| SK APTech Limited | Private company limited by shares | Live |
| APTECH AUTOMATION LIMITED | Private company limited by shares | Dissolved |
| APTECH CO., LIMITED | Private company limited by shares | Live |
| APTECH (HK) LIMITED | Private company limited by shares | Live |
| AP-TECH INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| APTECH BUSINESS SOLUTION LIMITED | Private company limited by shares | Live |
| APTECH INTERNATIONAL TRADING & INVESTMENT CO., LIMITED | Private company limited by shares | Dissolved |
| Apteka International Co., Limited | | Live |
| APTER POWER LIMITED | | Live |
| APTERYX LIMITED | Private company limited by shares | Dissolved |
| APTERYX INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| APTEX Limited | Private company limited by shares | Live |
| APTEX TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |