Shared use Group Companies
- TOKAI Holdings Corporation
- TOKAI CORPORATION
- TOKAI Communications Corporation
- TOKAI GAS CORPORATION
- TOKAI Cable Network Corporation
- TOKAI Venture Capital & Incubation Corporation
- ICHIHARA CABLE TELEVISION CORPORATION
- ATSUGI ISEHARA CABLE NETWORK CORPORATION
- LCV CORPORATION
- KURASHIKI CABLE TELEVISION Inc
- Toco Channel Shizuoka Corporation
- Tokyo Bay Network Co.,Ltd.
- Cable Television Tsuyama Co., Ltd.
- SENDAI CATV Co., Ltd.
- Energy Line Corporation
- NIKAHO GAS CORPORATION
- Tokaizosen-unyu Corporation
- TOKAI City Service Corporation
- TOKAI Management Service Corporation