| Wah Lung E & M Engineering Limited | Private company limited by shares | Dissolved |
| SIU HEI AIR-CONDITION ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| TCK ENGINEERING LIMITED | Private company limited by shares | Live |
| KAI LEE WAH ENGINEERING LIMITED | Private company limited by shares | Live |
| SAN WAI ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| HK Power Engineering Limited | Private company limited by shares | Live |
| HEM Engineering Co., Limited | Private company limited by shares | Live |
| JAPAN CHONGXIN BENTIAN ENGINE HOLDING GROUP LIMITED | Private company limited by shares | Dissolved |
| SUN FAI ENGINEERING LIMITED | Private company limited by shares | Live |
| HO NGAI ENGINEERING LIMITED | Private company limited by shares | Live Commenced dormancy on 15-Aug-2016 |
| YAT FAN ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| HUI KAI CONSTRUCTION ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| MAXI-FAITH ENGINEERING LIMITED | Private company limited by shares | Live |
| LIE ON ELECT. MECH. ENGINEERING LIMITED | Private company limited by shares | Live |
| BaiFor Engineer Limited | Private company limited by shares | Live |
| ALL TONE ENGINEERING LIMITED | Private company limited by shares | Live |
| POWER CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| Wah Kai Construction Engineering (Hong Kong) Company Limited | Private company limited by shares | Live |
| MULTIBOND ENGINEERING LIMITED | Private company limited by shares | Live |
| SEMPERFELIX ENGINEERING LIMITED | Private company limited by shares | Live |
| WANG KIT ENGINEERING LIMITED | Private company limited by shares | Live |
| MEI TOK ENGINEERING LIMITED | Private company limited by shares | Live |
| MAINKEY SOLAR SYSTEM ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| EVERQUEEN ENGINEERING COMPANY LIMITED | Private company limited by shares | Live Commenced dormancy on 26-Sep-2012 |
| NOVAREA POWER ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| Skywalker Engineering Limited | Private company limited by shares | Dissolved |
| NEW ENGINE HOLDINGS LIMITED | Private company limited by shares | Live |
| Wang Kiu Advertising Engineering Limited | Private company limited by shares | Live |
| MILESTONE SPECIALTY ENGINEERING LIMITED | Private company limited by shares | Live |
| GOLD RISE ENGINEERING LIMITED | Private company limited by shares | Live |
| CW ELECTRICAL ENGINEERING LIMITED | Private company limited by shares | Live |
| Carter Construction Engineering Limited | Private company limited by shares | Live |
| Soar Construction Engineering Co. Limited | Private company limited by shares | Live |
| MAN LUNG ENGINEERING (HONG KONG) LIMITED | Private company limited by shares | Live |
| WANG KEI ENGINEERING LIMITED | Private company limited by shares | Live |
| ATLANTIC SYSTEM ENGINEERING LIMITED | Private company limited by shares | Live |
| ProTec Engineering Limited | Private company limited by shares | Live |
| TAU KEE ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| HO YAT CONSTRUCTION ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| INM PLC Engineering Limited | Private company limited by shares | Live |
| W & A ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| Language Engineering Co., Limited | Private company limited by shares | Live |
| HONEST TEAM ENGINEERING LIMITED | Private company limited by shares | Live |
| Linde Engineering Co., Limited | Private company limited by shares | Live |
| NGAI LONG ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| PROTIN ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| BAIGO Engineering Company Limited | Private company limited by shares | Live |
| NATION ENGINEERING LIMITED | Private company limited by shares | Live |
| MARK WELL ENGINEERING LIMITED | Private company limited by shares | Live |
| BEST CONCORD ENGINEERING LIMITED | Private company limited by shares | Live |
| EVERGREAT WATERWORKS ENGINEERING LIMITED | Private company limited by shares | Live |
| TECHNIQUE MAINTENANCE ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| TOP DESIGN CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| Billiton Engineering Co., Limited | Private company limited by shares | Live |
| RED ENGINEERING AND CONSTRUCTION LIMITED | Private company limited by shares | Live |
| G.J TECHNOLOGY ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| WING YIP ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| Sun Hoi E&M Engineering Limited | Private company limited by shares | Live |
| YEE FAT MAINTENANCE ENGINEERING LIMITED | Private company limited by shares | Live |
| T&T Design & Engineering Limited | Private company limited by shares | Live |
| TIM MING ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| DRAGON EXPRESS ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| FAST GLORY ENGINEERING LIMITED | Private company limited by shares | Live |
| GRACE WEALTH ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| LEE YUE ELECTRICAL ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SUNNY SMART ENGINEERING LIMITED | Private company limited by shares | Live |
| BOSEN E&M ENGINEERING LIMITED | Private company limited by shares | Live |
| NEW CREATION ENGINEERING CO. LIMITED | Private company limited by shares | Live |
| WING KAI FURNITURE & ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| KAM WAI KEE ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| PRO-TECH ENGINEERING (HONG KONG) LIMITED | Private company limited by shares | Live |
| JPL ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| FARS ENGINEERING LIMITED | Private company limited by shares | Live |
| TRIPLEX ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| Everfaith Engineering Company Limited | Private company limited by shares | Live |
| Hay Keung Engineering Limited | Private company limited by shares | Live |
| MUSE DESIGN ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SHINRAI ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| NILE ENGINEERING CONSULTANCY LIMITED | Private company limited by shares | Dissolved |
| SUCCESS VIEW ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| ITT ENGINEERING LIMITED | Private company limited by shares | Live |
| GWP ENGINEERING LIMITED | Private company limited by shares | Live |
| MAN CREATION ENGINEERING LIMITED | Private company limited by shares | Live |
| TEAM MAX ENGINEERING LIMITED | Private company limited by shares | Live |
| INNOVATE ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| ALLIED TOP ENGINEERING LIMITED | Private company limited by shares | Live |
| FAST WELL ENGINEERING LIMITED | Private company limited by shares | Live |
| GLOBAL WAY ENGINEERING LIMITED | Private company limited by shares | Live |
| KONG POWER ENGINEERING LIMITED | Private company limited by shares | Live |
| CHINA FAME ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| TOP VICTORY ENGINEERING LIMITED | Private company limited by shares | Live |
| WAI YIP ENGINEERING SERVICE LIMITED | Private company limited by shares | Live |
| BO MAN ENGINEERING (HONG KONG) LIMITED | Private company limited by shares | Live |
| E-CAN CONSTRUCTION ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| YMT CONSTRUCTION & ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| GARY DESIGN & ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| KS TECHNOLOGY ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| NEW WAH KEE ENGINEERING LIMITED | Private company limited by shares | Live |
| MING TAK CONSTRUCTIONS AND ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| Flame Engineering Limited | Private company limited by shares | Live |