| Company | Major role |
| Mitsubishi Research Institute, Inc. |
Project management, evaluation,
Information transmission |
| Argo 21 Corp. |
Support service in Gifu district |
| Canon Inc. |
Support service in Tsukuba district (Printers) |
| Sun Microsystems K.K. |
Support service in Tsukuba district (Linux
OS, StarSuite (StarOffice)) |
| Justsystem Corporation |
Support Service (Ichitaro, a Japanese word
processor) |
| SHARP System Products Co., Ltd. |
Support Service (Collaborative learning system) |
| IBM Japan |
Development of the classroom PC management system |
| Turbolinux, Inc. |
Support service in Gifu district (Linux OS) |
| Business Search Technologies Corporation |
Support service in Tsukuba district |