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.

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.

Onto Innovation Inc. engages in the design, development, manufacture, and support of process control tools that performs optical metrology. The company offers lithography systems and process control analytical software. It also offers process and yield management solutions, and device packaging and test facilities through standalone systems for optical metrology, macro-defect inspection, packaging lithography, and transparent and opaque thin film measurements. In addition, the company provides process control software portfolio that includes solutions for standalone tools, groups of tools, and enterprise-or factory-wide suites. Further, it engages in systems software, spare parts, and other services, as well as offers software licensing services. The company's products are used in semiconductor and advanced packaging device manufacturers; silicon wafer; light emitting diode; vertical-cavity surface-emitting laser; micro-electromechanical system; CMOS image sensor; power device; analog device; RF filter; data storage; and various industrial and scientific applications. Onto Innovation Inc. was founded in 1940 and is headquartered in Wilmington, Massachusetts.

Nova Ltd. designs, develops, produces, and sells process control systems used in the manufacture of semiconductors in Israel, Taiwan, the United States, China, Korea, and internationally. Its product portfolio includes a set of metrology platforms for dimensional, films, and materials and chemical metrology measurements for process control for various semiconductor manufacturing process steps, including lithography, etch, chemical mechanical planarization, deposition, electrochemical plating, and advanced packaging. The company serves various sectors of the integrated circuit manufacturing industry, including logic, foundries, and memory manufacturers, as well as process equipment manufacturers. Nova Ltd. was formerly known as Nova Measuring Instruments Ltd. and changed its name to Nova Ltd. in July 2021. Nova Ltd. was incorporated in 1993 and is headquartered in Rehovot, Israel.

Veeco Instruments Inc., together with its subsidiaries, develops, manufactures, sells, and supports semiconductor and thin film process equipment primarily to make electronic devices in the United States, Europe, the Middle East, and Africa, China, Rest of the Asia-Pacific, and internationally. The company offers laser annealing, ion beam deposition and etch, metal organic chemical vapor deposition, single wafer wet processing and surface preparation, molecular beam epitaxy, advanced packaging lithography, atomic layer deposition, and other deposition systems. Its process equipment systems are used in the production of a range of microelectronic components, including logic, dynamic random-access memory, photonics devices, power electronics, radio frequency filters and amplifiers, magnetic heads for hard disk drives, and other semiconductor devices. In addition, the company markets and sells its products to integrated device manufacturers and foundries; outsourced semiconductor assembly and test companies; and hard disk drive and photonics manufacturers, as well as research centers and universities. Veeco Instruments Inc. was founded in 1945 and is headquartered in Plainview, New York.

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.