| Sunstruck Enterprises Limited | Private company limited by shares | Live |
| Grandasy Engineering Company Limited | Private company limited by shares | Live |
| Ming Yip Engineering Company Limited | Private company limited by shares | Live |
| ENRESCO LIMITED | Private company limited by shares | Live |
| CENTURY ENVIRONMENTAL RECYCLING LIMITED | Private company limited by shares | Dissolved |
| NEW RISING ENGINEERING LIMITED | Private company limited by shares | Live |
| Wah Lung E & M Engineering Limited | Private company limited by shares | Dissolved |
| HOPEFIELD RENEWABLE ENERGY LIMITED | Private company limited by shares | Dissolved |
| SIU HEI AIR-CONDITION ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| ENERGISS LIMITED | Private company limited by shares | Dissolved |
| TCK ENGINEERING LIMITED | Private company limited by shares | Live |
| FAVDLIGN COSMETICS ENTERPRISES LIMITED | Private company limited by shares | Live |
| TRIUMPH ENVIRONMENT TECHNOLOGY ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| CREATECH ENERGY CO., LIMITED | Private company limited by shares | Live |
| ENVIRONMENTAL RECYCLING ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| ROCK ENTERPRISES LIMITED | Private company limited by shares | Live |
| ENTREPRENEURS FORUM OF CHINA & THE MIDDLE EAST LIMITED -THE- | Private company limited by shares | Dissolved |
| Good Environment Project Services Limited | Private company limited by shares | Live |
| KAI LEE WAH ENGINEERING LIMITED | Private company limited by shares | Live |
| SAN WAI ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| HK Power Engineering Limited | Private company limited by shares | Live |
| HEM Engineering Co., Limited | Private company limited by shares | Live |
| HK ZONSEN ENVIRONMENTAL PROTECTION TECHNOLOGY CO. LIMITED | Private company limited by shares | Live |
| JAPAN CHONGXIN BENTIAN ENGINE HOLDING GROUP LIMITED | Private company limited by shares | Dissolved |
| HK YINGFENG HOUSEHOLD ENVIRONMENT CONSTRUCT GROUP LIMITED | Private company limited by shares | Live |
| ENTENTE CONTRACTOR COMPANY LIMITED | Private company limited by shares | Live |
| Kam Yung New Energy Company Limited | Private company limited by shares | Live |
| GRAND PROMISE ENTERPRISE LIMITED | Private company limited by shares | Live |
| CHINA ENERGY MATERIALS LIMITED | Private company limited by shares | Live |
| SUN FAI ENGINEERING LIMITED | Private company limited by shares | Live |
| Enviro-Health Limited | Private company limited by shares | Live |
| ENRICH GLOBAL LIMITED | Private company limited by shares | Live |
| HO NGAI ENGINEERING LIMITED | Private company limited by shares | Live Commenced dormancy on 15-Aug-2016 |
| ENJOY HEALTH LIMITED | Private company limited by shares | Live |
| District Energy Capital II (Hong Kong) Co. Limited | Private company limited by shares | Dissolved |
| District Energy Capital III (Hong Kong) Co. Limited | Private company limited by shares | Dissolved |
| ENERGAS GAS-SYSTEM (HONG KONG) CO., LIMITED | Private company limited by shares | Live |
| ENJOY SHOW INTERNATIONAL LIMITED | Private company limited by shares | Live |
| YAT FAN ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| HUI KAI CONSTRUCTION ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| CGN NEW ENERGY TECHNOLOGY LIMITED | Private company limited by shares | Live |
| MEP Enterprise Limited | Private company limited by shares | Live |
| MAXI-FAITH ENGINEERING LIMITED | Private company limited by shares | Live |
| ENUO INTERNATIONAL EXPORT & IMPORT TRADING COMPANY LIMITED | Private company limited by shares | Live |
| Ming Yang Energy Investment (HK) International Limited | Private company limited by shares | Live |
| KKINGS ENTERTAINMENT LIMITED | Private company limited by shares | Live |
| NEW REGA ENTERPRISES CO., LIMITED | Private company limited by shares | Dissolved |
| NIWA NEXT ENERGY PRODUCTS LIMITED | Private company limited by shares | Live |
| NOVA ENERGY GROUP LIMITED | Private company limited by shares | Dissolved |
| Sino-Africa Energy Resource Company Limited | Private company limited by shares | Dissolved |
| CHINA TAI JI ENVIRONMENT PLANNING CO., LIMITED | Private company limited by shares | Dissolved |
| LIFA AIR ENVIRONMENTAL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| MUI SAN ENTERPRISES LIMITED | Private company limited by shares | Live |
| e-Natural Beauty Limited | Private company limited by shares | Dissolved |
| LIE ON ELECT. MECH. ENGINEERING LIMITED | Private company limited by shares | Live |
| BaiFor Engineer Limited | Private company limited by shares | Live |
| Sidus Energy Limited | Private company limited by shares | Dissolved |
| ALL TONE ENGINEERING LIMITED | Private company limited by shares | Live |
| TAIWAN ENGUANG VISION HEALTH CARE LIMITED | Private company limited by shares | Live |
| POWER CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| WEALTH CHINA ENERGY INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| Wah Kai Construction Engineering (Hong Kong) Company Limited | Private company limited by shares | Live |
| M G ENTERPRISE LIMITED | Private company limited by shares | Live |
| Yuanjun Environment Investment (HK) Holdings Limited | Private company limited by shares | Live Commenced dormancy on 12-Dec-2012 |
| Asia Environmental Energy Investment Limited | Private company limited by shares | Dissolved |
| HONG KONG HHJZ ENVIRONMENT PROTECTION YARN GROUP CO., LIMITED | Private company limited by shares | Dissolved |
| EuroTech Enterprises Limited | Private company limited by shares | Dissolved |
| U-BORNE ENVIRONMENTAL LIMITED | Private company limited by shares | Live |
| EL Enterprise Limited | Private company limited by shares | Dissolved |
| SUPER ENERGY TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| ENDEAVOR KONG YAN COMPANY LIMITED | Private company limited by shares | Dissolved |
| MULTIBOND ENGINEERING LIMITED | Private company limited by shares | Live |
| Orpheus Energy (Hong Kong) Limited | Private company limited by shares | Live |
| ENCOREBIS LIMITED | Private company limited by shares | Dissolved |
| SEMPERFELIX ENGINEERING LIMITED | Private company limited by shares | Live |
| YE JIA ENTERPRISES LIMITED | Private company limited by shares | Live |
| WANG KIT ENGINEERING LIMITED | Private company limited by shares | Live |
| MEI TOK ENGINEERING LIMITED | Private company limited by shares | Live |
| MAINKEY SOLAR SYSTEM ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| EVERQUEEN ENGINEERING COMPANY LIMITED | Private company limited by shares | Live Commenced dormancy on 26-Sep-2012 |
| NOVAREA POWER ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| FORTUNE ENERGY HOLDING LIMITED | Private company limited by shares | Live |
| Skywalker Engineering Limited | Private company limited by shares | Dissolved |
| HONG KONG JUN YU ENVIRONMENT CO., LIMITED | Private company limited by shares | Dissolved |
| IGP Energy Limited | Private company limited by shares | Live |
| NEW ENGINE HOLDINGS LIMITED | Private company limited by shares | Live |
| Strategic Global Energy Resources Company Limited | Private company limited by shares | Live |
| Ming Lee Environmental Transportation Co. Limited | Private company limited by shares | Live |
| SI HE ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| FF ENERGY LIMITED | Private company limited by shares | Live |
| Wang Kiu Advertising Engineering Limited | Private company limited by shares | Live |
| Eco Energy Asia Co., Limited | Private company limited by shares | Live |
| MILESTONE SPECIALTY ENGINEERING LIMITED | Private company limited by shares | Live |
| GOLD RISE ENGINEERING LIMITED | Private company limited by shares | Live |
| Infinis Energy Hong Kong Limited | Private company limited by shares | Live |
| NANDOU ENTERPRISE CO., LIMITED | Private company limited by shares | Live |
| CW ELECTRICAL ENGINEERING LIMITED | Private company limited by shares | Live |
| Carter Construction Engineering Limited | Private company limited by shares | Live |
| Wah Bao Energy Investment Limited | Private company limited by shares | Live |
| Soar Construction Engineering Co. Limited | Private company limited by shares | Live |