ASE Technology
NYSE:ASXASE Technology Holding Co., Ltd., together with its subsidiaries, provides semiconductors packaging and testing, and electronic manufacturing services in the United States, Taiwan, Asia, Europe, and internationally. It develops, constructs, sells, leases, and manages real estate properties; produces substrates; offers information software, equipment leasing, investment advisory, and warehousing management services; commercial complex, after-sales, and support services; manages parking lot services; processes and sells computer and communication peripherals, electronic components, telecommunications equipment, and motherboards; and imports and exports goods and technology. ASE Technology Holding Co., Ltd. was founded in 1984 and is based in Kaohsiung, Taiwan.
Advantest
OTCMKTS:ATEYYAdvantest Corporation manufactures and sells semiconductors, component test system products, and mechatronics systems in Japan, the United States, Europe, and Asia. The company operates through three segments: Semiconductor and Component Test System; Mechatronics Related Business; and Service and other departments. The Semiconductor and Component Test System segment provides customers with test system products for the semiconductor industry and the electronic parts industry, as well as offers test systems for SoC semiconductor devices, and test systems for memory semiconductors devices. The Mechatronics Related Business segment provides test handlers; mechatronic-applied products for handling semiconductor devices; and device interfaces, which serve as interfaces with the devices that are measured, as well as nano-technology related products. The Service And Other Departments segment provides test solutions of system level testing customer solutions for the semiconductor and modules, and support services. This segment is also involved in the sale of consumables and used products, and equipment lease business, and others. It also engages in the research and development activities and provides maintenance and support services. The company was incorporated in 1946 and is headquartered in Tokyo, Japan.
GLOBALFOUNDRIES
NASDAQ:GFSGLOBALFOUNDRIES Inc. operates as a semiconductor foundry worldwide. The company manufactures a range of semiconductor devices, including microprocessors, mobile application processors, baseband processors, network processors, radio frequency modems, microcontrollers, and power management units; and offers mainstream wafer fabrication services and technologies. The company was founded in 2009 and is based in Malta, New York.
United Microelectronics
NYSE:UMCUnited Microelectronics Corporation operates as a semiconductor wafer foundry in Taiwan, Singapore, China, Hong Kong, Japan, the United States, Europe, and internationally. The company provides circuit design, mask tooling, wafer fabrication, and assembly and testing services. It serves fabless design companies and integrated device manufacturers. The company was incorporated in 1980 and is headquartered in Hsinchu City, Taiwan.