| RED SIRIUS ECOMMERCE LIMITED | Private company limited by shares | Live |
| SIRIUS ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| SIRIUS ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| Sirius Enterprises Limited | | Live |
| Sirius Entertainment Limited | Private company limited by shares | Live |
| SIRIUS FOOTWEAR LIMITED | Private company limited by shares | Live |
| Sirius Gear Company Limited | Private company limited by shares | Live |
| GOLD SIRIUS COMPANY LIMITED | Private company limited by shares | Live |
| Sirius Homz Company Limited | Private company limited by shares | Live |
| Sirius Investment Limited | Private company limited by shares | Live |
| Sirius Investment HK Limited | Private company limited by shares | Live |
| Sirius FX Investments Limited | Private company limited by shares | Live |
| Sirius Resources Limited | Private company limited by shares | Live |
| SIRIUS SHIPPING LIMITED | Private company limited by shares | Dissolved |
| Sirius Technik Limited | Private company limited by shares | Live |
| Sirius Three Limited | Private company limited by shares | Live |
| SIRIUS TRADE LIMITED | Private company limited by shares | Live |
| Sirius Zone Limited | | Live |
| Siriusnet Limited | | Live |
| SIRIUS-SOLAR LIMITED | Private company limited by shares | Dissolved |
| SIRIUSTAR INVESTMENT LIMITED | Private company limited by shares | Live |
| MEXICO SIRIUSTEX LIMITED | Private company limited by shares | Live |
| SiriVision Communication Technology Co., Limited | Private company limited by shares | Live |
| Sulduz General Dis Ticaret Sirketi Limited | | Live |
| SIRLANE LIMITED | Private company limited by shares | Live |
| SIRLOIN COMPANY LIMITED | Private company limited by shares | Dissolved |
| YIWU SIRMAN JEWELRY CO., LIMITED | Private company limited by shares | Live |
| SIRN HK LIMITED | | Live |
| SIRNA PACIFIC COMPANY LIMITED | Private company limited by shares | Dissolved |
| SIRO LIMITED | Private company limited by shares | Dissolved |
| SAN SIRO LIMITED | Private company limited by shares | Live |
| SIROCCO COMPANY LIMITED | Private company limited by shares | Dissolved |
| SIROCCO LIMITED | Private company limited by shares | Dissolved |
| SIROCCO COMPANY LIMITED | Private company limited by shares | Dissolved |
| SIROCCO CAPITAL LIMITED | Private company limited by shares | Live |
| SIROCCO GROUP LIMITED | Private company limited by shares | Dissolved |
| Sirocco Service Group Limited | | Live |
| SIROCCO INVESTMENTS LIMITED | Private company limited by shares | Live |
| SIROCCO TECHNOLOGIES (HK) GROUP LIMITED | Private company limited by shares | Dissolved |
| SIROCCO TRADING COMPANY LIMITED | Private company limited by shares | Live |
| Siroccoworld Enterprise Company Limited | Private company limited by shares | Live |
| SIROFIL HONG KONG LIMITED | Private company limited by shares | Dissolved |
| VIBAR DOO SIROKI BRIJEG LIMITED | Private company limited by shares | Live |
| Sirolink Limited | Private company limited by shares | Live |
| Sirom Plastic Limited | Private company limited by shares | Live |
| SIRON (H.K) CO., LIMITED | Private company limited by shares | Dissolved |
| SIRON INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| Sirona Limited | Private company limited by shares | Dissolved |
| Sirona Capital Limited | Private company limited by shares | Live |
| Dentsply Sirona Limited | Private company limited by shares | Live |
| Sirona Dental Systems (HK) Limited | Private company limited by shares | Live |
| SIRONI C.I.S. LIMITED | Private company limited by shares | Live |
| SIROYA COLLECTIONS (HK) LIMITED | Private company limited by shares | Live |
| SIRP Far East Limited | Private company limited by shares | Live |
| SIRPOLE LIMITED | Private company limited by shares | Live |
| Da Di Sirrah Trump Limited | Private company limited by shares | Live |
| Sirretta Limited | Private company limited by shares | Live |
| Sirri Exim Limited | Private company limited by shares | Live |
| CRS - SIRRINE ASIA LIMITED | Private company limited by shares | Dissolved |
| SIRROCCO INDUSTRY LIMITED | Private company limited by shares | Live |
| Sirrus, Limited | Private company limited by shares | Live |
| SIRS Holding Group Limited | Private company limited by shares | Live |
| SIRS INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SIRSG RESOURCES LIMITED | Private company limited by shares | Live |
| SIRTRON SUPPLY CHAIN MANAGEMENT LIMITED | Private company limited by shares | Live |
| HK SIRUI LIMITED | Private company limited by shares | Dissolved |
| SiRui Interactive Limited | | Live |
| SIRUIFU TRADING LIMITED | Private company limited by shares | Live |
| SIRUIJIE INDUSTRY (HONGKONG) CO., LIMITED | Private company limited by shares | Live |
| SiRun Limited | Private company limited by shares | Live |
| HK SIRUO CHEMISTRY INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| HK SIRUOFEI CLOTHES COMPANY LIMITED | Private company limited by shares | Dissolved |
| SirusWay Limited | Private company limited by shares | Live |
| SIRVIN RESOURCES CO., LIMITED | Private company limited by shares | Dissolved |
| SIRWAY LIMITED | Private company limited by shares | Dissolved |
| SIRWELL INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SIRWERN INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SIRWINA COMPANY LIMITED | Private company limited by shares | Dissolved |
| SIRWON COMPANY LIMITED | Private company limited by shares | Dissolved |
| LILING SIRY HOMEWARE CO., LIMITED | Private company limited by shares | Live |