);Import and export;Technology Import and Export;software development;Information system integration service;Production of Class I Medical Devices[Branch operation];Sales of Class II Medical Devices.(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)

Johnson & Johnson Medical SpA provides marketing services. It engages in marketing of medical, surgical, pharmaceutical, health, textile and similar devices. The company is headquartered in Pomezia, Italy.

Bioptigen Inc. is an ISO 13485-certified medical device company that develops innovative ophthalmic imaging solutions. Bioptigen’s Envisu(tm) R-class systems are ideally suited to non-invasive ophthalmic imaging of animals ranging from zebrafish to elephants. Using low-power, near-infrared light, Envisu generates real-time, high-resolution, volumetric images of ocular microstructures from the cornea to the retina. Bioptigen has received CE approval to market its hand-held Envisu R2000 systems for preclinical use and C2000 systems for clinical use within the EU.