| INTERRA TRADE LIMITED | Private company limited by shares | Live |
| INTERRANGE LIMITED | Private company limited by shares | Dissolved |
| Interras Limited | Private company limited by shares | Live |
| INTERREGIO COMPANY LIMITED | Private company limited by shares | Dissolved |
| INTER-REGION (HONG KONG) LIMITED | Private company limited by shares | Live |
| INTER-REGIONAL LIMITED | Private company limited by shares | Dissolved |
| Interrelation Investment Co., Limited | Private company limited by shares | Live |
| INTERRESOURCES LIMITED | Private company limited by shares | Dissolved |
| INTERRICH LIMITED | Private company limited by shares | Dissolved |
| INTER-RICH INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| INTERRIG & SLING COMPANY LIMITED | Private company limited by shares | Live |
| INTERRISK (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| INTER-ROAD LIMITED | Private company limited by shares | Dissolved |
| INTERROBANG CO., LIMITED | Private company limited by shares | Live |
| INTERROCK DEVELOPMENT LIMITED | Private company limited by shares | Live |
| Interrock Capital Holdings Limited | Private company limited by shares | Live |
| Interrock Investment Management Company Limited | Private company limited by shares | Live |
| INTER-ROLLER CO., LIMITED | Private company limited by shares | Live |
| INTER-ROLLER GROUP LIMITED | Private company limited by shares | Dissolved |
| INTER-ROLLER TRADING CO., LIMITED | Private company limited by shares | Live |
| INTER-ROYAL CO., LIMITED | Private company limited by shares | Dissolved |