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Daqo New Energy Corp., together with its subsidiaries, manufactures and sells polysilicon to photovoltaic product manufacturers in the People's Republic of China. Its products are used in ingots, wafers, cells, and modules for solar power solutions. The company was formerly known as Mega Stand International Limited and changed its name to Daqo New Energy Corp. in August 2009. Daqo New Energy Corp. was founded in 2006 and is based in Shanghai, the People's Republic of China.

FormFactor, Inc. designs, manufactures, and sells probe cards, analytical probes, probe stations, metrology systems, thermal systems, and cryogenic systems to semiconductor companies and scientific institutions in the United States, Taiwan, South Korea, China, Europe, Japan, Malaysia, Singapore, and internationally. It operates in two segments, Probe Cards and Systems. The company offers probe cards to test various semiconductor device types, including systems on a chip products, mobile application processors, microprocessors, microcontrollers, and graphic processors, as well as radio frequency, analog, mixed signal, image sensor, electro-optical, dynamic random access memory, NAND flash memory, and NOR flash memory devices, as well as computer processor devices; and analytical probes, which are used for a range of applications, including device characterization, electrical simulation model development, failure analysis, and prototype design debugging for universities, research institutions, semiconductor integrated device manufacturers, semiconductor foundries, and fabless semiconductor companies. It also provides probe systems for semiconductor design engineers to capture and analyze accurate data; surface metrology systems for the development, production, and quality control of semiconductor products; thermal subsystems, such as thermal chucks and other test systems used in probe stations and other applications; and precision cryogenic instruments, semiconductor tests, and measurement systems. In addition, the company offers on-site probe card maintenance and service training, seminars, and telephone support services. It markets and sells its products through direct sales force, manufacturers' representatives, and distributors. The company was incorporated in 1993 and is headquartered in Livermore, California.

Rambus Inc. provides semiconductor products in the United States, South Korea, Singapore, and internationally. The company offers DDR memory interface chips, including DDR5 and DDR4 memory interface chips to module manufacturers, OEMs, and hyperscalers; silicon IP, such as interface and security IP solutions that move and protect data in advanced data center, government, and automotive applications; and interface IP solutions for high-speed memory and chip-to-chip digital controller IP. It also provides a portfolios of security IP solutions, including crypto cores, hardware roots of trust, high-speed protocol engines, and chip provisioning technologies; and portfolio of patents that covers memory architecture, high-speed serial links, and security products. It markets its products and services through its direct sales force and distributors. Rambus Inc. was incorporated in 1990 and is headquartered in San Jose, California.

Silicon Motion Technology Corporation, together with its subsidiaries, designs, develops, and markets NAND flash controllers for solid-state storage devices. The company offers controllers for computing-grade solid state drives (SSDs), which are used in PCs and other client devices; enterprise-grade SSDs used in data centers; eMMC and UFS mobile embedded storage for use in smartphones and IoT devices; flash memory cards and flash drives for use in expandable storage; and specialized SSDs that are used in industrial, commercial, and automotive applications. It markets its controllers under the SMI brand; enterprise-grade SSDs under the Shannon Systems brand; and single-chip industrial-grade SSDs under the FerriSSD, Ferri-eMMC, and Ferri-UFS brands. The company markets and sells its products through direct sales personnel and independent electronics distributors to NAND flash makers, module makers, hyperscalers, and OEMs. It operates in Taiwan, the United States, Korea, China, Malaysia, Singapore, and internationally. The company was founded in 1995 and is based in Hong Kong, Hong Kong.

Ultra Clean Holdings, Inc. develops and supplies critical subsystems, components and parts, and ultra-high purity cleaning and analytical services for the semiconductor industry in the United States and internationally. The company provides ultra-clean valves, high purity connectors, industrial process connectors and valves, pneumatic actuators, manifolds and safety solutions, hoses, pressure gauges, and gas line and component heaters; chemical delivery modules that deliver gases and reactive chemicals in a liquid or gaseous form from a centralized subsystem to the reaction chamber; and gas delivery systems, such as weldments, filters, mass flow controllers, regulators, pressure transducers and valves, component heaters, and an integrated electronic and/or pneumatic control system. It also offers various industrial and automation production equipment; fluid delivery systems consist of one or more chemical delivery units, including PFA tubing, filters, flow controllers, regulators, component heaters, and an integrated electronic and/or pneumatic control system; precision robotic systems; top-plate assemblies; frame assemblies; process modules, a subsystem of semiconductor manufacturing tools that process integrated circuits onto wafers; and other high-level assemblies. In addition, the company provides tool chamber parts cleaning and coating services; micro-contamination analysis services for tool parts, wafers and depositions, chemicals, cleanroom materials, deionized water, and airborne molecular contamination; and analytical verification services for process tool chamber part cleaning. It primarily serves original equipment manufacturing customers in the semiconductor capital equipment and semiconductor integrated device manufacturing industries, as well as display, consumer, medical, energy, industrial, and research equipment industries. The company was founded in 1991 and is headquartered in Hayward, California.