| Member Companies | Member's Links | 
| MYLINE | MYLINE Carriers Association | 
| Ministry of Public Management, Home Affairs,
 Post and Telecommunications
 | Ministry of Public Management, Home Affairs, Post and Telecommunications | 
| Institute for Information and Communications Policy | 
| National Institute of Information and Communications Technology (NICT) | 
| Related Organizations | Internet Association Japan | 
| Japan ICANN Forum | 
| The Telecommunication Technology Committee | 
| Communications and Information network Association of Japan | 
| Telecom Services Association | 
| THE TELECOMMUNICATIONS ASSOCIATION | 
| Johotsushin Shinkou-Kai | 
| Japan Approvals Institute for Telecommunications Equipment | 
| The Telecommunications Advancement Foundation | 
| Japan Electronics and Information Technology Industries Association | 
| Association of Radio Industries and Businesses | 
| Vehicle Information and Communication System | 
| The ITU Association of Japan INC | 
| JAPAN INTERNET PROVIDERS ASSOCIATION | 
| Japan Cable and Telecommunications Association | 
| Japan Data Communications Association | 
| Japan Radio Institute | 
| Foundation for MultiMedia Communications | 
| Mobile Content Forum | 
| Promotion Conference of Harmonization of Advanced Telecommunication Systems | 
| Network Security | IPA/Information-technology SEcurity Center | 
| Trend Micro, Inc. | 
| McAfee, Inc. | 
| Symantec Corporation | 
| CSE Co.,ltd. | 
| CERT/CC | 
| @police | 
| Information BarrierFree | Info-communication Access Council |