Discrete components
Diotec, Fagor, Fairchild, GSI, Texas Instruments, Int. Rectifier, ITT, MIC, NXP, STMicroelectronic
Optoelectronics
Agilent, Ampire, Bolymin, Display Technology, Fairchild, Kingbright, Liteon, Mentor, Osram, Sharp, Sunlike, Toshiba
Linear Ic's
Diotec, Fagor, Fairchild, GSI, Texas Instruments, Int. Rectifier, ITT, MIC, NXP, STMicroelectronic
Digital Ic's
National Semiconductor, On-Semi, NXP, STMicroelectronic, Texas Instruments, Toshiba
Memory, Controller
Atmel, Infineon, Microchip, Mitsubishi, NEC, On-Semi, STMicroelectronic
DC / DC converter
CD-Technologies, RECOM