| SUN FAIR CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| KO CHI ENGINEERING LIMITED | Private company limited by shares | Live |
| Top Trillion Engineering Company Limited | Private company limited by shares | Live |
| ON DA ENGINEERING LIMITED | Private company limited by shares | Live |
| Wynnty Engineering (Hong Kong) Limited | Private company limited by shares | Live |
| Ark Engineering Limited -The- | Private company limited by shares | Live |
| BIO ENGINEERING LIMITED | Private company limited by shares | Live |
| WING TAT ENGINEERING CONSTRUCTION LIMITED | Private company limited by shares | Live |
| EASY WIN ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| YING LI ENGINEERING LIMITED | Private company limited by shares | Live |
| Cheuk Yee Engineering Limited | Private company limited by shares | Live |
| WAI YING ENGINEERING LIMITED | Private company limited by shares | Live |
| Joinmax Engineering Company Limited | Private company limited by shares | Live |
| GREEN ENGINEERING (HONG KONG) HOLDING LIMITED | Private company limited by shares | Live |
| Y.M.W ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| K Production & Engineering Company Limited | Private company limited by shares | Live |
| ALLIANCE ENGINEERING AND DESIGN LIMITED | Private company limited by shares | Live |
| YUEN LONG ENGINEERING LIMITED | Private company limited by shares | Live |
| BASEMART ENGINEERING (HONG KONG) LIMITED | Private company limited by shares | Live |
| WIN ASIA ENGINEERING LIMITED | Private company limited by shares | Live |
| VOGEL ENGINEERING LIMITED | Private company limited by shares | Live |
| Mei Hing Engineering Limited | Private company limited by shares | Live |
| Y'O DESIGN & ENGINEERING LIMITED | Private company limited by shares | Live |
| DRAGONWAY CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| SAM Force Engineering Limited | Private company limited by shares | Live |
| TIN YAU ENGINE TECHNOLOGY LIMITED | Private company limited by shares | Live |
| MING WAI (CONSTRUCTION) ENGINEERING LIMITED | Private company limited by shares | Live |
| Handerun Hauling Engineering Limited | Private company limited by shares | Live |
| Vision Electronic Engineering Company Limited | Private company limited by shares | Live |
| POLARBEAR ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| A Plus Construction Engineering Company Limited | Private company limited by shares | Live |
| Hao Long Engineering Co., Limited | Private company limited by shares | Live |
| Rich Wealth E&M Engineering Limited | Private company limited by shares | Live |
| SUM YUEN CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| Suk Lik Construction Engineering Limited | Private company limited by shares | Live |
| GRACE MATERIAL ENGINEERING LIMITED | Private company limited by shares | Live |
| YAN'S BOAT CONSTRUCTION ENGINEERING CO, LIMITED | Private company limited by shares | Live |
| Hoi Sung Engineering Company Limited | Private company limited by shares | Live |
| WING YIU ENGINEERING (MECHANICAL & ELECTRICAL) COMPANY LIMITED | Private company limited by shares | Live |
| TOP RISING ENGINEERING LIMITED | Private company limited by shares | Live |
| Best mix technology engineering company Limited | Private company limited by shares | Live |
| SHANGHAI PEOPLE WATER-PUMP ENGINEERING LIMITED | Private company limited by shares | Live |
| MILLIONS MARBLE ENGINEERING LIMITED | Private company limited by shares | Live |
| Tanken Engineering Co. Limited | Private company limited by shares | Live |
| KO LONG GAS ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| GOOD FORTUNE ENGINEERING LIMITED | Private company limited by shares | Live |
| HC Engineering & Construction Company Limited | Private company limited by shares | Live |
| CRAFTS ENGINEERING LIMITED | Private company limited by shares | Live |
| CK CONSTRUCTION ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| LC ENGINEERING LIMITED | Private company limited by shares | Live |
| WING KA ENGINEERING LIMITED | Private company limited by shares | Live |
| SUN HOP ENGINEERING LIMITED | Private company limited by shares | Live |
| Kam Chin Engineering Limited | Private company limited by shares | Live |
| Grand Fame Engineering & Manufacturing Limited | Private company limited by shares | Live |
| ABLE WEALTH CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| Full Honor Engineering Limited | Private company limited by shares | Live |
| Smile Engine Company Limited | Private company limited by shares | Live |
| Sai Tai Engineering Limited | Private company limited by shares | Live |
| 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 |
| ENGINE YANG TRADING 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 |
| First Engine 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 |