| POWER THREE STRUCTURAL ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| FASTUP STAR ENGINEERING LIMITED | Private company limited by shares | Live |
| Eastern Technology Engineering Limited | Private company limited by shares | Live |
| MING ENGINEERING LIMITED | Private company limited by shares | Live |
| Chong Lee Engineering Limited | Private company limited by shares | Live |
| ONE ZENITH DESIGN ENGINEERING LIMITED | Private company limited by shares | Live |
| Vast Mechanical and Electrical Engineering Co Limited | Private company limited by shares | Live |
| I CAN DESIGN ENGINEERING LIMITED | Private company limited by shares | Live |
| GOOD BASIS ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| HKT ENGINEERING LIMITED | Private company limited by shares | Live |
| BOYI ENGINEERING LIMITED | Private company limited by shares | Live |
| Lap Yip Construction Engineering Limited | Private company limited by shares | Live |
| ITECH Construction & Engineering Limited | Private company limited by shares | Live |
| WANG ON CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| FULL NICE ENGINEERING LIMITED | Private company limited by shares | Live |
| RICH WISE ENGINEERING LIMITED | Private company limited by shares | Live |
| ABLE FAME ENGINEERING LIMITED | Private company limited by shares | Live |
| WELL RISE ENGINEERING LIMITED | Private company limited by shares | Live |
| Ying Sai Motor Engineering Limited | Private company limited by shares | Live |
| Hei Ka Engineering Limited | Private company limited by shares | Live |
| New Star Machinery Engineering Company Limited | Private company limited by shares | Live |
| New Star E&M Engineering Company Limited | Private company limited by shares | Live |
| Resources Construction & Engineering Co., Limited | Private company limited by shares | Live |
| KAYI Engineering Limited | Private company limited by shares | Live |
| Vansun Engineering Co., Limited | Private company limited by shares | Live |
| KIU SAN E&M ENGINEERING CO. LIMITED | Private company limited by shares | Live |
| POR KEE ELECTRICAL ENGINEERING CO LIMITED | Private company limited by shares | Live |
| H&F Engineering Limited | Private company limited by shares | Dissolved |
| M Cube Engineering Limited | Private company limited by shares | Live |
| Forex Engineering Limited | Private company limited by shares | Live |
| HAPPY CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| YING YIP ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| HK ZHONGXINQI ENGINEERING LIMITED | Private company limited by shares | Live |
| HOP YUEN ENGINEERING LIMITED | Private company limited by shares | Live |
| Prosafe Engineering Limited | Private company limited by shares | Live |
| VV ENGINEERING & DESIGN COMPANY LIMITED | Private company limited by shares | Live |
| MAINTECH ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| Diligent Group Engineering Limited | Private company limited by shares | Live |
| Chong Chi Construction Engineering Limited | Private company limited by shares | Live |
| RT AI Engineering Limited | Private company limited by shares | Live |
| CP CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| Hot Wing Engineering (Hong Kong) Co., Limited | Private company limited by shares | Live |
| One Yuet Engineering Limited | Private company limited by shares | Live |
| WANG CHUNG ENGINEERING LIMITED | Private company limited by shares | Live |
| Kwan Lui Firetech Engineering Limited | Private company limited by shares | Live |
| Linkage System Engineering Limited | Private company limited by shares | Live |
| CCL Engineering Company Limited | Private company limited by shares | Live |
| Kai Hip Engineering Company Limited | Private company limited by shares | Live |
| WING FAI ENGINEERING CONSTRUCTION LIMITED | Private company limited by shares | Live |
| RAY'S ENGINEERING LIMITED | Private company limited by shares | Live |
| TIP TOP ENGINEERING LIMITED | Private company limited by shares | Live |
| STARZ ENGINEERING LIMITED | Private company limited by shares | Live |
| TAT NGAI ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| New Notion Design & Engineering Company Limited | Private company limited by shares | Live |
| Glorious Power Engineering Limited | Private company limited by shares | Live |
| MOUNTAINTOP ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| WS AIR CONDITIONING & ELECTRICAL ENGINEERING CO. LIMITED | Private company limited by shares | Live |
| Wai Pak E&M Engineering Company Limited | Private company limited by shares | Live |
| Trendwell Engineering Company Limited | Private company limited by shares | Live |
| B & A Engineering Limited | Private company limited by shares | Live |
| Asia Rich Metal Engineering Limited | Private company limited by shares | Live |
| LIKE FACTORY ENGINEERING LIMITED | Private company limited by shares | Live |
| Royal Century Engineering Limited | Private company limited by shares | Live |
| H H ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| TSV ENGINEERING LIMITED | Private company limited by shares | Live |
| SUNNIC CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| SUNNY CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| LOK SHENG ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| Min Kee Engineering Limited | Private company limited by shares | Live |
| Lee Bin Kee Engineering Limited | Private company limited by shares | Live |
| KK ENGINEERING INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| J&R Engineering Co. Limited | Private company limited by shares | Live |
| VARDA ENGINEERING LIMITED | Private company limited by shares | Live |
| AYC ENGINEERING LIMITED | Private company limited by shares | Live |
| Smart Master Engineering Limited | Private company limited by shares | Live |
| Car Car Engineering Limited | Private company limited by shares | Live |
| 672 ENGINEERING LIMITED | Private company limited by shares | Live |
| Is Fun Electrical Engineering Company Limited | Private company limited by shares | Live |
| BUSY BEE DESIGN & ENGINEERING LIMITED | Private company limited by shares | Live |
| HK WEIYE ENGINEERING LIMITED | Private company limited by shares | Live |
| CHAMPION TIME ENGINEERING LIMITED | Private company limited by shares | Live |
| Centillion Engineering Limited | Private company limited by shares | Live |
| Tin Lee Metal Engineering Company Limited | Private company limited by shares | Live |
| ABLE GRAND ENGINEERING LIMITED | Private company limited by shares | Live |
| RICH WEALTH CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| MAX NICE ENGINEERING LIMITED | Private company limited by shares | Live |
| MULTI-SUCCESS ENGINEERING LIMITED | Private company limited by shares | Live |
| EE ENGINEERING LIMITED | Private company limited by shares | Live |
| S&K Engineering And Manufacturing Co., Limited | Private company limited by shares | Live |
| YUET TUNG ENGINEERING LIMITED | Private company limited by shares | Live |
| Power Dragon Construction Engineering Limited | Private company limited by shares | Live |
| PAK LAM ENGINEERING LIMITED | Private company limited by shares | Live |
| Million Works Engineering Limited | Private company limited by shares | Live |
| FU TONG ENGINEERING & CONSTRUCTION LIMITED | Private company limited by shares | Live |
| Wing Tai Engineering (Hong Kong) Limited | Private company limited by shares | Live |
| Peak Engineering Company Limited | Private company limited by shares | Live |
| WINKA HYDRAULIC AND ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| Kinpo Air-Condition Engineering Limited | Private company limited by shares | Live |
| Royal On Engineering Company Limited | Private company limited by shares | Live |
| Yuk Siu Engineering Co., Limited | Private company limited by shares | Live |