| Ana Communications Co., Ltd. |
Music Bird Co., Ltd. |
| Cable And Wireless Idc |
Nexnet Co., Ltd. |
| Chukyotv. Broadcasting Co., Ltd. |
Nikkei Business Publications, Inc. |
| Fm Tokyo Broadcasting Co., Ltd. |
Nippon Telegraph And Telephone Corporation |
| Fuji Television Network, Inc. |
Nippon Telegraph And Telephone East Corporation |
| Global Crossing Japan Corporation |
Nippon Telegraph And Telephone West Corporation |
| International Telecom Japan |
Nippon Television Network, Co. |
| Japan Cable Television, Ltd. |
Nortel Networks Japan |
| Japan Communications Satellite |
NTT Communications Corporation |
| Japan Telecom Co., Ltd. |
NTT Docomo Chugoku, Inc. |
| Japan Telecom Network Information |
NTT Docomo Hokkaido, Inc. |
| Jens Corporation |
NTT Docomo Hokuriku, Inc. |
| Jiho, Inc. |
NTT Docomo Kansai, Inc. |
| J-Phone Kyushu Co., Ltd. |
NTT Docomo Kyushu, Inc. |
| J-Phone West Co., Ltd. |
NTT Docomo Shikoku, Inc. |
| KDDI Corp. |
NTT Docomo Tohoku, Inc. |
| Kernel Publications Inc. |
NTT Docomo Tokai, Inc. |
| Kvh Telecom Co., Ltd. |
NTT Internet Inc. |
| M. C .C Corporation |
OBS Enterprise |
| Magnetic Communications Inc. |
Osaka Media Port Corporation |
| Mainichi Broadcasting System |
Tokyo Broadcasting System |
| Maruboshi Co., Ltd. |
Tu-Ka Phone Kansaj Inc. |
| Media Magic Inc. |
Yomiuri Telecasting Corporation |