Apple designs, manufactures and markets smartphones, personal computers, tablets, wearables and accessories, and sells a variety of related services. The company's products include: iPhone; Mac; iPad; and wearables, home and accessories, which includes AirPods?, Apple TV?, Apple Watch?, Beats? products, HomePod?, iPod touch? and other Apple-branded and third-party accessories. The company's services include: digital content stores and streaming services; AppleCare, which includes AppleCare + (AC+) and the AppleCare Protection Plan; iCloud, which is the company's cloud service; licensing; and other services, which include Apple Arcade?, Apple Card?, Apple News+, and Apple Pay, a cashless payment service.

KLA is a supplier of process control and yield management solutions for the semiconductor and related nanoelectronics industries. The company provides process control and process-enabling solutions for manufacturing and testing wafers and reticles, integrated circuits, packaging, light emitting diodes, power devices, compound semiconductor devices, microelectromechanical systems, data storage, printed circuit boards (PCBs), and flat and flexible panel displays, as well as general materials research. The company has four reportable segments which include Semiconductor Process Control; Specialty Semiconductor Process; PCB, Display and Component Inspection; and Other.

Microsoft is a technology company. The company develops and supports software, services, devices, and solutions. The company provides an array of services, including cloud-based solutions as well as solution support and consulting services. The company also delivers relevant online advertising. The company's products include operating systems; cross-device productivity applications; server applications; business solution applications; desktop and server management tools; software development tools; and video games. The company also designs, manufactures, and sells devices, including personal computers, tablets, gaming and entertainment consoles, other devices, and related accessories.

Tokyo Electron is a supplier of semiconductor production equipment ("SPE") and flat panel display ("FPD") selling through global network that spans Japan, the U.S., Europe and Asia. Co.'s principal products are coater/developers, plasma etch systems, thermal processing systems, single wafer deposition systems, cleaning systems (auto wet station, single wafer cleaning system, pre-clean system and scrubber system), wafer prober, FPD coater/developers and FPD plasma etch/ash systems. In addition, Co., through its subsidiaries, is engaged in the provision of transportation services, insurance services, as well as the support services for Co.'s photovoltaic cell ("PV") production equipment.