AEG Telefunken

Analog Devices

Atmel Corporation

Burr Brown

Calex

Ferranti Ltd.

Fujitsu

Hitachi, Ltd.

ITT Semiconductors

Int. Rectifier

Intersil

Linear Technology

Matsushita

Maxim Integrated

Mitsubishi

Motorola Products

National

Nippon Electric

Philips

RFT electronic

SGS Thomson

Samsung CO. LTD.

Sescosem

Siemens AG

Texas Instruments

Tokyo Sanyo Co.

Toshiba

Valvo GmbH

diverse