| ON WANG ENGINEERING LIMITED | Private company limited by shares | Live |
| ENERGYPOWER SERVICE LIMITED | Private company limited by shares | Live Commenced dormancy on 03-Mar-2015 |
| G.E.M. ENGINEERING (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live |
| Siu Kei Construction Engineering Limited | Private company limited by shares | Live |
| PUYANG LIFE ENERGY & ENVIRONMENT TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| ENGLAND ROYAL GROUP INTERNATIONAL ASSET CUSTODY LIMITED | Private company limited by shares | Dissolved |
| JOIN DRAGON ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| Tai He Energy Limited | Private company limited by shares | Live |
| HAN CHENG ENERGY INVESTMENTS GROUP LIMITED | Private company limited by shares | Dissolved |
| GE Energy Concept Limited | Private company limited by shares | Dissolved |
| PROMARINE ENGINEERING CO., LIMITED | Private company limited by shares | Dissolved |
| Y & Y Eng. Co. Limited | Private company limited by shares | Dissolved |
| VIEWS DESIGN ENGINEERING LIMITED | Private company limited by shares | Live |
| NEW KAM KEE PAINTING ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| NEOPOW NEW ENERGY CO., LIMITED | Private company limited by shares | Dissolved |
| ASIAPAC ENGINEERING LIMITED | Private company limited by shares | Live |
| Three Hundred Sixty Renewable Energy Solution Co. Limited | Private company limited by shares | Live |
| MING NGAI AIR CONDITION & ELECTRICAL ENGINEERING CO. LIMITED | Private company limited by shares | Live |
| OCEAN LEGEND ENTERPRISES LIMITED | Private company limited by shares | Live |
| Enrich (HK) Design CO., Limited | Private company limited by shares | Live Commenced dormancy on 14-Mar-2016 |
| Shiryu Engineering Limited | Private company limited by shares | Live |
| ALLIED OCEAN ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| LUCKY HARBOUR ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| MAX HONEST ENTERPRISE LIMITED | Private company limited by shares | Live |
| ENVI CONSULT LIMITED | Private company limited by shares | Live |
| CYBER DRAGON ENTERPRISES LIMITED | Private company limited by shares | Live |
| ENV-TECH CHINA LIMITED | Private company limited by shares | Dissolved |
| ZHEN KEI DISMANTLE ENGINEERING LIMITED | Private company limited by shares | Live |
| CHINA RENEWABLE ENERGY LIMITED | Private company limited by shares | Dissolved |
| I MAY ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| Social Enterprise Limited | Company limited by guarantee | Live |
| HARADA INTERNATIONAL ENVIRONMENT LIMITED | Private company limited by shares | Live |
| SHU LIN ENTERPRISES LIMITED | Private company limited by shares | Live |
| YUK KEE ELECTRICAL ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| GER SOLTECH NEW ENERGY LIMITED | Private company limited by shares | Dissolved |
| ENCRYPTION (HK) SERVICE LIMITED | Private company limited by shares | Live |
| WIND SUN ENERGY CO., LIMITED | Private company limited by shares | Dissolved |
| NORTHLINK ENERGY LIMITED | Private company limited by shares | Live |
| Dual-Win Enterprises Co., Limited | Private company limited by shares | Live |
| NOAHSIA ENERGY LIMITED | Private company limited by shares | Live |
| ENERGY ENVIRONMENT HOLDINGS LIMITED | Private company limited by shares | Live |
| NTG New Energies Holdings Limited | Private company limited by shares | Live |
| MARK ENGINEERING LIMITED | Private company limited by shares | Live |
| ZIRRUS ENERGY COMPANY LIMITED | Private company limited by shares | Live |
| Ensemble Events Limited | Private company limited by shares | Dissolved |
| DIK FAT ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| GRAND ENERGY TECHNOLOGY LIMITED | Private company limited by shares | Live |
| TIN YAN MACHINERY TRADING & ENGINEERING LIMITED | Private company limited by shares | Live |
| CHANGHUA ENTERPRISE CO., LIMITED | Private company limited by shares | Dissolved |
| Lee Tong E&M Engineering Limited | Private company limited by shares | Live |
| ALLIE ENERGY RESOURCES LIMITED | Private company limited by shares | Dissolved |
| ENJOY (CHINA) GROUP CO., LIMITED | Private company limited by shares | Dissolved |
| EVER GAIN ENGINEERING LIMITED | Private company limited by shares | Live |
| LUCKY TALENT ENGINEERING LIMITED | Private company limited by shares | Live |
| EVER GRAND ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| EASY LUCK ENGINEERING LIMITED | Private company limited by shares | Live |
| KONG HILL ENGINEERING LIMITED | Private company limited by shares | Live |
| VISION PROTECH ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SMART HONEST ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| TOPFAME CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| ENTIRE TOP LIMITED | Private company limited by shares | Live |
| LUCKY CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| ENERGY GAIN INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| GCL Solar Energy Trading Limited | Private company limited by shares | Live |
| SHUI HING ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| New Energy Technology Hong Kong Limited | Private company limited by shares | Live |
| MUN CHI ENGINEERING CO. LIMITED | Private company limited by shares | Dissolved |
| EVER MING ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| YUK WAI ENTERPRISES COMPANY LIMITED | Private company limited by shares | Live |
| DEO ENTERPRISES LIMITED | Private company limited by shares | Live |
| BM X ENTERTAINMENT LIMITED | Private company limited by shares | Dissolved |
| HOP LIK ENVIRONMENTAL CLEANING SERVICE LIMITED | Private company limited by shares | Live |
| HENRY ENGINEERING (HONG KONG) LIMITED | Private company limited by shares | Live |
| HON LUNG ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| SHENG MAO TRADE ENTERPRISE CO., LIMITED | Private company limited by shares | Live |
| ESP ENTERPRISE CO LIMITED | Private company limited by shares | Live |
| GREEN POWER ENVIRONMENTAL (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| TOP CAPITAL ENGINEERING LIMITED | Private company limited by shares | Live |
| STAR CHOICE ENTERPRISES LIMITED | Private company limited by shares | Live |
| CHARM GAIN ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| TOPMAX ENTERPRISES LIMITED | Private company limited by shares | Live |
| ELITE CHOICE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| Asia Environmental Electroplating Technology Limited | Private company limited by shares | Live |
| ENERGY PROPERTIES COMPANY LIMITED | Private company limited by shares | Live |
| TARGET AIM ENGINEERING LIMITED | Private company limited by shares | Live |
| U1 DIGITAL ENTERTAINMENT GROUP LIMITED | Private company limited by shares | Live |
| CHENGCHENG ENERGY COMPANY LIMITED | Private company limited by shares | Live |
| DLEE ENVIRONMENT (HK) LIMITED | Private company limited by shares | Dissolved |
| INNOVATIVE SOCIAL ENTERPRISES LIMITED | Private company limited by shares | Live |
| ENO2 LIMITED | Private company limited by shares | Live |
| ENERGY KEY LIMITED | Private company limited by shares | Live |
| ORIGINS CAPITAL ENERGY LIMITED | Private company limited by shares | Live |
| SAN-SHINE ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| ENRICH LUCK LIMITED | Private company limited by shares | Live |
| ENERGY INDUSTRY & TRADE LIMITED | Private company limited by shares | Dissolved |
| COME WIN ENGINEERING LIMITED | Private company limited by shares | Live |
| HK ENJOY GRADEN OF EDEN BEAUTY INDUSTRY GROUP LIMITED | Private company limited by shares | Live |
| Enjoy Outdoor International Co., Limited | Private company limited by shares | Live |
| INNOVATIVE ENGLISH EDUCATION LIMITED | Private company limited by shares | Live |
| PAR LAM ENGINEERING CO., LIMITED | Private company limited by shares | Live |