| HK DINGHUA ENERGY LIMITED | Private company limited by shares | Dissolved |
| BESTVIEW ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| KA YU ENGINEERING LIMITED | Private company limited by shares | Live |
| POTEX ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| KOCH MACHINERY & ENGINEERING LIMITED | Private company limited by shares | Live |
| IU HO CONSTRUCTION ENGINEERING CO. LIMITED | Private company limited by shares | Live |
| STAR E&M ENGINEERING LIMITED | Private company limited by shares | Live |
| WING KEI ENGINEERING LIMITED | Private company limited by shares | Live |
| FORWIN SITE INVESTIGATION ENGINEERING LIMITED | Private company limited by shares | Live |
| LIFEJOY ENVIRONMENT ASSOCIATION LIMITED | Private company limited by shares | Live |
| NEW ENERGY AUDIO & LIGHTING LIMITED | Private company limited by shares | Live |
| TACTICAL ELECTRICAL ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| L & K Enterprises Limited | Private company limited by shares | Dissolved |
| Uprise Engineering (Hong Kong) Company Limited | Private company limited by shares | Dissolved |
| C K ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| RICH TEAM ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| HI-CLEAN ENVIRONMENT TECHNOLOGY (H.K.) LIMITED | Private company limited by shares | Dissolved |
| HUATONG ENERGY LIMITED | Private company limited by shares | Dissolved |
| E ENTERTAINMENT LIMITED | Private company limited by shares | Dissolved |
| ENERGY & POWER SUPPLY LIMITED | Private company limited by shares | Dissolved |
| SPORTS ENGINE LIMITED | Private company limited by shares | Live |
| CATALUNA ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| Entelink (HK) Company Limited | Private company limited by shares | Live |
| TACTFUL ENGINEERING LIMITED | Private company limited by shares | Live |
| C J Tooling & Engineering Company Limited | Private company limited by shares | Live |
| Power Mold Engineering Company Limited | Private company limited by shares | Dissolved |
| Hua An Enterprise Limited | Private company limited by shares | Dissolved |
| HOI WING ENGINEERING LIMITED | Private company limited by shares | Live |
| DRAGON CHINA ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| HANSFORD ENTERPRISES LIMITED | Private company limited by shares | Live |
| SUNFORD CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| Advanced Engineering Solutions Limited | Private company limited by shares | Live |
| GRAND POWER (ENG-TECH) LIMITED | Private company limited by shares | Dissolved |
| EIC ENAMELING LIMITED | Private company limited by shares | Dissolved |
| CERATEC ENAMELING LIMITED | Private company limited by shares | Dissolved |
| MAYLAND ASIA ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| INNOTECH ENVIRO LIMITED | Private company limited by shares | Live |
| EXCELLENT ASIA ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| CENTURY ASIA ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| GOLDEX ASIA ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| OCEAN ENTERPRISE GROUP LIMITED | Private company limited by shares | Dissolved |
| TIMES ENTERPRISE GROUP LIMITED | Private company limited by shares | Dissolved |
| WINTEX ENTERPRISE GROUP LIMITED | Private company limited by shares | Dissolved |
| WIN TIMES ENTERTAINMENT LIMITED | Private company limited by shares | Dissolved |
| WO HOP (YEUNG'S) ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| CITIGOLD ENTERPRISES LIMITED | Private company limited by shares | Live |
| TECTONIC ENGINEERING LIMITED | Private company limited by shares | Live |
| ASIA CAPITAL ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| HK (CHINA) ENERGY DEV. COMPANY LIMITED | Private company limited by shares | Dissolved |
| ENVIROTECK COMPANY LIMITED | Private company limited by shares | Live |
| TOP ENERGY TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| Green Energy Finance Limited | Private company limited by shares | Live |
| SUPER GLORY ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| WELSTEIN ENTERPRISES LIMITED | Private company limited by shares | Live |
| ENERCO INVESTMENT CONSULTANT CO., LIMITED | Private company limited by shares | Dissolved |
| A & A DELTA ENERGY LIMITED | Private company limited by shares | Dissolved |
| TS ENTERPRISE LIMITED | Private company limited by shares | Live |
| EAST GRAND ENTERPRISES LIMITED | Private company limited by shares | Live |
| HO LAM ENTERPRISES COMPANY LIMITED | Private company limited by shares | Dissolved |
| Env-Sci Innovations Limited | Private company limited by shares | Live |
| HAN CRESTBRIGHT ENVIRONMENTAL GROUP LIMITED | Private company limited by shares | Dissolved |
| SHOUYANG SOLAY ENERGY GROUP LIMITED | Private company limited by shares | Live |
| FIDELITY ENVIRONMENTAL CONSULTANTS LIMITED | Private company limited by shares | Live |
| PAK NIC MARBLE ENGINEERING LIMITED | Private company limited by shares | Live |
| P3 ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| RICH SMART CONSTRUCTION AND ENGINEERING LIMITED | Private company limited by shares | Live |
| AILE ENGINEERING HONG KONG LIMITED | Private company limited by shares | Live |
| FABRIC FOCUS ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| BIO ENERGY HK LIMITED | Private company limited by shares | Live |
| ABC Enterprise Limited | Private company limited by shares | Live |
| TALENT YEAR ENTERPRISES LIMITED | Private company limited by shares | Live |
| engage Limited | Private company limited by shares | Live |
| CHINA ENERGY RESOURCES ENGINEERING LIMITED | Private company limited by shares | Live |
| MAYLAND ENGINEERING LIMITED | Private company limited by shares | Live |
| STAR WALK ENTERPRISE COMPANY LIMITED | Private company limited by shares | Live |
| G-POWER ENVIRONMENTAL TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| RICH MARK ENTERPRISES LIMITED | Private company limited by shares | Live |
| ENM DESIGN & ENGINEERING LIMITED | Private company limited by shares | Live |
| SIA Energy Limited | Private company limited by shares | Live |
| YU JIN ENVIRONMENTAL (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| DreamTime Entertainment (Asia) Limited | Private company limited by shares | Dissolved |
| ENERGY SURPLUS LIMITED | Private company limited by shares | Dissolved |
| KUN LI ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| CHINA ENERGY (HENAN) LIMITED | Private company limited by shares | Dissolved |
| WELLY CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SIGMA ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| MAINLAND CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| MAX CHINA CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| GRACE CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| ELITE CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| TRULY ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| SONIC-HAND ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| NEW CREATIVE ENTERPRISES COMPANY LIMITED | Private company limited by shares | Dissolved |
| KITCHEN SOLUTION ENGINEERING LIMITED | Private company limited by shares | Live |
| Chin Long Engineering Limited | Private company limited by shares | Live |
| HONG KONG ENVIRONMENT CITY LIMITED | Private company limited by shares | Live |
| WING KIN ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| FOCUS ENERGY LIMITED | Private company limited by shares | Live |
| GO SYSTEM ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| HOMEWELL ENVIRONMENTAL GROUP LIMITED | Private company limited by shares | Dissolved |