| Scientific Gas Engineering Company Limited | Private company limited by shares | Live |
| MORAL SKY ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| JAD Engineering Asia Pacific Limited | Private company limited by shares | Live |
| LAND ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| LUCKY SUCCESS ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| QP ENGINEERING LIMITED | Private company limited by shares | Live |
| INTELLIGENT CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| NEWEY CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| TIN MEI ENGINEERING LIMITED | Private company limited by shares | Live |
| OMEGA CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| IMET INDUSTRIAL MACHINES & ENGINEERING LIMITED | Private company limited by shares | Live |
| Regent Way Engineering Limited | Private company limited by shares | Live |
| KAM LUN ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| CKK ENGINEERING LIMITED | Private company limited by shares | Live |
| CHIN TO ENGINEERING CO LIMITED | Private company limited by shares | Live |
| SUNNY VICTOR ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| GO ON ENGINEERING LIMITED | Private company limited by shares | Live |
| SOV Tech Engineering Company Limited | Private company limited by shares | Live |
| Tung Wo Air-Condition Engineering Limited | Private company limited by shares | Live |
| CHINA GAIN ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| LA SERVIR ENGINEERING LIMITED | Private company limited by shares | Live |
| RIVER POLLUTION GOVERNANCE ENGINEERING GROUP LIMITED | Private company limited by shares | Dissolved |
| MEGA TOP ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| HVAC ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| BILL ENGINEERING LIMITED | Private company limited by shares | Live |
| SEEDSWAY ENGINEERING & CONSULTANCY CO., LIMITED | Private company limited by shares | Live |
| SHANGHAI HAILONG-LC ENGINEERING & CONSULTANCY COMPANY (HK BRANCH) LIMITED | Private company limited by shares | Dissolved |
| Matching Design Engineering Limited | Private company limited by shares | Dissolved |
| GLORY GAIN ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| TECH-TEAM ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SUNDER ENGINEERING LIMITED | Private company limited by shares | Live |
| SIU KAU ENGINEERING LIMITED | Private company limited by shares | Live |
| ELECTRICAL AND MECHANICAL ENGINEERING LIMITED | Private company limited by shares | Live |
| SEMTECH & YJH ENGINEERING CO., LIMITED | Private company limited by shares | Dissolved |
| ART STAR ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SPECHANICS ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SKYFORD ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| RenTian Engineering Acting Limited | Private company limited by shares | Dissolved |
| WELLING ENGINEERING LIMITED | Private company limited by shares | Live |
| Pathbreaker Engineering Limited | Private company limited by shares | Dissolved |
| ANTEPA ENGINEERING LIMITED | Private company limited by shares | Live |
| WINIC ENGINEERING LIMITED | Private company limited by shares | Live |
| WING YING ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| NEXT ENGINEERING LIMITED | Private company limited by shares | Live |
| SEFE ENGINEERING LIMITED | Private company limited by shares | Live |
| EFFECTIVE ENGINEERING LIMITED | Private company limited by shares | Live |
| Chi Tat Engineering Limited | Private company limited by shares | Live |
| GM ENGINEERING LIMITED | Private company limited by shares | Live |
| Archicorp Construction & Engineering Limited | Private company limited by shares | Live |
| HOI NGAI ENGINEERING CO. LIMITED | Private company limited by shares | Dissolved |
| ASIA STRONG SPORTS ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| YING LEE ENGINEERING (HONG KONG) LIMITED | Private company limited by shares | Live |
| POP ENGINEER LIMITED | Private company limited by shares | Dissolved |
| TENON ENGINEERING LIMITED | Private company limited by shares | Live |
| WARWICK ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| MANTOP ENGINEERING LIMITED | Private company limited by shares | Live |
| Wing Lok Ko Engineering Limited | Private company limited by shares | Live |
| CUBIC CONSTRUCTION ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| PACIFIC VIEW ENGINEERING LIMITED | Private company limited by shares | Live |
| DRAGON TOP ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| WING KO ENGINEERING LIMITED | Private company limited by shares | Live |
| GREATWAY CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| TECH CONSULT ENGINEERING LIMITED | Private company limited by shares | Live |
| NEW HAPPY NETWORK ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| FAT HING ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| YIU ON ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| Hop Lik Engineering Co., Limited | Private company limited by shares | Live |
| HOI SUN HEI ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| WAH NGAI MARBLE ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| TOP SKY ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| ARTISTIC DESIGN & ENGINEERING LIMITED | Private company limited by shares | Live |
| GOOD CROWN ENGINEERING LIMITED | Private company limited by shares | Live |
| GOOD TIME ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| WELL HONEST ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| COMFORT SMART DESIGN ENGINEERING LIMITED | Private company limited by shares | Live |
| HIP KWAN ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| LEI TO AIR CONDITIONING ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| KIN CHUEN ELECTRIC ENGINEERING LIMITED | Private company limited by shares | Live |
| SPLENDID ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| GLORIOUS CHINA ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| WAI LEE ENGINEERING (HONG KONG) LIMITED | Private company limited by shares | Live |
| WAH YU ENGINEERING LIMITED | Private company limited by shares | Live |
| Kension Engineering Company Limited | Private company limited by shares | Live |
| ALL BEST ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| HKHS ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| WING TAT ELECTRICAL ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| VTECH ENGINEERING PTE LIMITED | Private company limited by shares | Live |
| ECO ASIA ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| TRIOELECTRIC ENGINEERING LIMITED | Private company limited by shares | Live |
| HK RCB ENGINEERING CONSULTING & SERVICE CO., LIMITED | Private company limited by shares | Live |
| MAN SENG MACHINERY ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| TADELA ENGINEERING CO., LIMITED | Private company limited by shares | Dissolved |
| MAX GAIN ENGINEERING LIMITED | Private company limited by shares | Live |
| KARTEX ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| ASIAN EUROPEAN ENGINEERING LIMITED | Private company limited by shares | Live |
| EASY TAK ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| Ruitek Engineering Company Limited | Private company limited by shares | Live |
| GLOBAL SOLAR ENGINEERING LIMITED | Private company limited by shares | Live |
| WILDDESIGN ENGINEERING HONG KONG LIMITED | Private company limited by shares | Dissolved |
| JR Engineering Limited | Private company limited by shares | Dissolved |