Fairchild Semiconductor
Texas Instruments
Atmel
Altera
Xilinx
Intel
LSI Corporation
Cypress Semiconductor
Analog Devices
AMD
onsemi
Microchip Technology
Maxim Integrated
Maxtor
American company
nationalsemiconductor.com
National Semiconductor Corporation was an American semiconductor manufacturer which specialized in analog devices and subsystems, formerly with headquarters in Santa Clara, California. Wikipedia