• ArrayComm, Inc.
• ASTEL TOKYO CORPORATION
• AT&T Japan Ltd.
• Cable and Wireless Japan Ltd.
• CASIO COMPUTER CO., LTD.
• CIRRUS LOGIC K.K.
• DDI Tokyo Pocket Telephone, Inc.
• DSP Communications (JAPAN), INC.
• Fujitsu Limited
• Hitachi, Ltd.
• Hong Kong Telecommunications Ltd.
• PT INDUSTRI TELEKOMUNIKASI INDONESIA (PERSERO)
• Ikegami Tsushinki Co., Ltd.
• Itochu Corporation
• Iwatsu Electric Co., Ltd.
• Japan Radio Co., Ltd.
• Japan Telecom Co., Ltd.
• Kanda Tsushin Kogyo Co., Ltd.
• Kenwood Corporation
• Kokusai Denshin Denwa Co., Ltd.
• Matsushita Communication Industrial Co., Ltd.
• Meisei Electric Co., Ltd.
• Mitsubishi Electric Corporation
• NEC Corporation
• Nippondenso Co., Ltd.
• Nippon Ericsson Co., Ltd.
• Nippon Motorola Ltd.
• Nippon Telegraph and Telephone Corporation
• Nitsuko Corporation
• Northern Telecom Japan Inc.
• NTT Central Personal Communications Network Inc.
• NTT Mobile Communications Network Inc.
• Oki Electric Industry Co., Ltd.
• PANTECH CO., LTD.
• PHS International Ltd.
• Pioneer Electronic Corporation
• SANYO Electric Co., Ltd.
• Sharp Corporation
• Sony Corporation
• ST Telecommunications Pte Ltd.
• Sumitomo Electric Industries, Ltd.
• Teleway Japan Corp.
• Toshiba Corporation
• Tokyo Electric Power Company, Inc. (TEPCO)
• VICTOR COMPANY OF JAPAN, LTD.
• Yupiteru Industries Co., Ltd.

Special Members

• Association of Radio Industries and Businesses
• Ministry of Posts and Telecommunications (Japan)
• Radio Equipment Inspection and Certification Institute
• The Telecommunication Technology Committee