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| Engine Room Global Limited | Private company limited by shares | Live |
| WORLDTIM MACHINERY ENGINEERING LIMITED | Private company limited by shares | Live |
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| WAI LUNG ENGINEERING LIMITED | Private company limited by shares | Live |
| P&G ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
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| A&E SMART ENGINEERING LIMITED | Private company limited by shares | Live |
| TAK HING ENGINEERING (HONG KONG) LIMITED | Private company limited by shares | Live |
| PRESAGE ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| KIN KEE ENGINEERING TRADING CO LIMITED | Private company limited by shares | Live |
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| ABLE NICE CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
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| RNB CONSULTANCY AND ENGINEERING LIMITED | Private company limited by shares | Live |
| LOK YUEN ENGINEERING LIMITED | Private company limited by shares | Live |