AEG

Analog

Ates

Atmel

Burr

Calex

Fairchild

Ferranti

Fujitsu

Harris

Hitachi,

ITT

Infineon

Int.

Intersil

Korea

Linear

Matsushita

Maxim

Maxlinear,

Microchip

Mitsubishi

Motorola

NXP

National

Nippon

ON

Philips

Power

RCA

RFT

Rohm

SGS

Samsung

Sanken

Sescosem

Sharp

Siemens

Signetics

Taiwan

Tesla

Texas

Thomson

Tokyo

Toshiba

Unitrode

Valvo

Zilog

diverse