| NEW JUST ONE ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| Enclave Vietnam Limited | Private company limited by shares | Live |
| RedSun New Energy Co., Limited | Private company limited by shares | Live |
| KEE YIP ELECTRIC ENGINEERING LIMITED | Private company limited by shares | Live |
| DTC ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| CENTRO ENERGY CO., LIMITED | Private company limited by shares | Live |
| Marvel Engineering Limited | Private company limited by shares | Live |
| FULLTECH ENGINEERING & TRADING LIMITED | Private company limited by shares | Live |
| Enrich Investment (Hong Kong) Limited | Private company limited by shares | Live |
| SOLAR VOLTAIC ENERGY LIMITED | Private company limited by shares | Live |
| Kam Lun Construction Materials Engineering Co., Limited | Private company limited by shares | Live |
| E-NOR (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live |
| OTS Entertainment Limited | Private company limited by shares | Live |
| INFORICH ENGINEERING LIMITED | Private company limited by shares | Live |
| CAYON ENERGY INVESTMENT HOLDING LIMITED | Private company limited by shares | Live |
| WIN GOLD ENGINEERING & SURVEYING LIMITED | Private company limited by shares | Live |
| Frontier Enterprise Company Limited | Private company limited by shares | Live |
| ET ENGINEERING CONSULTING CO., LIMITED | Private company limited by shares | Live |
| LUCKY OCEAN ENTERPRISES LIMITED | Private company limited by shares | Live |
| YING HIN ENGINEERING LIMITED | Private company limited by shares | Live |
| HK SHENG LAN ENERGY INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| JHARK ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| GUANGTAI ENGINEERING LIMITED | Private company limited by shares | Live |
| Hoi Tung Engineering Limited | Private company limited by shares | Live |
| EnergyComp HK Limited | Private company limited by shares | Live |
| Chow Tai Fook Energy Company Limited | Private company limited by shares | Live |
| Brooks Group Engineering Limited | Private company limited by shares | Live |
| Kong Fat Engineering Limited | Private company limited by shares | Live |
| FAI DAK MARBLE ENGINEERING LIMITED | Private company limited by shares | Live |
| First Entertainment Group Limited | Private company limited by shares | Live |
| Goldsen Engtone (China) Limited | Private company limited by shares | Live |
| Noah Engineering Limited | Private company limited by shares | Live |
| DM Enterprise Limited | Private company limited by shares | Live |
| ENHANCE INTIMATES LIMITED | Private company limited by shares | Live |
| ENERDRIVE LIMITED | Private company limited by shares | Live |
| Maison Engineering Limited | Private company limited by shares | Live |
| FOREST LAKE ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| ENMOTEC (H.K.) CO., LIMITED | Private company limited by shares | Live |
| Tianshan Energy Investment Company Limited | Private company limited by shares | Dissolved |
| TAK YEE TONG INVESTMENT ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| SM Dynamic Energy Limited | Private company limited by shares | Live |
| UNITED POWER ENERGY (GROUP) LIMITED | Private company limited by shares | Live |
| CheukSea Engineering and Technology Company Limited | Private company limited by shares | Live |
| Seettech Energy Group Limited | Private company limited by shares | Live |
| TBS ENTERPRISES LIMITED | Private company limited by shares | Live |
| YE KEE ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| FIVER ENVIRONMENT GROUP CO., LIMITED | Private company limited by shares | Live |
| E2 GLOBAL MECHANICAL ENGINEERING LIMITED | Private company limited by shares | Live |
| EVER LUCK ENTERPRISES LIMITED | Private company limited by shares | Live |
| QUALICROWN ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| Fu Tat Environment Company Limited | Private company limited by shares | Live |
| AN-PLUS PRODUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| NDS ENTERPRISES LIMITED | Private company limited by shares | Live |
| 101 Enterprises Limited | Private company limited by shares | Live |
| JOINTWA ENTERPRISE CO., LIMITED | Private company limited by shares | Live |
| JIN HUI ENERGY TRADING LIMITED | Private company limited by shares | Live |
| Queentec Environment Protection International Limited | Private company limited by shares | Live |
| ASIA PACIFIC ENVIRONMENT SCIENTIFIC INSTITUTE LIMITED | Private company limited by shares | Live |
| ABLE CREATIVE ENTERPRISE LIMITED | Private company limited by shares | Live |
| ASIA CREATION ENGINEERING LIMITED | Private company limited by shares | Live |
| NICE HONEST ENGINEERING LIMITED | Private company limited by shares | Live |
| GROUP SMART ENGINEERING LIMITED | Private company limited by shares | Live |
| K&B Magnetics Engineering Limited | Private company limited by shares | Dissolved |
| ZENDA GREEN ENERGY COMPANY LIMITED | Private company limited by shares | Live |
| BUILTEKS ARCHITECTURAL PRODUCTIONS & ENGINEERING LIMITED | Private company limited by shares | Live |
| LA VIEW ENTERPRISE CO., LIMITED | Private company limited by shares | Live |
| QI YUN ENTERPRISE COMPANY LIMITED | Private company limited by shares | Live |
| DOKOCOM ENERGY TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| SHENZHEN LI DO ENERGY CO., LIMITED | Private company limited by shares | Live |
| Yin Yu Enterprises Limited | Private company limited by shares | Live |
| P & J Air-Condition Engineering Co., Limited | Private company limited by shares | Live |
| CHUMMY ENGINEERING LIMITED | Private company limited by shares | Live |
| EnerSol Asia Limited | Private company limited by shares | Live |
| Enjoy Bodyline International Co., Limited | Private company limited by shares | Live |
| ENERGY SAVING MORTGAGE LIMITED | Private company limited by shares | Live |
| PRICOM ENGINEERING LIMITED | Private company limited by shares | Live |
| Enzyme Biology Technology Limited | Private company limited by shares | Live |
| ENGINE INDUSTRIES CO., LIMITED | Private company limited by shares | Live |
| SUNLABOB RENEWABLE ENERGY LIMITED | Private company limited by shares | Live |
| Adam Automation Engineering Limited | Private company limited by shares | Live |
| ATW ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| 12 BY 12 ENTERPRISES LIMITED | Private company limited by shares | Live |
| ALMA ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| WONDERFUL CHOICE ENGINEERING INVESTMENT LIMITED | Private company limited by shares | Live |
| ENTRA GLOBAL LIMITED | Private company limited by shares | Live |
| BESTOP CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| FIRST ENGINEERING CONSULTING LIMITED | Private company limited by shares | Live |
| POLYTECH ENGINEERING LIMITED | Private company limited by shares | Live |
| HONOR BEST ENGINEERING LIMITED | Private company limited by shares | Live |
| MARKWAY CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| NICE WELL ENGINEERING LIMITED | Private company limited by shares | Live |
| POWER MARK ENGINEERING LIMITED | Private company limited by shares | Live |
| SOUTH CHINA CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| NATION SURPLUS ENTERPRISES LIMITED | Private company limited by shares | Live |
| POWER LEAD ENGINEERING LIMITED | Private company limited by shares | Live |
| OTTEN MECHANICAL ENGINEERING LIMITED | Private company limited by shares | Live |
| RNS ENGINEERING LIMITED | Private company limited by shares | Live |
| Concord Controls Engineering Company Limited | Private company limited by shares | Live |
| Surpass Energy Corp., Limited | Private company limited by shares | Live |
| ACE ENGINEERS LIMITED | Private company limited by shares | Live |