| Company Name | Type | Status |
|---|---|---|
| WELLIT LIGHTING CO., LIMITED | Private company limited by shares | Live |
| WELLIT TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| WELLITE LIMITED | Private company limited by shares | Dissolved |
| WELLITONE COMPANY LIMITED | Private company limited by shares | Dissolved |
| WELLITRONIC CO., LIMITED | Private company limited by shares | Live |