| Mansfield E & M Engineering Limited | Private company limited by shares | Live |
| DELUXE ENGINEERING LIMITED | Private company limited by shares | Live |
| Wo Hin Engineering Limited | Private company limited by shares | Live |
| CHIN YIU ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| FU YIU ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| INTERSONIKON-CM BERNARDINI ENGINEERING (CHINA) LIMITED | Private company limited by shares | Live |
| EAST SUN ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| LEADTOP ENGINEERING LIMITED | Private company limited by shares | Live |
| A & C ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| RIGHT ENGINEERING LIMITED | Private company limited by shares | Live |
| TIN LEUNG ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| ELECON SYSTEMS ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| Easy Smart Maintenance Engineering Limited | Private company limited by shares | Live |
| OCEAN POWER ENGINEERING LIMITED | Private company limited by shares | Live |
| C&K CONSTRUCTION AND ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| KIN HO ENGINEERING LIMITED | Private company limited by shares | Live |
| HON KEE ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| LANDWELL ENGINEERING LIMITED | Private company limited by shares | Live |
| Success Precision Engineering Co., Limited | Private company limited by shares | Live |
| YONG WANG ENGINEERING CO., LIMITED | Private company limited by shares | Dissolved |
| FU YING ELECTRICAL ENGINEERING LIMITED | Private company limited by shares | Live |
| Ample Engineering Limited | Private company limited by shares | Live |
| REALTECH ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| KAM CHUEN METAL ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| YU TAK ENGINEERING LIMITED | Private company limited by shares | Live |
| MORAL WAY ENGINEERING LIMITED | Private company limited by shares | Live |
| NGAI YIP SCAFFOLDING ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| Rongca Petroleum Engineering Service Limited | Private company limited by shares | Live |
| ELITE ENGINEERING FAR EAST LIMITED | Private company limited by shares | Live |
| China Engineering Consulting Limited | Private company limited by shares | Dissolved |
| Excel-Technic Engineering Company Limited | Private company limited by shares | Dissolved |
| TEAMSPIRIT ENGINEERING LIMITED | Private company limited by shares | Live |
| LUNG ON ENGINEERING LIMITED | Private company limited by shares | Live |
| TAM CHUNG ENGINEERING LIMITED | Private company limited by shares | Live |
| SMART TOP ENGINEERING LIMITED | Private company limited by shares | Live |
| LAUTUS ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| POWER SUCCESS CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| TIN FU RESOURCES ENGINEERING LIMITED | Private company limited by shares | Live |
| SUMTECH ENGINEERING CO., LIMITED | Private company limited by shares | Dissolved |
| MING HON ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| HOPEWELL ENGINEERING LIMITED | Private company limited by shares | Live |
| SUN BO ENGINEERING LIMITED | Private company limited by shares | Live |
| HARVEST VIEW ENGINEERING LIMITED | Private company limited by shares | Live |
| GRAND EASY ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| YUE YEE ENGINEERING LIMITED | Private company limited by shares | Live |
| Wang Tat M & E Engineering Company Limited | Private company limited by shares | Dissolved |
| Data Engine Development Limited | Private company limited by shares | Dissolved |
| MCA ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| MANYEE ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SUN WING TAI DESIGN AND ENGINEERING LIMITED | Private company limited by shares | Live |
| Z ENGINEERING LIMITED | Private company limited by shares | Live |
| NEW JIN ENGINEERING LIMITED | Private company limited by shares | Live |
| KE KIU ENGINEERING LIMITED | Private company limited by shares | Live |
| A&J ENGINEERING CO., LIMITED | Private company limited by shares | Dissolved |
| TECHWAVE TECHNOLOGY ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| KCL ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| HIN MING ENGINEERING CO. LIMITED | Private company limited by shares | Live |
| CHO KEE ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| S.E.T. Air Conditioning Engineering Co., Limited | Private company limited by shares | Live |
| KIN WO ELECTRICAL ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| JOY FORTUNE ENGINEERING LIMITED | Private company limited by shares | Live |
| EASTERN ELECTRONIC ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| Topmost Engineering Company Limited | Private company limited by shares | Live |
| USA FU TE SEN ENGINE LIMITED | Private company limited by shares | Dissolved |
| LOK NGAI ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| TOP LEVEL ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SAN SENG ENGINEERING (HONG KONG) LIMITED | Private company limited by shares | Live |
| ENGINE CONSTRUCTION CONSULTING COMPANY LIMITED | Private company limited by shares | Live |
| WING LEE CONSTRUCTION ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| AMPLE CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| MP ENGINEERING COMPANY (HONG KONG) LIMITED | Private company limited by shares | Live |
| HARBOUR CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| ACCURACY ENGINEERING LIMITED | Private company limited by shares | Live |
| FORD ENGINEERING LIMITED | Private company limited by shares | Live |
| EXCEL WAY ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| MORAL ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| FAITHFUL ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| VAST ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| PACIFIC FAIR ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| NEWCO CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| ASIAWELL ENGINEERING LIMITED | Private company limited by shares | Live |
| SKY PLUS ENGINEERING LIMITED | Private company limited by shares | Live |
| MASTERPAC ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| CHEUK YAN ELECTRICAL ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| NEWFAIR ENGINEERING LIMITED | Private company limited by shares | Live |
| FAREAST MOLDING ENGINEERING LIMITED | Private company limited by shares | Live |
| WANG YIP DESIGN & ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| INNOVATOR ENGINEERING LIMITED | Private company limited by shares | Live |
| Cheuk Nam Engineering & Transportation Company Limited | Private company limited by shares | Dissolved |
| YUAN FUK ENGINEERING (ASIA) COMPANY LIMITED | Private company limited by shares | Live |
| BEYOND ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| WAH LIK SCAFFOLDING ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| HO TIN ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| On One Engineering Co. Limited | Private company limited by shares | Dissolved |
| TECHNIQUE ENGINEERING SERVICE LIMITED | Private company limited by shares | Live |
| CHIU YIN ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| WING MING WO CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| STRUCTEASE ENGINEERING LIMITED | Private company limited by shares | Live |
| FORTUNE KEY CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| Lap Kee Engineering Co., Limited | Private company limited by shares | Live |