| UNITED CHINESE AUTOMOTIVE ENGINE COOLING COMPONENTS CO. LIMITED | Private company limited by shares | Live |
| PROAV ENGINEERING LIMITED | Private company limited by shares | Live |
| OBC Engineering Company Limited | Private company limited by shares | Live |
| Jie Cheng Liang Hua Engineering Company Limited | Private company limited by shares | Dissolved |
| BOND ENGINEERING (HONG KONG) LIMITED -THE- | Private company limited by shares | Live |
| KOON TAT ENGINEERING LIMITED | Private company limited by shares | Live |
| LOLLY ENGINEERING CO., LIMITED | Private company limited by shares | Dissolved |
| Bass Engineering Co., Limited | Private company limited by shares | Live |
| GAME ENGINE LIMITED | Private company limited by shares | Dissolved |
| MAK YIP ENGINEER COMPANY LIMITED | Private company limited by shares | Live |
| Jumeirah Construction And Engineering Limited | Private company limited by shares | Live |
| Yaukie Engineering Limited | Private company limited by shares | Live |
| CHAU'S Structural Engineering Co., Limited | Private company limited by shares | Live |
| ABL ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| NAM TUNG ENGINEERING LIMITED | Private company limited by shares | Live |
| CURA ENGINEERING & TRADING LIMITED | Private company limited by shares | Live |
| CHAIN LINK ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| AM ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| ENGINE SMART LIMITED | Private company limited by shares | Live |
| HK ZG CONSTRUCTION ENGINEERING CONSULTING CO., LIMITED | Private company limited by shares | Live |
| TMC Engineering and Trade Limited | Private company limited by shares | Live |
| BEST TEAM ENGINEERING LIMITED | Private company limited by shares | Live |
| LIYA MARINE ENGINEERING LIMITED | Private company limited by shares | Live |
| ACE E&M ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| Top Precision Engineering Co., Limited | Private company limited by shares | Live |
| Ingenuity Engineering Construction Limited | Private company limited by shares | Live |
| Engineering Office for Chemistry and Technology Limited | Private company limited by shares | Live |
| CHEUK WANG ENGINEERING LIMITED | Private company limited by shares | Live |
| ELMETEC ENGINEERING Limited | Private company limited by shares | Live |
| Engine2go Limited | Private company limited by shares | Live |
| CHUNG KEY WELDING ENGINEERING LIMITED | Private company limited by shares | Live |
| Permanent Fat Engineering (Hong Kong) Co., Limited | Private company limited by shares | Live |
| CROWN TEAM ENGINEERING LIMITED | Private company limited by shares | Live |
| GOOD FAME ENGINEERING LIMITED | Private company limited by shares | Live |
| GOOD METRO ENGINEERING LIMITED | Private company limited by shares | Live |
| GRACE ENGINEERING LIMITED | Private company limited by shares | Live |
| BONNIE ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| SUN YEUNG ENGINEERING (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live |
| INSMART DESIGN & ENGINEERING LIMITED | Private company limited by shares | Live |
| Rich Build Construction Engineering Limited | Private company limited by shares | Live |
| Summit Engineering Limited | Private company limited by shares | Live |
| PETRA ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| TUNG YIK ENGINEERING LIMITED | Private company limited by shares | Live |
| MILLION LEGEND ENGINEERING LIMITED | Private company limited by shares | Live |
| Afy Engineering Limited | Private company limited by shares | Live |
| SUNNY POWER ENGINEERING LIMITED | Private company limited by shares | Live |
| LAPSON AIR CONDITION ENGINEERING LIMITED | Private company limited by shares | Live |
| ASIA TEAM ENGINEERING(HK) LIMITED | Private company limited by shares | Live |
| YAU YAT ELECTRICAL ENGINEERING LIMITED | Private company limited by shares | Live |
| Excel Machinery Engineering Limited | Private company limited by shares | Live |
| GRAND CREEK ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| ROYAL ENGINEERING LIMITED | Private company limited by shares | Live |
| METRO GOOD ENGINEERING LIMITED | Private company limited by shares | Live |
| GRAND RAY ENGINEERING LIMITED | Private company limited by shares | Live |
| PAK YIU ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| NINO STAR ENGINEERING LIMITED | Private company limited by shares | Live |
| H & D Engineering Limited | Private company limited by shares | Live |
| G-MARK ENGINEERING LIMITED | Private company limited by shares | Live |
| Diligent Electrical Engineering Company Limited | Private company limited by shares | Live |
| ELITE JOYFUL ENGINEERING LIMITED | Private company limited by shares | Live |
| MALONEY ENGINEERING LIMITED | Private company limited by shares | Live |
| WING KIN ENGINEERING LIMITED | Private company limited by shares | Live |
| FIRETEC ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| HANKO ENGINEERING LIMITED | Private company limited by shares | Live |
| WAILEY ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| DSI ENGINEERING LIMITED | Private company limited by shares | Live |
| KORNWAY ENGINEERING LIMITED | Private company limited by shares | Live |
| LONG GLORY ENGINEERING LIMITED | Private company limited by shares | Live |
| OCEAN RICH ENGINEERING LIMITED | Private company limited by shares | Live |
| FORTUNE SIGN ENGINEERING LIMITED | Private company limited by shares | Live |
| RICH FULL ENGINEERING LIMITED | Private company limited by shares | Live |
| REACH RICH ENGINEERING LIMITED | Private company limited by shares | Live |
| SMARTFIELD ENGINEERING LIMITED | Private company limited by shares | Live |
| Commended Engineering Limited | Private company limited by shares | Live |
| NIKO AV ENGINEERING LIMITED | Private company limited by shares | Live |
| Sunrise Marine & Offshore Engineering Company Limited | Private company limited by shares | Live |
| TUNG WAN SCAFFOLDING ENGINEERING LIMITED | Private company limited by shares | Live |
| PRETTY CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| WELL HILL ENGINEERING LIMITED | Private company limited by shares | Live |
| Po Ko Scaffolding Engineering Company Limited | Private company limited by shares | Live |
| Fumo Engineering Limited | Private company limited by shares | Live |
| DSM ENGINEERING LIMITED | Private company limited by shares | Live |
| A&K Engineering Limited | Private company limited by shares | Live |
| CHI YUAN ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| ASIA ENGINEERING CONSTRUCTION LIMITED | Private company limited by shares | Live |
| HK AIR-CONDITION & ELECTRIC ENGINEERING LIMITED | Private company limited by shares | Live |
| TIME BEST ENGINEERING LIMITED | Private company limited by shares | Live |
| SUN GRAND ENGINEERING LIMITED | Private company limited by shares | Live |
| SUCCESS CONCEPT ENGINEERING LIMITED | Private company limited by shares | Live |
| NICEWAY ENGINEERING LIMITED | Private company limited by shares | Live |
| HUGEWAY ENGINEERING LIMITED | Private company limited by shares | Live |
| HARVEST SKY ENGINEERING LIMITED | Private company limited by shares | Live |
| New Charles Scaffolding & Engineering Limited | Private company limited by shares | Live |
| GRACE SUCCESS ENGINEERING LIMITED | Private company limited by shares | Live |
| GOLDNICE ENGINEERING LIMITED | Private company limited by shares | Live |
| BEST CROWN ENGINEERING LIMITED | Private company limited by shares | Live |
| ABLE HONEST ENGINEERING LIMITED | Private company limited by shares | Live |
| SHIU ON MARBLE ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| ENGINEERING TRADE CO., LIMITED | Private company limited by shares | Live |
| H Y ENGINEERING LIMITED | Private company limited by shares | Live |