| BUSY TEAM LIMITED | Private company limited by shares | Dissolved |
| TECH BUSY LIMITED | Private company limited by shares | Dissolved |
| BUSY THREAD MANUFACTURER LIMITED | Private company limited by shares | Dissolved |
| BUSY TIME LIMITED | Private company limited by shares | Dissolved |
| BUSY TIME LIMITED | Private company limited by shares | Live |
| BUSY TRADE LIMITED | Private company limited by shares | Dissolved |
| BUSY TRADE LIMITED | Private company limited by shares | Live |
| BUSY TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| BUSY WIN TRADING LIMITED | Private company limited by shares | Live |
| BUSY FOCUS TRADING LIMITED | Private company limited by shares | Dissolved |
| BUSY TRADE TRADING LIMITED | Private company limited by shares | Dissolved |
| BUSY PEACE TRANSPORTATION LIMITED | Private company limited by shares | Dissolved |
| UNITRADE BUSY LIMITED | Private company limited by shares | Live |
| VICTORY BUSY LIMITED | Private company limited by shares | Live |
| BUSY WEALTH COMPANY LIMITED | Private company limited by shares | Live |
| WEALTH BUSY LIMITED | Private company limited by shares | Dissolved |
| WELL BUSY LIMITED | Private company limited by shares | Live |
| BUSY WELL LIMITED | Private company limited by shares | Dissolved |
| BUSY WELL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| BUSYAN ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| BUSYBEE PRODUCTION LIMITED | Private company limited by shares | Live |
| BUSYCOURT LIMITED | Private company limited by shares | Live |
| BUSYDOOR COMPANY LIMITED | Private company limited by shares | Dissolved |
| BUSYEAR COMPANY LIMITED | Private company limited by shares | Dissolved |
| BUSYFAME TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| BUSYHALL LIMITED | Private company limited by shares | Dissolved |
| BUSYINFO.COM LIMITED | Private company limited by shares | Dissolved |
| BUSYKING COMPANY LIMITED | Private company limited by shares | Dissolved |
| BUSYLAND COMPANY LIMITED | Private company limited by shares | Dissolved |
| BUSYLUCK LIMITED | Private company limited by shares | Dissolved |
| BUSYLUCK DEVELOPMENT LIMITED | Private company limited by shares | Live |
| BUSYLUCK INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| BUSYLUNIX HK Limited | Private company limited by shares | Dissolved |
| BUSYMAN INVESTMENTS LIMITED | Private company limited by shares | Live |
| BUSYPLUS LIMITED | Private company limited by shares | Dissolved |
| BUSY-RICH INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| BUSYSHOP LIMITED | Private company limited by shares | Dissolved |
| BUSYSTONE COMPANY LIMITED | Private company limited by shares | Live |
| BUSYTIME INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| BUSYTRADE.COM LIMITED | Private company limited by shares | Live |
| BUSYTRANS SHIPPING LIMITED | Private company limited by shares | Dissolved |
| BUSYWISE LIMITED | Private company limited by shares | Dissolved |
| BUSYWORK LIMITED | Private company limited by shares | Dissolved |
| BUSYWORLD ENGINEERING LIMITED | Private company limited by shares | Dissolved |