Taiwan Semiconductor Manufacturing Company Limited, together with its subsidiaries, manufactures, packages, tests, and sells integrated circuits and other semiconductor devices in Taiwan, China, Europe, the Middle East, Africa, Japan, the United States, and internationally. It provides a range of wafer fabrication processes, including processes to manufacture complementary metal- oxide-semiconductor (CMOS) logic, mixed-signal, radio frequency, embedded memory, bipolar CMOS mixed-signal, and others. The company also offers customer and engineering support services; manufactures masks; and invests in technology start-up companies; researches, designs, develops, manufactures, packages, tests, and sells color filters; and provides investment services. Its products are used in high performance computing, smartphones, Internet of things, automotive, and digital consumer electronics. The company was incorporated in 1987 and is headquartered in Hsinchu City, Taiwan.

KLA Corporation, together with its subsidiaries, engages in the design, manufacture, and marketing of process control, process-enabling, and yield management solutions for the semiconductor and related electronics industries worldwide. It operates through three segments: Semiconductor Process Control; Specialty Semiconductor Process; and PCB and Component Inspection. The company offers inspection and review tools to identify, locate, characterize, review, and analyze defects on various surfaces of patterned and unpatterned wafers; metrology systems that are used to measure pattern dimensions, film thickness, film stress, layer-to-layer alignment, pattern placement, surface topography, and electro-optical properties for wafers; chemical process control equipment; wired and wireless sensor wafers and reticles; wafer defect inspection, review, and metrology systems; reticle inspection and metrology systems; and semiconductor software solutions that provide run-time process control, defect excursion identification, process corrections, and defect classification to accelerate yield learning rates and reduce production risk. It also provides etch, plasma dicing, deposition, and other wafer processing technologies and solutions for the semiconductor and microelectronics industry. In addition, the company offers direct imaging, inspection, optical shaping, inkjet and additive printing, UV laser drilling, and computer-aided manufacturing and engineering solutions for the PCB market; inspection and electrical testing systems to identify and classify defects, as well as systems to repair defects for the display market; and inspection and metrology systems for quality control and yield improvement in advanced and traditional semiconductor packaging markets. The company was formerly known as KLA-Tencor Corporation and changed its name to KLA Corporation in July 2019. KLA Corporation was incorporated in 1975 and is headquartered in Milpitas, California.

Lam Research Corporation designs, manufactures, markets, refurbishes, and services semiconductor processing equipment used in the fabrication of integrated circuits. The company offers ALTUS systems to deposit conformal films for tungsten metallization applications; SABRE electrochemical deposition products for copper interconnect transition that offers copper damascene manufacturing; and VECTOR plasma-enhanced CVD products. It also provides SPEED gapfill high-density plasma chemical vapor deposition products; and Striker single-wafer atomic layer deposition products for dielectric film solutions. In addition, the company offers Flex for dielectric etch applications; Vantex, a dielectric etch system that provides RF technology and repeatable wafer-to-wafer performance enabled by Equipment Intelligence solutions; Kiyo for conductor etch applications; Syndion for through-silicon via etch applications; and Versys metal products for metal etch processes. Further, it provides Coronus bevel clean products to enhance die yield; and Da Vinci, DV-Prime, EOS, and SP series products to address various wafer cleaning applications. The company sells its products in the United States, China, Europe, Japan, Korea, Southeast Asia, and Taiwan. Lam Research Corporation was incorporated in 1980 and is headquartered in Fremont, California.

Entegris, Inc. develops, manufactures, and supplies microcontamination control products, specialty chemicals, and advanced materials handling solutions in North America, Taiwan, China, South Korea, Japan, Europe, and Southeast Asia. It operates in three segments: Materials Solutions (MS); Microcontamination Control (MC); and Advanced Materials Handling (AMH). The MC segment solutions to purify critical liquid chemistries and process gases used in semiconductor manufacturing processes and other high-technology industries; integrated circuit chemical mechanical polishing solutions, high-performance etch and clean chemistries, gases and materials, and safe and materials delivery systems. The MS segment provides materials-based solutions, such as chemical mechanical planarization slurries, pads, deposition materials, process chemistries and gases, formulated cleans, etchants, and other specialty materials. The Advanced Materials Handling segment develops solutions for customers' yields by protecting critical materials during manufacturing, transportation, and storage, which include monitor, protect, transport and deliver critical liquid chemistries, wafers, and other substrates for semiconductor, life sciences and other high-technology industries. The company's customers include logic and memory semiconductor device manufacturers, semiconductor equipment makers, gas and chemical manufacturing companies, and wafer grower companies; and flat panel display equipment makers, panel manufacturers, and manufacturers of hard disk drive components and devices, as well as their related ecosystems. It serves manufacturers and suppliers in the solar and life science industries, electrical discharge machining customers, glass and glass container manufacturers, aerospace manufacturers, and manufacturers of biomedical implantation devices. Entegris, Inc. was founded in 1966 and is headquartered in Billerica, Massachusetts.

Sanmina Corporation provides integrated manufacturing solutions, components, products and repair, logistics, and after-market services in the Americas, the Asia Pacific, Europe, the Middle East, and Africa. It operates in two businesses, Integrated Manufacturing Solutions; and Components, Products and Services. The company offers product design and engineering, including concept development, detailed design, prototyping, validation, preproduction, manufacturing design release, and product industrialization; assembly and test services; direct order fulfillment and logistics services; after-market product service and support; and supply chain management services, as well as engages in the manufacture of components, subassemblies, and complete systems. In addition, the company provides components, such as printed circuit boards, backplane and backplane assemblies, cable assemblies, fabricated metal parts, precision machined parts, and plastic injected molded parts; memory solutions; storage platforms; optical, radio frequency, and microelectronic solutions; defense and aerospace products, design, manufacturing, repair, and refurbishment services; and cloud-based manufacturing execution software. It offers its products and services primarily to original equipment manufacturers in the industrial, medical, defense and aerospace, automotive, communications networks, and cloud infrastructure industries. The company was formerly known as Sanmina-SCI Corp. Sanmina Corporation was incorporated in 1980 and is headquartered in San Jose, California.

Kulicke and Soffa Industries, Inc. engages in the design, manufacture, and sale of capital equipment and tools used to assemble semiconductor devices. It operates through four segments: Ball Bonding Equipment, Wedge Bonding Equipment, Advanced Solutions, and Aftermarket Products and Services (APS). The company offers ball bonding equipment, wafer level bonding equipment, wedge bonding equipment; and advanced display, die-attach, and thermocompression systems and solutions, as well as tools, spares and services for equipment. It also services, maintains, repairs, and upgrades equipment. The company serves integrated device manufacturers, outsourced semiconductor assembly and test providers, other electronics manufacturers, foundry service providers, and automotive electronics suppliers primarily in the United States and the Asia/Pacific region. The company was founded in 1951 and is headquartered in Fort Washington, Pennsylvania.

Amtech Systems, Inc. manufactures and sells capital equipment and related consumables for use in fabricating silicon carbide (SiC), silicon power devices, analog and discrete devices, electronic assemblies, and light-emitting diodes (LEDs) worldwide. The company operates through Semiconductor and Material and Substrate segments. The Semiconductor segment designs, manufactures, sells, and services thermal processing equipment, including solder reflow ovens, horizontal diffusion furnaces, and custom high-temp belt furnaces for use by semiconductor, electronics, and electro/mechanical assembly manufacturers; and diffusion and reflow thermal systems, as well as wafer cleaning equipment and related services. The Material and Substrate segment manufactures and sells consumables and machinery for lapping and polishing of materials, such as silicon wafers for semiconductor products; sapphire substrates for LED lighting and mobile devices; silicon carbide wafers for LED and power device applications; various glass and silica components for 3D image transmission; quartz and ceramic components for telecommunications devices; and medical device components, and optical and photonics applications. It also offers substrate products comprising of double-sided wafer cleaning system, entegrity head tester, substrate carrier, substrate polishing templates, double-sided lapping and polishing machines, single-sided polisher, and substrate process chemicals. The company sells its products through sales personnel, as well as a network of independent sales representatives and distributors. Amtech Systems, Inc. was incorporated in 1981 and is headquartered in Tempe, Arizona.

Trio-Tech International, together with its subsidiaries, offers manufacturing, testing, and distribution services to the semiconductor industry in the United States, Singapore, Malaysia, Thailand, and China. It operates through four segments: Manufacturing, Testing Services, Distribution, and Real Estate. The company develops and manufactures test equipment used in front-end and back-end manufacturing processes of semiconductors. It also offers equipment, which includes leak detectors, autoclaves, centrifuges, burn-in systems and boards, HAST testers, temperature-controlled chucks, wet benches, and others; and develops team integrated device manufacturers and fabless semiconductor companies in the testing process. In addition, the company provides electrical, environmental, and burn-in testing services to semiconductor manufacturers in testing laboratories, and end users of semiconductors and electronic components; support the asset-light strategy of customers by setting up test facilities; and providing component level, package level and system level testing services. Further, it distributes environmental chambers, mechanical shock and vibration testers, and other semiconductor equipment; components, such as connectors, sockets, cables, LCD displays, and touch screen panels; and invests in and rents real estate properties; as well as offers design consultancy and value-added services. The company serves automotive, avionics, defense, medical, research, and OEM/ODM manufacturers. Trio-Tech International was incorporated in 1958 and is headquartered in Van Nuys, California.