| PAK KEE (1968) LIMITED | Private company limited by shares | Live |
| DORIA (1968) LIMITED | Private company limited by shares | Dissolved |
| R. & D. PRODUCTS (1968) LIMITED | Private company limited by shares | Dissolved |
| STUDIO 1968 INTERNATIONAL TRADING CO., LIMITED | Private company limited by shares | Live |
| Company Registration Number 1968016 Limited | Private company limited by shares | Live |
| 開地珠寶(香港)投資有限公司 | Private company limited by shares | Live |
| TIE LIMITED | Company limited by guarantee | Dissolved |
| SU ME COMPANY LIMITED | Private company limited by shares | Live |
| WAN TIN LIMITED | Private company limited by shares | Dissolved |
| PSU COMPANY LIMITED | Private company limited by shares | Live |
| Company Registration Number 1968498 Limited | Private company limited by shares | Dissolved |
| Company Registration Number 1968522 Limited | Private company limited by shares | Live |
| KCK Co. Limited | Private company limited by shares | Live |
| WIN AD COMPANY LIMITED | Private company limited by shares | Live |
| MA AND KDP LIMITED | Private company limited by shares | Live |
| LCK LIMITED | Private company limited by shares | Dissolved |