- Realtek Semiconductor Corp.
- Silicon Integrated Systems Corp.
Fabless semiconductor company of core logic and graphic products for desktop, portable and multimedia markets.
- Taiwan Semiconductor Manufacturing Co.
Provides manufacturing services, including ULSI and VLSI wafer manufacturing, wafer probing, IC assembly and test, mask production, and design services.
- United Microelectronics (4)
- Genesys Logic, Inc. (2)
- Siliconware Precision Industries (SPIL)
Provider of semiconductor assembly and test services.
- Orient Semiconductor Electronics, Ltd
Providing both IC packaging and testing services as well as Contract Electronics Manufacturing services.
- Integrated Circuit Solution Incorporation (ICSI)
Manufactures and sells SRAM, DRAM, memory chips, and microcontrollers.
- Macroblock, Inc.
Makers of opto-electronic drivers, and analog, transceiver, and power integrated circuits.
- Opto Tech Corporation
Manufactures LED displays and thermopiles.
- TXC Corporation
3D special, VCD, TCXO, VCXO, SMD and SAW filter type crystal oscillators.
- Sitronix Technology Corporation
Design house for LCD drivers and controllers, mobile phone, OA, and PDA drivers, and other IC related products.
- Cyntec Corporation
Specializes in thin film pt. sensors, passive components, and current detectors.
- Advanced Semiconductor Engineering (ASE)
Provides integrated testing, packaging, system assembly, and product delivery for the semiconductor industry.
- Token Electronics Industry Co., Ltd.
Makers of ceramic resonators, filters, and custom resistors.
- Yageo Corp.
Manufacture fixed resistors, resistor network, and chip array.
- Chilisin Electronics Corporation
Manufacturer of SMD inductors, magnets, chilp beads, coils, transformers, EMI/data line filters, ceramics, and wild bend chokes.
- SPK Electronics Co., Ltd.
Manufactures frequency control products. Includes quartz crystal units, oscillators, filters, ceramic resonator, and etc.
- Advanced Ceramic X Corporation
Offers chip ceramic inductors, low pass filters (LPF), and LTCC modules.
- Tong Hsing Electronic Industries, Ltd.
Manufacturing of microelectronic packaging, including MCM, thick film print and fire substrates, power modules, and PCB assemblies.