| 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 |
责任编辑：mman
