| INTRONLYTIC LIMITED | | Live |
| INTRO-PEACE LIMITED | Private company limited by shares | Dissolved |
| INTRO-PEARL COMPANY LIMITED | Private company limited by shares | Dissolved |
| INTRO-PEARL DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| INTRO-PEARL ELECTRONIC LIMITED | Private company limited by shares | Dissolved |
| INTRO-PEARL RESOURCES LIMITED | Private company limited by shares | Dissolved |
| INTRO-PROSPER LIMITED | Private company limited by shares | Dissolved |
| INTRO-PURSE LIMITED | Private company limited by shares | Dissolved |
| INTRO-RAY INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| INTRO-SOURCE LIMITED | Private company limited by shares | Dissolved |
| Introtainer Limited | Private company limited by shares | Live |
| INTROTECH LIMITED | Private company limited by shares | Live |
| INTRO-TECH CENTRE LIMITED | Private company limited by shares | Dissolved |
| INTRO-TECH ELECTRONIC LIMITED | Private company limited by shares | Dissolved |
| INTRO-TECH TECHNOLOGY LIMITED | Private company limited by shares | Live |
| INTRO-TEEM INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| INTROTEX COMPANY LIMITED | Private company limited by shares | Live |
| INTRO-TIDE LIMITED | Private company limited by shares | Dissolved |
| INTRO-TIME LIMITED | Private company limited by shares | Dissolved |
| INTRO-TRADE LIMITED | Private company limited by shares | Dissolved |
| INTRO-UNION TRADING LIMITED | Private company limited by shares | Live |
| INTRO-USE LIMITED | Private company limited by shares | Dissolved |
| Introv Limited | Private company limited by shares | Live |
| Introv China Limited | Private company limited by shares | Dissolved |
| INTRO-VIM COMPANY LIMITED | Private company limited by shares | Dissolved |
| INTROWALL LIMITED | Private company limited by shares | Dissolved |
| INTROWAY LIMITED | Private company limited by shares | Dissolved |
| INTRO-WEALTH LIMITED | Private company limited by shares | Dissolved |
| INTROWELL LIMITED | Private company limited by shares | Dissolved |
| INTROWELL LIMITED | Private company limited by shares | Live |
| INTROWELL INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| INTRO-WELL SHIPPING LIMITED | Private company limited by shares | Dissolved |
| INTROWELL TRANSPORTATION LIMITED | Private company limited by shares | Live |
| INTRO-WIN LIMITED | Private company limited by shares | Live |
| INTROWIN ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| INTRO-WIN INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| INTRO-WISE LIMITED | Private company limited by shares | Live |
| Introworld H.K Limited | Private company limited by shares | Live |
| INTRO-WORLD INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| IN-TRUE LIMITED | Private company limited by shares | Live |
| SUN Industrial Intruments Manufacturing & Supply Limited | | Live |