| Lok City Engineering Limited | Private company limited by shares | Live |
| BIG CITY ENGINEERING LIMITED | Private company limited by shares | Live |
| New City Engineering Limited | | Live |
| CITY AIR-CONDITION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| CITY ENGINEERING (ASIA) LIMITED | Private company limited by shares | Live |
| BEST CITY ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| CITY BEST ENGINEERING LIMITED | Private company limited by shares | Live |
| BEST CITY ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| Build City Engineering Limited | Private company limited by shares | Live |
| CARRIE CITY INTERNATIONAL ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| CITY CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| KUI CITY CONSTRUCTION ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| Asia City Construction Engineering Limited | Private company limited by shares | Live |
| NEW CITY CONSTRUCTION AND ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| CITY GRAND CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| CITY HOME CONSTRUCTION MACHINERY ENGINEERING LIMITED | Private company limited by shares | Live |
| SILVER CITY CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| CITY CREATION ENGINEERING LIMITED | Private company limited by shares | Live |
| CITY DESIGN & ENGINEERING LIMITED | Private company limited by shares | Live |
| JU GUANG CITY DESIGN ENGINEERING LIMITED | Private company limited by shares | Live |
| CITY DESIGN & ENGINEERING CO. (HK) LIMITED | Private company limited by shares | Dissolved |
| DRAGON CITY ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| EAST CITY ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| ELITE CITY ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| CITY ENVIRONMENTAL ENGINEERING COMPANY LIMITED | | Live |
| EVER CITY ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| EXCEL CITY ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| CITY FAME ENGINEERING LIMITED | Private company limited by shares | Live |
| CITY FORCE ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| FORTUNE CITY ENGINEERING LIMITED | | Live |
| CITY FUTURE ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| CITY GEOTECHNICAL ENGINEERING LIMITED | Private company limited by shares | Live |
| GLOBAL CITY ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| CITY GOLD ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| GOLD CITY ENGINEERING LIMITED | Private company limited by shares | Live |
| GOOD CITY ENGINEERING LIMITED | Private company limited by shares | Live |
| GOOD CITY ENGINEERING LIMITED | | Live |
| GRACE CITY ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| GRAND CITY ENGINEERING LIMITED | Private company limited by shares | Live |
| CITY GRAND ENGINEERING LIMITED | Private company limited by shares | Live |
| CITY GREENING ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| NEW CITY ENGINEERING (H.K.) LIMITED | Private company limited by shares | Dissolved |
| CITY ENGINEERING (HK) LIMITED | Private company limited by shares | Live |
| WIN CITY ENGINEERING (HK) LIMITED | Private company limited by shares | Live |
| New City Engineering (Hong Kong) Company Limited | Private company limited by shares | Live |
| Kwan City Engineering Limited | | Live |
| CITY LINK ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| CITY LINKER ENGINEERING LIMITED | Private company limited by shares | Live |
| DORSETT CITY ENGINEERING MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| Beauty City Engineering & Material Limited | | Live |
| Grande City Material & Engineering Limited | Private company limited by shares | Live |
| MEGA CITY ENGINEERING LIMITED | Private company limited by shares | Live |
| METRO CITY ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| MING CITY ENGINEERING LIMITED | Private company limited by shares | Live |
| OCEAN CITY ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| City Olympian Engineering Co. Limited | | Live |
| CITY PLAN ENGINEERING LIMITED | Private company limited by shares | Live |
| CITY POWER ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| CITY ENGINEERING & ESTATE & PROPERTY LIMITED | Private company limited by shares | Dissolved |
| Sky City Renovation Engineering Limited | | Live |
| RICH CITY ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| CITY RICH ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| CITY RICHLY ENGINEERING LIMITED | Private company limited by shares | Live |
| RISING CITY ENGINEERING LIMITED | Private company limited by shares | Live |
| ROYAL CITY ENGINEERING LIMITED | Private company limited by shares | Live |
| SHINY CITY ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SILVER CITY ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SINCERITY CITY ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| SINCERITY CITY (ASIA) ENGINEERING LIMITED | Private company limited by shares | Live |
| SMART CITY ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SMART CITY ENGINEERING LIMITED | Private company limited by shares | Live |
| CITY SOLUTIONS ENGINEERING LIMITED | Private company limited by shares | Live |
| CITY SUCCESS ENGINEERING LIMITED | Private company limited by shares | Live |
| SUNNY CITY ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| CITY SYSTEM ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| TANGSHAN CITY ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| CITY TELECOMMUNICATIONS ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| VAST CITY ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| VICTORIA CITY ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| CITY WEALTH ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| CITY WEALTH ENGINEERING LIMITED | Private company limited by shares | Live |
| CITY WELL ENGINEERING LIMITED | Private company limited by shares | Live |
| WELL CITY ENGINEERING LIMITED | Private company limited by shares | Live |
| WELL CITY ENGINEERING LIMITED | Private company limited by shares | Live |
| CITY WELL ENGINEERING LIMITED | Private company limited by shares | Live |
| CITY WINNER ENGINEERING LIMITED | Private company limited by shares | Live |
| CITY WORLD ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| WORTHY CITY ENGINEERING LIMITED | Private company limited by shares | Live |
| CITY ENTERPRISE COMPANY LIMITED | Private company limited by shares | Live |
| ENTERPRISE CITY LIMITED | Private company limited by shares | Dissolved |
| SKY CITY ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| SUN CITY ENTERPRISE LIMITED | Private company limited by shares | Live |
| CHARMING CITY ENTERPRISE LIMITED | Private company limited by shares | Live |
| CHINA CITY INTERNATIONAL ENTERPRISE LIMITED | Private company limited by shares | Live |
| CONVERGENT CITY ENTERPRISE LIMITED | Private company limited by shares | Live |
| CITY FIELD ENTERPRISE LIMITED | Private company limited by shares | Live |
| FIRST CITY ENTERPRISE LIMITED | Private company limited by shares | Live |
| GRAND CITY ENTERPRISE LIMITED | Private company limited by shares | Live |
| HARBOUR CITY CATERING ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| CITY INTERNATIONAL INVESTMENT ENTERPRISE LIMITED | Private company limited by shares | Live |