Corning Incorporated engages in the display technologies, optical communications, environmental technologies, specialty materials, and life sciences businesses in the United States and internationally. The company's Display Technologies segment offers glass substrates for flat panel displays, including liquid crystal displays and organic light-emitting diodes that are used in televisions, notebook computers, desktop monitors, tablets, and handheld devices. Its Optical Communications segment provides optical fibers and cables; and hardware and equipment products, such as cable assemblies, fiber optic hardware and connectors, optical components and couplers, closures, network interface devices, and other accessories for the telecommunications industry, businesses, governments, and individuals. The company's Specialty Materials segment manufactures products that offer material formulations for glass, glass ceramics, crystals, precision metrology instruments, and software, as well as glass wafers and substrates, tinted sunglasses, and radiation shielding products for various markets comprising mobile consumer electronics, semiconductor equipment optics and consumables, aerospace and defense optics, radiation shielding products, sunglasses, and telecommunications components. Its Environmental Technologies segment provides ceramic substrates and filter products for emissions control in mobile, gasoline, and diesel applications. The company's Life Sciences segment offers laboratory products, including consumables, such as plastic vessels, liquid handling plastics, specialty surfaces, cell culture media, and serum, as well as general labware, and glassware and equipment under the Corning, Pyrex, Falcon, and Axygen brands. The company was formerly known as Corning Glass Works and changed its name to Corning Incorporated in April 1989. Corning Incorporated was founded in 1851 and is headquartered in Corning, New York.

Coherent Corp. develops, manufactures, and markets engineered materials, optoelectronic components and devices, and optical and laser systems and subsystems for the use in the industrial, communications, electronics, and instrumentation markets worldwide. It operates through three segments: Networking, Materials, and Lasers. The Networking segment offers telecommunication products for fiber-optic transmission; datacom transceivers, including pluggable transceivers for ethernet and fiber channel applications; and advanced optics, such as fiber and precision optics used in projection displays, crystal materials and components for optical communications, filters and assemblies for life sciences, sensors, instrumentation, and semiconductor equipment, as well as ultraviolet (UV), visible, and near-infrared spectroscopy optics for industrial lasers. The Materials segments provides laser optics and accessories; infrared thermal imaging optics and assemblies; polycrystalline materials; thermoelectric components, subassemblies, and systems; ceramic and metal-matrix composite products; semiconductor lasers and laser bars; Q-switched laser modules, uncooled pump laser modules, and laser systems for superhard materials processing; laser processing heads and beam delivery systems; EELs, VCSELs, and detectors; pumps for amplifiers; precision optical assemblies, infrared optics, thin-film coatings and optical materials; optical solutions; and integrated circuits for transceivers. The Lasers segment offers UV gas and solid-state lasers; UV optical systems, line beams, and mask-based imaging systems; UV nanosecond lasers; continuous-wave lasers and systems; amplifiers; subsystems and standard systems; IR lasers; crystals and diode lasers, and specialty polishing and coating solutions. The company was formerly known as II-VI Incorporated and changed its name to Coherent Corp. in September 2022. Coherent Corp. was incorporated in 1971 and is headquartered in Saxonburg, Pennsylvania.

Materion Corporation, together with its subsidiaries, produces advanced engineered materials used in semiconductor, industrial, aerospace and defense, automotive, energy, consumer electronics, and telecom and data center in the United States, Asia, Europe, and internationally. The company operates in four segments: Performance Materials, Electronic Materials, Precision Optics, and Other. The company provides advanced engineered solutions comprising beryllium and non-beryllium containing alloy systems and custom engineered parts in strip, bulk, rod, plate, bar, tube, and other customized shapes; engineering and product development services; alloyed metals, beryllium products, and beryllium hydroxide; precision strip, rod, and wire products, as well as engineered strip metal products; and ToughMet alloys and SupremEX aluminum silicon carbide metal matrix composite formulation products. It operates the bertrandite ore mine and refinery located in Utah that provides feedstock hydroxide for its beryllium businesses and external sale. In addition, it produces advanced chemicals, microelectronics packaging, precious metal, non-precious metal, and specialty metal products, including vapor deposition targets, frame lid assemblies, clad and precious metal pre-forms, high temperature braze materials, and ultra-pure wire. Further, the company designs and produces precision thin film coatings, optical filters, and assemblies. The company sells its products directly from its facilities, as well as through company-owned service centers, outside distributors, agents, direct sales offices, and independent sales representatives. The company was formerly known as Brush Engineered Materials Inc. and changed its name to Materion Corporation in March 2011. Materion Corporation was founded in 1921 and is headquartered in Mayfield Heights, Ohio.

nLIGHT, Inc. designs, develops, manufactures, and sells semiconductor and fiber lasers for industrial, microfabrication, and aerospace and defense applications. The company operates in two segments, Laser Products and Advanced Development. It offers semiconductor lasers with various ranges of power levels, wavelengths, and output fiber sizes; and programmable and serviceable fiber lasers for use in industrial and aerospace and defense applications. The company also provides laser sensors, including light detection and ranging technologies for intelligence, surveillance, and reconnaissance applications; and fiber amplifiers, beam combination, and control systems for use in high-energy laser systems in directed energy applications. It sells its products through direct sales force in the United States, China, South Korea, and European countries, as well as through independent sales representatives and distributors in Asia, Australia, Europe, the Middle East, and South America. The company was formerly known as nLight Photonics Corporation and changed its name to nLIGHT, Inc. in January 2016. nLIGHT, Inc. was incorporated in 2000 and is headquartered in Camas, Washington.

POET Technologies Inc. designs, develops, manufactures, and sells discrete and integrated opto-electronic solutions in Canada, the United States, Singapore, and China. The company offers integration solutions based on the POET Optical Interposer, a novel platform that allows the seamless integration of electronic and photonic devices into a single multi-chip module using advanced wafer-level semiconductor manufacturing techniques. It also develops photonic integrated components. The company serves the data center, telecommunications, Internet of things and industrial sensing, automotive LIDAR, optical coherence tomography for medical devices, and virtual reality systems markets. The company was formerly known as Opel Technologies Inc. and changed its name to POET Technologies Inc. in June 2013. POET Technologies Inc. was incorporated in 1972 and is headquartered in Toronto, Canada.

Mativ Holdings, Inc., together with its subsidiaries, manufactures and sells specialty materials in the United States, Europe, the Asia Pacific, the Americas, and internationally. The company operates through two segments, Advanced Technical Materials and Fiber-Based Solutions. The Advanced Technical Materials manufactures and sells various engineered polymer, resin and fiber-based substrates, nets, films, adhesive tapes, and other nonwovens for the filtration, protective solutions, release liners, and healthcare end-markets. This segment sells its products directly, as well as through sales agents and distributors. The Fiber-Based Solutions segment produces packaging and specialty paper products. This segment provides premium packaging products that are used for wine, spirits and beer labels, folding cartons, box wrap, bags, hang tags, and stored value cards servicing retail, cosmetics, spirits, and electronics end-use markets; and premium papers, which are used in commercial printing services, advertising collateral, stationery, corporate identity packages and brochures, direct mail, business cards, and other uses. It also offers branded paper-based products for the consumer channel, such as bright papers, cardstock, stationery paper, envelopes, journals, and planners. This segment distributes its products through authorized paper distributors, converters, retailers, and specialty business converters, as well as directly to end-users. The company was formerly known as Schweitzer-Mauduit International, Inc. and changed its name to Mativ Holdings, Inc. in July 2022. Mativ Holdings, Inc. was incorporated in 1995 and is headquartered in Alpharetta, Georgia.

Zentek Ltd., together with its subsidiaries, engages in the research and development of graphene and related nanomaterials in Canada. The company develops graphene-based antimicrobial coating under the ZenGUARD brand, surgical masks, HVAC filters, personal protective equipment, rapid detection point of care diagnostics tests, and pharmaceutical products based on graphene-based compounds. It is also developing graphene oxide synthesis and graphene synthesis. In addition, the company owns 100% interest in the Albany graphite project located in Northern Ontario, Canada. The company was formerly known as ZEN Graphene Solutions Ltd. and changed its name to Zentek Ltd. in October 2021. Zentek Ltd. was incorporated in 2008 and is headquartered in Guelph, Canada.

Largo Inc. engages in the development and sale of vanadium-based energy storage systems in Canada. The company operates through, Sales & Trading, Mine Properties, Corporate, Exploration and Evaluation Properties, and Largo Clean Energy and Largo Physical Vanadium Segments. Its products include VPURE+ vanadium flakes that are used in the production of master alloys and aerospace applications; VPURE vanadium flakes ferrovanadium and vanadium carbon nitride for the steel industry; and VPURE+ vanadium powder for catalyst applications. The company offers renewable energy storage solutions through Largo Clean Energy. Its products are sourced from vanadium deposits at the Maracás Menchen Mine in Brazil. The company was formerly known as Largo Resources Ltd. and changed its name to Largo Inc. in November 2021. The company was incorporated in 1988 and is headquartered in Toronto, Canada.