| ACETEC LIMITED | Private company limited by shares | Live |
| ACETEC C & E LIMITED | Private company limited by shares | Live |
| ACE-TEC (HK) CO., LIMITED | Private company limited by shares | Dissolved |
| ACETEC ELECTRONICS CO., LIMITED | Private company limited by shares | Live |
| ACETEC INTERNATIONAL ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| ACETEC INTERNATIONAL (ENTERPRISES) LIMITED | Private company limited by shares | Live |
| ACETEC INDUSTRIAL CO. LIMITED | Private company limited by shares | Live |
| ACE-TEC INDUSTRY & TRADE CO., LIMITED | Private company limited by shares | Live |
| ACETEC INTERNATIONAL LIMITED | Private company limited by shares | Live |
| ACETECH COMPANY LIMITED | Private company limited by shares | Dissolved |
| ACETECH LIMITED | Private company limited by shares | Live |
| ACETECH ENGINEERING PLASTIC CO., LIMITED | Private company limited by shares | Dissolved |
| AceTech Engineering Limited | Private company limited by shares | Live |
| ACETECH ENTERPRISES COMPANY LIMITED | Private company limited by shares | Dissolved |
| ACE-TECH GROUP LIMITED | | Live |
| ACETech (Hong Kong) Limited | Private company limited by shares | Live |
| ACETECH (HONG KONG) TEXTILES LIMITED | Private company limited by shares | Live |
| ACETECH INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| ACETECH INDUSTRIAL LIMITED | Private company limited by shares | Live |
| ACETECH INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| ACETECH SILICONES COMPANY LIMITED | Private company limited by shares | Live |
| ACETECH SOLUTIONS LIMITED | Private company limited by shares | Live |
| ACETECH ENTERPRISE (TAIWAN) LIMITED | Private company limited by shares | Dissolved |
| ACE-TECHNIK LIMITED | Private company limited by shares | Dissolved |
| ACETECHVENTURES LIMITED | | Live |