（Alphabetical order）
Anritsu Corporation
ASTRODESIGN,Inc.
Central System Research Co.,Ltd.
Cosmo Research Corporation
Digital Signal Technology, Inc.
Fukuda Denshi Co., Ltd.
Hitachi Kokusai Electric Inc.
Hitachi Medical Corporation
IKEGAMI TSUSHINKI CO.,LTD.
INNOTECH CORPORATION
Japan Radio Co.,Ltd.
JEOL Ltd.,
Kyoto Electronics Manufacturing Co., Ltd.
Lasertec Corporation
LEADER ELECTRONICS CORP.
Nac Image Technology Inc.
nano Tech Corporation
NEC Corporation
NEC Engineering Co.,Ltd.
NEC Saitama, Ltd.
NEC Wireless Networks Co.,Ltd.
NEOARK Corporation
Nihon Dengyo Kosaku Co.,Ltd.
NIPPO ELECTRONICS CO.,LTD.
Nippon Avionics Co., Ltd.
Oi Electric Co.,Ltd
Oki Electric Industry Co., Ltd.
Orient Microwave Corporation
Sanko-sha .inc.
Sansei System Inc.
TAMAGAWA ELECTRONICS CO,.LTD.
TOKYO DENPA CO.,LTD.
TOKYO KEIKI INC.
TOSHIBA CORPORATION
Tsubata Engineering Co., Ltd.
Vectron International, Inc.,
YDK CO.,LTD.