| GLORY ENGINEERING (HONG KONG) LIMITED | Private company limited by shares | Live |
| ENERGY STEP LIMITED | Private company limited by shares | Dissolved |
| YESHI GROUP GERMANY HAOWO ENGINE CO., LIMITED | Private company limited by shares | Live |
| CHARM POWER ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SUNNY HILL ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| ASIA FOSSIL ENERGY TRADING LIMITED | Private company limited by shares | Dissolved |
| MESNOW SOLAR NEW ENERGY LIMITED | Private company limited by shares | Dissolved |
| BRILLIANCE ENERGY TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| MEGA PRAISE CONSTRUCTION & ENGINEERING LIMITED | Private company limited by shares | Live |
| WISDOM SQUARE ENTERPRISES LIMITED | Private company limited by shares | Live |
| KS ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| KONG'S ENGINEERING LIMITED | Private company limited by shares | Live |
| Fortune Energy (Hong Kong) Limited | Private company limited by shares | Live |
| CONVINCED ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| OUR GLOBAL ENERGY CO., LIMITED | Private company limited by shares | Live |
| UBI ENERGY CO., LIMITED | Private company limited by shares | Dissolved |
| ENJOY FANCY GARMENT IMP. & EXP. CO., LIMITED | Private company limited by shares | Dissolved |
| InnovaNano Energy HK Limited | Private company limited by shares | Live |
| ENTEL TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| FRANCE ENJOY INT'L GROUP LIMITED | Private company limited by shares | Live |
| Fu Kei Construction Engineering Co. Limited | Private company limited by shares | Dissolved |
| FIRST WISDOM ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| WAH YU ENGINEER COMPANY LIMITED | Private company limited by shares | Live |
| FURNACE ENGINEERING & CONSULTING LIMITED | Private company limited by shares | Live |
| China Everbright Clean Energy Investment Limited | Private company limited by shares | Live |
| Poon Kei Engineering Limited | Private company limited by shares | Live |
| SHINING CAPITAL ENTERPRISES LIMITED | Private company limited by shares | Live |
| EnviroSolutions & Consulting Limited | Private company limited by shares | Live |
| GRACE FAME ENTERPRISE LIMITED | Private company limited by shares | Live |
| ENVIROTECH ENERGY SOLUTION PTY LIMITED | Private company limited by shares | Live |
| GREEN POINT E&M ENGINEERING (HONG KONG) LIMITED | Private company limited by shares | Live |
| ENERGY STAR LIMITED | Private company limited by shares | Live |
| POLY LINKER ENGINEERING LIMITED | Private company limited by shares | Live |
| UNITED BEST ENGINEERING LIMITED | Private company limited by shares | Live |
| FIRST LEADER ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| UNITED PETROLEUM ENERGY LIMITED | Private company limited by shares | Live |
| Axis Power Enterprises Limited | Private company limited by shares | Live |
| WELL CHARMING ENTERPRISE LIMITED | Private company limited by shares | Live |
| SOLAZYMEPE BIO ENGINEERING CO., LIMITED | Private company limited by shares | Dissolved |
| Enlight International Publishing Limited | Private company limited by shares | Live |
| ADVAN ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| BRILLINK ENTERPRISES LIMITED | Private company limited by shares | Live |
| ALEX RENEWABLE ENERGY (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live |
| DETECT ENGINEERING LIMITED | Private company limited by shares | Live |
| DRAGON FORTUNE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| AU & H2O ENERGY TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| Gamble E & M Engineering Limited | Private company limited by shares | Live |
| MEGA RICH ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| EUROPEAN & ASIAN STRATEGIC ENERGY & RESOURCES LIMITED | Private company limited by shares | Live |
| ENWEN INTERNATIONAL (HK) LIMITED | Private company limited by shares | Dissolved |
| Bio Environmental Protection Limited | Private company limited by shares | Live |
| Ming Kee (Asia) Engineering Company Limited | Private company limited by shares | Live |
| FU FAI AIR-CONDITION ENGINEERING CO. LIMITED | Private company limited by shares | Live |
| GUONENG ENERGY INVESTMENT LIMITED | Private company limited by shares | Live |
| CHINA ENVIRONMENT M&A FUND (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| ESSENTIAL ENGINEERING & HUMAN RESOURCES LIMITED | Private company limited by shares | Live |
| TKG ENTERPRISES LIMITED | Private company limited by shares | Live |
| KINGLAND ENGINEERING CONTRACTOR LIMITED | Private company limited by shares | Live |
| SIX ENTERPRISE LIMITED | Private company limited by shares | Live |
| ENERGY TECH INDUSTRIAL LIMITED | Private company limited by shares | Live |
| STAR LABEL ENTERPRISES LIMITED | Private company limited by shares | Live |
| MagMotion Environmental Technology Co Limited | Private company limited by shares | Dissolved |
| ENPOWER LIMITED | Private company limited by shares | Live |
| TONGJIANG ENVIRONMENTAL CO., LIMITED | Private company limited by shares | Dissolved |
| DRAGON MAX ENTERPRISE LIMITED | Private company limited by shares | Live |
| ENGINEERING POWER ASIA LIMITED | Private company limited by shares | Live |
| KO CHIT ENGINEERING LIMITED | Private company limited by shares | Live |
| GCL-POLY ENERGY (GUANGZHOU) LIMITED | Private company limited by shares | Live |
| WLF ENTERPRISE LIMITED | Private company limited by shares | Live |
| PHOENIX CONSTRUCTION ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| JINJI PRECISION ENGINEERING LIMITED | Private company limited by shares | Live |
| TWINS ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| S & S ENTERPRISE LIMITED | Private company limited by shares | Live |
| LEGEND ENGINEERINGS LIMITED | Private company limited by shares | Dissolved |
| HK TIANYU ENERGY IND LIMITED | Private company limited by shares | Live |
| AMIATA ENERGY CO., LIMITED | Private company limited by shares | Dissolved |
| Sunwill Engineering Limited | Private company limited by shares | Live |
| HK ENBELLA ACCESSORIES LIMITED | Private company limited by shares | Live |
| RADIANCE AIR CONDITIONING AND ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| KIN YIP CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| VITREO ENVIRONMENTAL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| MAN ENTERPRISE LIMITED | Private company limited by shares | Live |
| ENHANCE LIMITED | Private company limited by shares | Live |
| ABLE ENERGY INDUSTRIAL LIMITED | Private company limited by shares | Live |
| WISDOM ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| BLACK DRAGON ENTERTAINMENT LIMITED | Private company limited by shares | Live |
| ENVIRONMENTAL MASTER INTERNATIONAL TRADING LIMITED | Private company limited by shares | Dissolved |
| WIN FAVE ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| TSANG'S ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| I-TECH ENERGIES (HK) LIMITED | Private company limited by shares | Live |
| CONCORD FORTUNE ENERGIES LIMITED | Private company limited by shares | Dissolved |
| JACKSON ENGINEERING (HONG KONG) LIMITED | Private company limited by shares | Live |
| SHENZHEN MODERN RENEWABLE ENERGY LIMITED | Private company limited by shares | Live |
| RICH GRAND ENTERPRISES LIMITED | Private company limited by shares | Live |
| HUATONG ENERGY LIMITED | Private company limited by shares | Live |
| FULL CROWN ENGINEERING LIMITED | Private company limited by shares | Live |
| NEW DRAGON ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| Shanghai Allgreen Environmental Engineering Co., Limited | Private company limited by shares | Dissolved |
| CHINA ENERGY INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Live |
| CHI TUNG ENGINEERING LIMITED | Private company limited by shares | Dissolved |