| IRIDA LIMITED | Private company limited by shares | Live |
| IRIDEON GROUP LIMITED | Private company limited by shares | Dissolved |
| Iridescent Limited | | Live |
| IRIDESCENT DIAMONDS LIMITED | Private company limited by shares | Live |
| Iridescentcloud Technology Company Limited | Private company limited by shares | Live |
| IRIDING (HONGKONG) TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| IRIDIUM LIMITED | Private company limited by shares | Dissolved |
| Iridium Limited | Private company limited by shares | Live |
| IRIDIUM CAPITAL LIMITED | Private company limited by shares | Live |
| CAPTAIN IRIDIUM LIMITED | Private company limited by shares | Live |
| IRIDIUM CHINA (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| Iridium Consulting Limited | Private company limited by shares | Live |
| IRIDIUM INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| Iridium Energy (Hong Kong) Co., Limited | Private company limited by shares | Dissolved |
| Iridium Management Co., Limited | Private company limited by shares | Live |
| IRIDIUM MANUFACTURING GROUP LIMITED | Private company limited by shares | Live |
| IRIDIUM-x LIMITED | Private company limited by shares | Live |
| HK Sinus Iridum Engineering Investment & Consulting Company Limited | Private company limited by shares | Live |