| HOPE ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| RICH ENGINEERING GROUP LIMITED | Private company limited by shares | Dissolved |
| Hoi Tat Design Engineering Company Limited | Private company limited by shares | Live |
| SILVERTECH ENGINEERING LIMITED | Private company limited by shares | Live |
| OK ENGINEERING LIMITED | Private company limited by shares | Live |
| 2B ENGINEERING LIMITED | Private company limited by shares | Live |
| UPDATE ENGINEERING LIMITED | Private company limited by shares | Live |
| MEGA ENGINEERING LIMITED | Private company limited by shares | Live |
| TOP FORTUNE ENGINEERING LIMITED | Private company limited by shares | Live |
| BILLIONS TOP ENGINEERING LIMITED | Private company limited by shares | Live |
| EXPRESS FORTUNE ENGINEERING LIMITED | Private company limited by shares | Live |
| GRAND IDEA ENGINEERING LIMITED | Private company limited by shares | Live |
| MASTER DIESEL ENGINE PARTS CO., LIMITED | Private company limited by shares | Live |
| LYSIA ENGINEERING LIMITED | Private company limited by shares | Live |
| POLYTECH E&M ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| CALTROP ENGINEERING LIMITED | Private company limited by shares | Live |
| Engine & Tester Co., Limited | Private company limited by shares | Live |
| GRAND DAY MARINE ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| SUN MING E&M ENGINEERING LIMITED | Private company limited by shares | Live |
| ANK ENGINE PARTS CO., LIMITED | Private company limited by shares | Live |
| SEA AREA ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| LIK HON ENGINEERING LIMITED | Private company limited by shares | Live |
| KJ TT Engineering Limited | Private company limited by shares | Live |
| African Engineering-Consultant Agency Limited | Private company limited by shares | Live |
| YSO ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| NICO ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| Castco Geotechnical Engineering Limited | Private company limited by shares | Live |
| CROWN TIME ENGINEERING LIMITED | Private company limited by shares | Live |
| DIGITAL ENGINEERING PUBLISHING LIMITED | Private company limited by shares | Dissolved |
| China Industrial Engineering and Machinery Limited | Private company limited by shares | Live |
| OCEANTECH ENGINEERING LIMITED | Private company limited by shares | Live |
| SPIDER ENGINEERING LIMITED | Private company limited by shares | Live |
| LOK KAI CONSTRUCTION ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| VITO ENGINEERING (ASIA) LIMITED | Private company limited by shares | Live |
| BIG MAX ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| METRO GOLD ENGINEERING LIMITED | Private company limited by shares | Live |
| MEGA GLORY ENGINEERING LIMITED | Private company limited by shares | Live |
| LUCK ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| MING SUN (E & M) ENGINEERING HK LIMITED | Private company limited by shares | Live |
| RICHTECH ENGINEERING (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live |
| IN-HARVEST GEOTECHNICAL ENGINEERING LIMITED | Private company limited by shares | Live |
| FAI WAH ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| ALLIANCE ENGINEERING & CONSULTING LIMITED | Private company limited by shares | Live |
| PANGIC ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| San Pak Engineering Company Limited | Private company limited by shares | Live |
| SUNNIC CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| TAK HO ENGINEERING LIMITED | Private company limited by shares | Live |
| TOP ART DESIGN ENGINEERING LIMITED | Private company limited by shares | Live |
| SIGMA ENGINEERING LIMITED | Private company limited by shares | Live |
| J & LINK ENGINEERING LIMITED | Private company limited by shares | Live |
| Winning P&D Engineering Limited | Private company limited by shares | Live |
| S.Air Engineering Limited | Private company limited by shares | Live |
| QUALITY ENGINEERING LIMITED | Private company limited by shares | Live |
| CGH Engineering Hong Kong Limited | Private company limited by shares | Live |
| HEIDELBACH ENGINEERING HONG KONG LIMITED | Private company limited by shares | Live |
| SKY ONE ENGINEERING (HONG KONG) LIMITED | Private company limited by shares | Live |
| CASTING ENGINEERING LIMITED | Private company limited by shares | Live |
| RICH MEGA ENGINEERING LIMITED | Private company limited by shares | Live |
| BSJ (HK) ENGINE INDUSTRY LIMITED | Private company limited by shares | Dissolved |
| Door Engineering Limited -The- | Private company limited by shares | Live |
| HK YEE WO ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| Euro Kong Engineering Limited | Private company limited by shares | Live |
| Zhonghe Engineering Limited | Private company limited by shares | Live |
| P & T Construction and Engineering Co Limited | Private company limited by shares | Live |
| AU PACIFIC ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| JOINTFLOW TECHNOLOGY ENGINEERING LIMITED | Private company limited by shares | Live |
| MIL ENGINERRING MACHINERY LIMITED | Private company limited by shares | Dissolved |
| BO KEE ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| NEW HARVEST ENGINEERING LIMITED | Private company limited by shares | Live |
| D & O Catering Engineering Limited | Private company limited by shares | Live |
| BEST LUCK ENGINEERING LIMITED | Private company limited by shares | Live |
| CHARMING ENGINEERING LIMITED | Private company limited by shares | Live |
| SKY LUCK ENGINEERING LIMITED | Private company limited by shares | Live |
| SHIN SI ENGINEERING LIMITED | Private company limited by shares | Live |
| KINWAH ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| LEADER ALLIANCE ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| ACCOR ELECTRICAL & MECHANICAL ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| OCEAN ENGINEERING (HONG KONG) LIMITED | Private company limited by shares | Live |
| KWAN YAT ENGINEERING LIMITED | Private company limited by shares | Live |
| Hui Kin Engineering Co Limited | Private company limited by shares | Dissolved |
| ASIAWIDE ENGINEERING LIMITED | Private company limited by shares | Live |
| MILLIONS IN CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| ENGINEERING PRODUCTS SUPPLY LIMITED | Private company limited by shares | Live |
| SUN CHEUT YING ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| GOLD WEALTH CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| TOP GRAND CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| OHO TECH CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| Truthful Engineering Company Limited | Private company limited by shares | Live |
| TOP SMOOTH ENGINEERING LIMITED | Private company limited by shares | Live |
| Elite Computer Engineering Co Limited | Private company limited by shares | Dissolved |
| WAH LOK DESIGN ENGINEERING PRODUCTION CO. LIMITED | Private company limited by shares | Live |
| HK Airlines Construction Engineering Co., Limited | Private company limited by shares | Live |
| 1ST RIVER ENGINEERING LIMITED | Private company limited by shares | Live |
| A-pard Design & Engineering Limited | Private company limited by shares | Live |
| ATC ENGINEERING AND CONSULTING CORP. LIMITED | Private company limited by shares | Live |
| PACIFIC ENGINEERING AND CONSULTING LIMITED | Private company limited by shares | Live |
| EXTECH ENGINEERING LIMITED | Private company limited by shares | Live |
| GOOD TIME GOLDENWALL ENGINEERING LIMITED | Private company limited by shares | Live |
| CWH ENGINEERING MATERIAL LIMITED | Private company limited by shares | Live |
| Believe Engineering Limited | Private company limited by shares | Live |