| HK Entne International Education Group co., Limited | Private company limited by shares | Live |
| JMD ENTERPRISE LIMITED | Private company limited by shares | Live |
| Achievement Engineering Company Limited | Private company limited by shares | Live |
| Sunshine Engineering Service Company Limited | Private company limited by shares | Live |
| ENRICH COURAGE LIMITED | Private company limited by shares | Live |
| NEW VENTURE ENGINEERING LIMITED | Private company limited by shares | Live |
| WAI MAN ELECTRICAL ENGINEERING LIMITED | Private company limited by shares | Live |
| Sanon Engineering Limited | Private company limited by shares | Live |
| ENGLAND LIMITED | Private company limited by shares | Live |
| TUNG KONG ENVIRONMENTAL LIMITED | Private company limited by shares | Live |
| TOO KEE ENGINEERING LIMITED | Private company limited by shares | Live |
| KIN SAN ENGINEERING LIMITED | Private company limited by shares | Live |
| CHINA ELEGANCE ENGINEERING LIMITED | Private company limited by shares | Live |
| OMEGA ENGINEERING LIMITED | Private company limited by shares | Live |
| FHF Energy And Recycling Limited | Private company limited by shares | Live |
| TIN MING ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| AUSCA ENERGY LIMITED | Private company limited by shares | Live |
| Kwan Way Engineering Company Limited | Private company limited by shares | Live |
| ENHANCE (HK) LIMITED | Private company limited by shares | Dissolved |
| ENRICH GORGEOUS LIMITED | Private company limited by shares | Live |
| PO WAY ENGINEERING LIMITED | Private company limited by shares | Live |
| WATEN Environment Limited | Private company limited by shares | Live |
| CARSONS ENGINEERING LIMITED | Private company limited by shares | Live |
| WISDOM DYNAMIC ENTERPRISES LIMITED | Private company limited by shares | Live |
| Axel Energy Limited | Private company limited by shares | Live |
| Cheuk Lee Engineering Limited | Private company limited by shares | Live |
| Welkin New Energy Material Company Limited | Private company limited by shares | Live |
| ENRICH GLOBAL ACADEMY LIMITED | Private company limited by shares | Live |
| YIN TAT ENGINEERING LIMITED | Private company limited by shares | Live |
| Nihon Engineering Limited | Private company limited by shares | Live |
| ENET CO., LIMITED | Private company limited by shares | Live |
| Founding Environmental Innovation Technology Limited | Private company limited by shares | Live |
| ENYUU GLOBAL LIMITED | Private company limited by shares | Live |
| DNJ Enterprises Limited | Private company limited by shares | Live |
| Hang Pak Engineering (Maintenance) Company Limited | Private company limited by shares | Live |
| Sunbase Energy Investment Limited | Private company limited by shares | Live |
| ENVI DESIGN HK LIMITED | Private company limited by shares | Live |
| ENVIRONMENTAL CONTRACTORS MANAGEMENT ASSOCIATION LIMITED | Company limited by guarantee | Live |
| CK Engineering Company Limited | Private company limited by shares | Live |
| P-Link Energy Solution Service Limited | Private company limited by shares | Live |
| C & P ENGINEERING CONSULTANCY LIMITED | Private company limited by shares | Live |
| YUEN LUN CONSTRUCTION ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| ALL MAX ENTERPRISE LIMITED | Private company limited by shares | Live |
| LUSTER CONSTRUCTION ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| Teng Yuan Engineering Limited | Private company limited by shares | Live |
| Enjoy Gold Inclusive Enterprises Limited | Private company limited by shares | Live |
| SUCCESS SKY ENGINEERING LIMITED | Private company limited by shares | Live |
| TIP ENERGY LIMITED | Private company limited by shares | Live |
| BEAUTY ENERGY LIMITED | Private company limited by shares | Live |
| HAPPY EXPRESS ENGINEERING LIMITED | Private company limited by shares | Live |
| TEAM RICH ENTERPRISE LIMITED | Private company limited by shares | Live |
| EVER EXPRESS ENGINEERING LIMITED | Private company limited by shares | Live |
| J.Sing Engineering HK Limited | Private company limited by shares | Live |
| Ho So Engineering Transportation Company Limited | Private company limited by shares | Live |
| All Pass Entertainment Co., Limited | Private company limited by shares | Live |
| One Enterprise Company Limited -The- | Private company limited by shares | Live |
| SHINING CONSTRUCTION ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| FUK MAN ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| H/E INDUSTRIAL ENGINEERING LIMITED | Private company limited by shares | Live |
| Eastern Asia Energy Limited | Private company limited by shares | Live |
| Jun Lee Engineering Limited | Private company limited by shares | Live |
| ACCOR ELECTRICAL & MECHANICAL ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| JUST ENGINEERING LIMITED | Private company limited by shares | Live |
| MAN TAI ENGINEERING LIMITED | Private company limited by shares | Live |
| SURE WIN ENGINEERING (ASIA) LIMITED | Private company limited by shares | Live |
| HUIHONG ENTERPRISE SHARES CO., LIMITED | Private company limited by shares | Live |
| FUJIAN HECHENG ENTERPRISES LIMITED | Private company limited by shares | Live |
| SUN FAIR CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| KO CHI ENGINEERING LIMITED | Private company limited by shares | Live |
| Top Trillion Engineering Company Limited | Private company limited by shares | Live |
| ON DA ENGINEERING LIMITED | Private company limited by shares | Live |
| Alliance Energy & Engineering Co., Limited | Private company limited by shares | Live |
| ENLIGHTENMENT BUDDHIST CENTER LIMITED | Company limited by guarantee | Live |
| Wynnty Engineering (Hong Kong) Limited | Private company limited by shares | Live |
| Apocalypse Energy Limited | Private company limited by shares | Live |
| Ark Engineering Limited -The- | Private company limited by shares | Live |
| ENJOY O TECHNOLOGY LIMITED | Private company limited by shares | Live |
| TEAM JOY ENTERPRISES LIMITED | Private company limited by shares | Live |
| HK Shi Bai New Energy Limited | Private company limited by shares | Live |
| AQUA ENVIROTECH INVESTMENT (INTERNATIONAL) LIMITED | Private company limited by shares | Live |
| BIO ENGINEERING LIMITED | Private company limited by shares | Live |
| WING TAT ENGINEERING CONSTRUCTION LIMITED | Private company limited by shares | Live |
| EASY WIN ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| YING LI ENGINEERING LIMITED | Private company limited by shares | Live |
| Enhance Company Limited | Private company limited by shares | Live |
| Cheuk Yee Engineering Limited | Private company limited by shares | Live |
| CFF Enterprises Limited | Private company limited by shares | Live |
| GLOBAL APAC ENTERPRISES LIMITED | Private company limited by shares | Live |
| Petrochemical Environmental Protection Co., Limited | Private company limited by shares | Live |
| ALEPH ENERGY LIMITED | Private company limited by shares | Live |
| WAI YING ENGINEERING LIMITED | Private company limited by shares | Live |
| ANTIQUITY ENTERTAINMENT LIMITED | Private company limited by shares | Live |
| AIRCELL ENTERPRISE LIMITED | Private company limited by shares | Live |
| Joinmax Engineering Company Limited | Private company limited by shares | Live |
| Wack Environmental Consulting Limited | Private company limited by shares | Live |
| YAK ENTERTAINMENT LIMITED | Private company limited by shares | Live |
| GREEN ENGINEERING (HONG KONG) HOLDING LIMITED | Private company limited by shares | Live |
| Yu Feng Environmental Engineering Limited | Private company limited by shares | Live |
| Y.M.W ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| ROSE ENDORPHIN WEDDING LIMITED | Private company limited by shares | Live |