|Description of Business||GIS (Geographic Information System) service|
BB Backbone Corporation
|Description of Business||Provision of backbone network|
|Description of Business||Provision of Internet Exchange (IX) business, and native IPv6 Internet connection service|
Green Field Co.,Ltd.
|Description of Business||Design, installation and maintenance of telecommunication system facilities facilitating an advanced information society / Design and installation of power line and various electrical equipments for buildings and communication facilities|