AEG Telefunken

Analog Devices

Ates Component

Atmel Corporation

Burr Brown

Calex

Fairchild Corp.

Ferranti Ltd.

Fujitsu

Hitachi, Ltd.

ITT Semiconductors

Infineon

Int. Rectifier

Intersil

Korea Electronics

Linear Technology

Matsushita

Maxim Integrated

Maxlinear, Inc.

Microchip Inc.

Mitsubishi

Motorola Products

NXP

National

Nippon Electric

ON Semiconductors

Philips

RCA Solid State

RFT electronic

Rohm

SGS Thomson

Samsung CO. LTD.

Sanken

Sescosem

Siemens AG

Signetics

Taiwan

Tesla

Texas Instruments

Thomson

Tokyo Sanyo Co.

Toshiba

Unitrode

Valvo GmbH

diverse