| ENGINE-TECH GROUP LIMITED | Private company limited by shares | Dissolved |
| CS ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| ABLE LUCK ENGINEERING LIMITED | Private company limited by shares | Live |
| ALL LUCK ENGINEERING LIMITED | Private company limited by shares | Live |
| GOLDLAND ENGINEERING LIMITED | Private company limited by shares | Live |
| GOOD CHINA ENGINEERING LIMITED | Private company limited by shares | Live |
| METRO CONCEPT ENGINEERING LIMITED | Private company limited by shares | Live |
| Expert Tech Engineering Limited | Private company limited by shares | Live |
| WIN SILVER ENGINEERING LIMITED | Private company limited by shares | Live |
| TOP LUCKY ENGINEERING LIMITED | Private company limited by shares | Live |
| Pro One Engineering Limited | Private company limited by shares | Live |
| RISE TOP ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| BOSOM ENGINEERING LIMITED | Private company limited by shares | Live |
| SURE DRAGON ENGINEERING LIMITED | Private company limited by shares | Live |
| WINSKY ENGINEERING LIMITED | Private company limited by shares | Live |
| UNITED GRAND ENGINEERING LIMITED | Private company limited by shares | Live |
| SUM YUEN ENGINEERING LIMITED | Private company limited by shares | Live |
| Starfield Engineering Limited | Private company limited by shares | Live |
| HEYEE ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| KA WAH ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| TOP ENGINE INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| WELL ZONE ENGINEERING LIMITED | Private company limited by shares | Live |
| BIG TEAM CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| NEW ABLE CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| ART TOP CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| NICE SUCCESS CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| ABLE DRAGON CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| MG ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| ABP Engineering Limited | Private company limited by shares | Live |
| S.W. ENGINEERING LIMITED | Private company limited by shares | Live |
| FULL SUCCESS ENGINEERING LIMITED | Private company limited by shares | Live |
| Kin Yuan Engineering Limited | Private company limited by shares | Dissolved |
| Wing Join E&M Engineering Limited | Private company limited by shares | Dissolved |
| Yee Po Engineering Limited | Private company limited by shares | Live |
| WILBUR ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| Sky Long Engineering Company Limited | Private company limited by shares | Live |
| EXCELLENT CROWN ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| PLUTO ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| WAH KEUNG MATERIALS ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| KONG MING ENGINEERING LIMITED | Private company limited by shares | Live |
| YIXUAN ENGINEERING LIMITED | Private company limited by shares | Live |
| Triple Power Mechanical & Electrical Engineering Co. Limited | Private company limited by shares | Live |
| TEXFACT ENGINEERING LIMITED | Private company limited by shares | Live |
| LI KEUNG ENGINEERING LIMITED | Private company limited by shares | Live |
| FAVORITE CONSTRUCTION ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| Wonder i Engineering Limited | Private company limited by shares | Live |
| i-cooling Engineering Co., Limited | Private company limited by shares | Live |
| EASYRICH ENGINEERING LIMITED | Private company limited by shares | Live |
| WKS ENGINEERING LIMITED | Private company limited by shares | Live |
| NEW ONCE ENGINEERING LIMITED | Private company limited by shares | Live |
| SMARTECH ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| ASSET RICH ENGINEERING LIMITED | Private company limited by shares | Live |
| HOM TO ENGINEERING LIMITED | Private company limited by shares | Live |
| WING ART DESIGN & ENGINEERING LIMITED | Private company limited by shares | Live |
| XIN JIN JIANG ENGINEERING LIMITED | Private company limited by shares | Live |
| Chase Engineering Limited | Private company limited by shares | Live |
| Sun Hui Cleaning Engineering Limited | Private company limited by shares | Live |
| TCC ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| WAI WAH VEHICLE ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| WANG LIK DESIGN AND ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| KABO ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| AOSIF ENGINEERING LIMITED | Private company limited by shares | Live |
| DYNAIX ENGINEERING LIMITED | Private company limited by shares | Live |
| LI TAT ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| HING KEE ENGINEERING LIMITED | Private company limited by shares | Live |
| KE FAI ENGINEERING & INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| HOP LIK SCAFFOLDING ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| KIT WO DRAINAGE ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| Chan Chung Kee Engineering Company Limited | Private company limited by shares | Live |
| Land Power Engineering Co., Limited | Private company limited by shares | Live |
| HANG TAT E & M ENGINEERING LIMITED | Private company limited by shares | Live |
| Smart Success Engineering Limited | Private company limited by shares | Live |
| TIM ON REFRIGERATION ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| POCHE ENGINEERING MACHINERY LIMITED | Private company limited by shares | Dissolved |
| Wallham Construction Engineering Limited | Private company limited by shares | Live |
| MING FAI ENGINEERING LIMITED | Private company limited by shares | Live |
| Gemstone Engineering Limited | Private company limited by shares | Live |
| York HK Engineering Limited | Private company limited by shares | Live |
| TECHVANCE ENGINEERING LIMITED | Private company limited by shares | Live |
| Xin Jun Ya Engineering Company Limited | Private company limited by shares | Live |
| L-Telecom Engineering Limited | Private company limited by shares | Dissolved |
| TECHNOVATION ENGINEERING LIMITED | Private company limited by shares | Live |
| STRONG CHINA ENGINEERING LIMITED | Private company limited by shares | Live |
| CHONG KIN MACHINERY & ENGINEERING LIMITED | Private company limited by shares | Live |
| LUNG KONG ELECTRIC ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| KONG KEUNG ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| Financial Engineering Workshop Limited | Private company limited by shares | Live |
| Hing Li Engineering Co. Limited | Private company limited by shares | Live |
| EME MECHANICAL ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| Link Chain Engineering Limited | Private company limited by shares | Dissolved |
| DAO ZHENG ENGINEERING LIMITED | Private company limited by shares | Live |
| ZEN ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| WIN TOP ENGINEERING LIMITED | Private company limited by shares | Live |
| PUI LAM ENGINEERING LIMITED | Private company limited by shares | Live |
| SCORE CENTURY ENGINEERING LIMITED | Private company limited by shares | Live |
| JUNHO E&M ENGINEERING LIMITED | Private company limited by shares | Live |
| HYDRO ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| Grandasy Engineering Company Limited | Private company limited by shares | Live |
| Ming Yip Engineering Company Limited | Private company limited by shares | Live |
| NEW RISING ENGINEERING LIMITED | Private company limited by shares | Live |