| KITAK IRONS WORKS COMPANY LIMITED | Private company limited by shares | Live |
| IRONS SPORT LIMITED | Private company limited by shares | Live |
| IRONSHOE LIMITED | Private company limited by shares | Live |
| Ironshore Hong Kong Limited | Private company limited by shares | Live |
| IRONSIDE LIMITED | Private company limited by shares | Dissolved |
| IRONSKY LIMITED | Private company limited by shares | Live |
| SMART IRONSMITH LIMITED | Private company limited by shares | Live |
| Ironsogon Global Limited | Private company limited by shares | Live |
| IRONSTEEL LIMITED | Private company limited by shares | Live |
| Ironstone Industrial Co., Limited | | Live |
| GNG IRONSTONE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| IRONSTONE INVESTMENTS LIMITED | Private company limited by shares | Live |
| IRONSTORM LIMITED | Private company limited by shares | Dissolved |