| SUPREMACY LIMITED | Private company limited by shares | Live |
| Supremacy Electrical Appliance (HK) Limited | Private company limited by shares | Live |
| SUPREMACY AVIATION HOLDINGS LIMITED | Private company limited by shares | Live |
| SUPREMACY AVIATION HOLDINGS LIMITED | Private company limited by shares | Live |
| SUPREMACY CONSULTING LIMITED | Private company limited by shares | Live |
| CORPORATE SUPREMACY COMPANY LIMITED | Private company limited by shares | Live |
| SUPREMACY MARINE CRANES LIMITED | Private company limited by shares | Dissolved |
| SUPREMACY DEVELOPMENT CONSULTANT & MANAGEMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| Supremacy Energy Limited | | Live |
| Supremacy Materials and Equipment Co., Limited | Private company limited by shares | Live |
| GOLDEN SUPREMACY LIMITED | Private company limited by shares | Live |
| SUPREMACY GROUP LIMITED | Private company limited by shares | Live |
| Supremacy (HK) Limited | | Live |
| SUPREMACY ENTERPRISE (HK) LIMITED | Private company limited by shares | Live |
| Hong Kong New Supremacy Co., Limited | Private company limited by shares | Live |
| YL SUPREMACY INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Live |
| Global Supremacy International Limited | Private company limited by shares | Live |
| SUPREMACY HOLDING INTERNATIONAL (HK) LIMITED | Private company limited by shares | Dissolved |
| Power Supremacy Investment Limited | Private company limited by shares | Live |
| SUPREMACY INVESTMENTS LIMITED | Private company limited by shares | Live |
| SUPREMACY MANUFACTURING LIMITED | Private company limited by shares | Dissolved |
| SUPREMACY MEDICAL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SUPREMACY SHOJI COMPANY LIMITED | Private company limited by shares | Dissolved |
| INE SUPREMACY TRADEING LIMITED | Private company limited by shares | Live |
| SUPREMACY TRADING LIMITED | Private company limited by shares | Dissolved |
| SUPREMACY TRADING COMPANY LIMITED | Private company limited by shares | Live |
| Supremacy Ventures Limited | Private company limited by shares | Live |
| SUPREMAX LIMITED | Private company limited by shares | Dissolved |