| Arieh Energy Limited | Private company limited by shares | Dissolved |
| ENMEI PRINTING (HONG KONG) CO., LIMITED | Private company limited by shares | Live |
| ENSURE WIN COMPANY LIMITED | Private company limited by shares | Live |
| ABLE GRAND ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| DRAGON TAI ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| TRUTH DESIGN & ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| ENIGMAX LIMITED | Private company limited by shares | Live |
| KBSS (HK) ENGINE INDUSTRY LIMITED | Private company limited by shares | Live |
| Glory & Grace Energy-Saving Limited | Private company limited by shares | Live |
| HK HUA NING ENVIRONMENT TECHNOLOGY HOLDING LIMITED | Private company limited by shares | Dissolved |
| ON DRAGON ENTERPRISE LIMITED | Private company limited by shares | Live |
| SHANGHAI ELEVATOR ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| J & S ENTERPRISE LIMITED | Private company limited by shares | Live |
| ENJOY FAME MACHINE (HK) LIMITED | Private company limited by shares | Live |
| GREEN ENERGY ENGINEERING CONSULTANCY LIMITED | Private company limited by shares | Live |
| SOLAR E&M ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SEwaii Construction & Engineering Limited | Private company limited by shares | Live |
| ENCANA COMPANY LIMITED | Private company limited by shares | Live |
| MEGA ENERGY SCIENTIFIC TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Green Energy Consulting Limited | Private company limited by shares | Live |
| SELAH ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| FOO TAT CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| KOREA ENERGY CO., LIMITED | Private company limited by shares | Dissolved |
| HONG KONG INTELLIGENT ENVIRONMENTAL CO. LIMITED | Private company limited by shares | Live |
| HK AOLUNDIWANG FURNITURE ENTERPRISE CO., LIMITED | Private company limited by shares | Live |
| WE STRONG ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| Energy Star Enterprise Limited | Private company limited by shares | Dissolved |
| OAK CAC ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| SUNLINK ENERGY LIMITED | Private company limited by shares | Live |
| Public Enemy Limited | Private company limited by shares | Live |
| LONG WAI CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| NEW ENERGY TECHNOLOGY (HOLDING) COMPANY LIMITED | Private company limited by shares | Live |
| ENARI SHOES (HK) CO., LIMITED | Private company limited by shares | Live |
| Pierson Capital Environmental Limited | Private company limited by shares | Live |
| BEI JING FIREFIGHTING AND GREEN ENVIRONMENTAL ENGINEERING LIMITED | Private company limited by shares | Live |
| DHW ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| KAI YUEN ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| WORLD GREEN ENVIRONMENT COUNCIL LIMITED | Private company limited by shares | Live |
| ENCANA INTERNATIONAL CO., LIMITED | Private company limited by shares | Dissolved |
| NOX Engineering Solutions Limited | Private company limited by shares | Dissolved |
| HK CHUNSE NEW ENERGY INVESTMENT HOLDING GROUP LIMITED | Private company limited by shares | Dissolved |
| TAK LEE (METAL) ENGINEERING LIMITED | Private company limited by shares | Live |
| Jenson Enterprises Limited | Company limited by guarantee | Live |
| KWAI WING ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| HONGKONG ENEN IMPORTS AND EXPORTS CO., LIMITED | Private company limited by shares | Live |
| NGAI YUEN ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| DIGIMIX ENGINEERING LIMITED | Private company limited by shares | Live |
| HUN YIP CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| HARVEST ENERGY LIMITED | Private company limited by shares | Live |
| Promise Construction Engineering Limited | Private company limited by shares | Live |
| MAGIC ENERGY INVESTMENTS LIMITED | Private company limited by shares | Live |
| KOC Entertainment Limited | Private company limited by shares | Live |
| A & I ENTERPRISE LIMITED | Private company limited by shares | Live |
| SILVER OCEAN ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| TELFORD ENVIRONMENT COMPANY LIMITED | Private company limited by shares | Live |
| H & C ENJOY LIMITED | Private company limited by shares | Dissolved |
| Yip's Engineering Hong Kong Limited | Private company limited by shares | Live |
| HORICH ENGINEERING LIMITED | Private company limited by shares | Live |
| Superb Engineering (Hong Kong) Limited | Private company limited by shares | Dissolved |
| TRADING & ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| Polypower Energy Limited | Private company limited by shares | Live |
| AQUATIC ENERGY TRADING LIMITED | Private company limited by shares | Live |
| ENJOYABLE PROFIT (CHINA) LIMITED | Private company limited by shares | Live |
| HUI MING ENTERPRISE CO., LIMITED | Private company limited by shares | Live |
| Hong Kong Enjoy Excellence International Investment & Consultant Co. Limited | Private company limited by shares | Live Commenced dormancy on 20-May-2016 |
| JAPAN JIUGANG GASOLINE ENGINE ZHUSHI HUISHE LIMITED | Private company limited by shares | Live |
| HK OCEAN & LAND ENVIRONMENTAL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| CENTURY ON ENTERPRISES LIMITED | Private company limited by shares | Live |
| NEWICK ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| GOODTIME ENGINEERING LIMITED | Private company limited by shares | Live |
| Three-Circles New Energy Co., Limited | Private company limited by shares | Live |
| SMOOTH RUN ENGINEERING LIMITED | Private company limited by shares | Live |
| BRIGHTON ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| GOLD IN ENGINEERING LIMITED | Private company limited by shares | Live |
| GOOD SIGHT ENGINEERING LIMITED | Private company limited by shares | Live |
| KENTWOOD ENGINEERING LIMITED | Private company limited by shares | Live |
| MILLIONS GAIN ENGINEERING LIMITED | Private company limited by shares | Live |
| BPV ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| ZG NEW ENERGY LIMITED | Private company limited by shares | Live |
| IRE ENTERPRISE LIMITED | Private company limited by shares | Live |
| FOKCHAK ENGINEERING LIMITED | Private company limited by shares | Live |
| HYPERION E&M AUTOMATION ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| MAX SKY ENTERPRISES LIMITED | Private company limited by shares | Live |
| TEXAS TRADING ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| WAH HING ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| MOODY ENTERPRISE LIMITED | Private company limited by shares | Live |
| Summit Engineering (Hong Kong) Limited | Private company limited by shares | Live |
| KEI YIP CONSTRUCTION , DESIGN & ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| Green Globe Environmental Secured Processing Limited | Private company limited by shares | Live |
| Vesta Energy Co., Limited | Private company limited by shares | Live |
| EAST TEAM ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| LAM KAM CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| Integrated Energy HK Limited | Private company limited by shares | Live |
| ENSIN INTERNATIONAL INVESTMENT MANAGEMENT LIMITED | Private company limited by shares | Live |
| TELEMAX ENVIRONMENTAL AND ENERGY MANAGEMENT INTERNATIONAL LIMITED | Private company limited by shares | Live |
| ROOFER ENERGY TECHNOLOGY LIMITED | Private company limited by shares | Live |
| PADERSON ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| MASON ENTERPRISES LIMITED | Private company limited by shares | Live |
| SKY OCEAN ENTERPRISES LIMITED | Private company limited by shares | Live |
| ONYX ENERGY LIMITED | Private company limited by shares | Dissolved |