EssilorLuxottica SA engages in the design, manufacture, and distribution of ophthalmic lenses, frames and sunglasses. It operates through the following segments: Professional Solutions and Direct to Consumer. The Professional Solutions segment represent the wholesale business of the Group, i.e. the supply of the Group's products and services to all the professionals of the eyecare industry (distributors, opticians, independents, third-party e-commerce platforms. The Direct to Consumer segment represents the retail business of the Group, i.e. the supply of the Group products and services directly to the end consumer either through the network of physical stores operated by the Group (brick and mortar) or the online channel (e-commerce). The company was founded by Leonardo Del Vecchio in 1961 and is headquartered in Charenton-le-Pont, France.

Part of Arkema SA, Arkema France SA is a company headquartered in Colombes, France, that manufactures and supplies vinyl products, industrial chemicals and performance products. Thierry le Hénaff is the CEO, in this role since 2004.

Beijing Weitai Kaixin New Technology Co., Ltd., established on 2003-04-04, Business scope includes technology development,Technical Services,technical consulting,technology transfer,Technical Training;Develop computer hardware and software;Sales of medical devicesIkind,metallic material,Equipment,electronic product,household appliances,communication equipment,computer,Software and Auxiliary Equipment,daily necessities,self-developed products,paper products,plastic products,wooden product;Import and export,Technology Import and Export,Agent import and export;packaging service;Machinery and Equipment Leasing(Car rental not included);Educational Consulting(Except for intermediary services);Cultural Consulting;Conference Services;Undertake exhibition and display activities;Natural science research and experimental development.(Market entities independently choose business projects in accordance with the law,Carry out business activities;Items subject to approval by law,Carry out business activities in accordance with the approved content after approval by relevant departments;Do not engage in the business activities of projects prohibited and restricted by the industrial policies of the state and this city.)

Sony Semiconductor Solutions Corp. is a device solutions manufacturing company. It engages in research, development, manufacturing, and sales of semiconductor related products and electronic/electric equipment, as well as other associated businesses. The company is headquartered in Atsugi, Japan.

Hunan Guosheng Graphite Technology Co., Ltd., established on 2015-08-12, Business scope includes graphite purification and deep processing;Graphene,Lithium-ion battery anode material,nuclear graphite,Research and development of artificial diamond and other new graphite materials,Production,Sales;Carbon products,Production of graphite products,Sales;Graphite R&D technical consultation,technology transfer;coal,Wholesale and retail of mineral products;Engaged in the import and export of goods and technology,Construction of Maker Space Platform and Innovation and Entrepreneurship Services.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Korea Institute of Machinery & Materials is a research institute funded by the government.

Polyplastics Co. Ltd. engages in the manufacture and sale of polymers and engineering plastics. Its products include driving gears for laser printers, cosmetic containers, mechanical components for DVD-ROM drives, automotive stereo speakers, fog lamps, door mirrors, and IC card connectors. The company was founded in June 1962 and is headquartered in Tokyo, Japan.

Part of Compagnie Générale des Établissements Michelin SCA, Société de Technologie Michelin is a French company that manufactures automobile tires, tubes and related products.

Aerosol Dynamics is an R&D company specializing in the measurement of airborne particles.

LEX Diagnostics is a medical device company that specializes in molecular diagnostics for primary care. Having solved the PCR cost problem, LEX focuses tightly on nasal and oral samples, and on viral pathogens, to avoid the other high-cost elements of traditional molecular diagnostic products. LEX Diagnostics is a spin-out from TTP plc, a technology development company in the life science and medical device sector. The origins of the LEX technology lie in an internal R&D project to reduce the time it takes to get a result from a PCR test. It formed a company when it became clear the solution also reduced the cost and size of any diagnostic device using it. LEX Diagnostics was founded in 2020 and is based in Melbourn, United Kingdom.

Lintec Corp. develops, manufactures, and sells pressure-sensitive adhesive materials in Japan and internationally.

SKC Co., Ltd. engages in the manufacture and sale of propylene oxide (PO) products. The company operates through the following divisions: Industry Materials, Chemicals, Electronic Materials, and Others. Its products include PO, propylene glycol ethers, ethylene carbonate, propylene glycol, polyester film, materials for photovoltaic, and converting films. The company was founded on July 16, 1973 and is headquartered in Suwon-si, South Korea.

Rovalma, S.A. is a private company headquartered in Spain. The firm manufactures and distributes steel & related alloys for tools and machinery.

Bethel Co. Ltd. is a Japanese private company that manufactures and sells medical equipment.

Guangdong Power Grid Co., Ltd. Electric Power Research Institute, established on 1987-01-21, The scope of business includes engaging in scientific research related to grid operation and power supply,technical supervision,technology development,Electricity Production Scheduling Information Communication,Consulting Services and Business Training;electric equipment,Commissioning of electrical equipment,Inspection and Test.

Part of AGC, Inc. (Japan), AGC Ceramics Co. Ltd. is a Japanese company located in Tokyo. The firm manufactures ceramics materials.

Matsushita Electronics Corp. develops and manufactures electronic products. Its products include plasma TVs, DVD players, and digital cameras. It is a subsidiary of Matsushita Electric Industrial Co. Ltd. The company is headquartered in Osaka, Japan.