| GEHWOO ENTERPRISE CO. LIMITED | Private company limited by shares | Live |
| Xin Yuan Engineering Design Company Limited | Private company limited by shares | Live |
| LONGWELL CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| Top A Electrical Engineering Company Limited | Private company limited by shares | Live |
| TRUSTY ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| EPT Energy Inc. Limited | Private company limited by shares | Live |
| HUNT ENGINE CONSULTANT LIMITED | Private company limited by shares | Live |
| DA HUA POWER ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SUNECO GREEN ENERGY LIMITED | Private company limited by shares | Live |
| SUN LOK ENGINEERING LIMITED | Private company limited by shares | Live |
| HK HUAYUAN ENVIRONMENTAL PROTECTION TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| POWERFUL ENERGY LIMITED | Private company limited by shares | Live |
| SURESMART ENGINEERING TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| VIGA ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| ENERGY INDUSTRIAL LIMITED | Private company limited by shares | Live |
| ELITE ENVIRONMENTAL SOLUTIONS LIMITED | Private company limited by shares | Live |
| Fortune Dragon Energy Limited | Private company limited by shares | Live |
| ADF ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| BECANCHI ENVIRONMENTAL SOLUTION TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| TDR Energy Investment Limited | Private company limited by shares | Dissolved |
| DRAGON GLORY ENTERPRISES LIMITED | Private company limited by shares | Live |
| HONEST HARMONY ENTERPRISE LIMITED | Private company limited by shares | Live |
| ART CONCORD ENTERPRISES LIMITED | Private company limited by shares | Live |
| GOLD BEST ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| BEST FORD ENGINEERING LIMITED | Private company limited by shares | Live |
| CENTURY TIME ENTERPRISES LIMITED | Private company limited by shares | Live |
| Wan Lee Construction Engineering Limited | Private company limited by shares | Live |
| WEICHENG ENGINEERING CONSULTING LIMITED | Private company limited by shares | Live |
| VICTOR NEW ENERGIES LIMITED | Private company limited by shares | Dissolved |
| GLOBAL MACHINERY ENGINEERING CONSULTING LIMITED | Private company limited by shares | Dissolved |
| ENILEC SARL LIMITED | Private company limited by shares | Live |
| RIGHT POINT ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| DM ENERGY HOLDING LIMITED | Private company limited by shares | Live |
| ENRO INTERNATIONAL LIMITED | Private company limited by shares | Live |
| OSI ENTERPRISE COMPANY LIMITED | Private company limited by shares | Live |
| Hong Kong Environmental & Testing Centre Limited | Private company limited by shares | Dissolved |
| VICTORY ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| YING MING ENTERPRISES COMPANY LIMITED | Private company limited by shares | Live |
| AC Engineering Limited | Private company limited by shares | Dissolved |
| SAN WO CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| ENRICH LAND LIMITED | Private company limited by shares | Live |
| Yuk Kee Engineering Company Limited | Private company limited by shares | Live |
| WING KEI ELECTRIC ENGINEERING LIMITED | Private company limited by shares | Live |
| CHINA NICE ENTERPRISES LIMITED | Private company limited by shares | Live |
| ECOTA ENVIRONMENTAL TECHNOLOGY (H.K) CO, LIMITED | Private company limited by shares | Live Commenced dormancy on 14-Jan-2016 |
| Elite Entrepreneur Association Limited | Private company limited by shares | Live |
| Encom Company Limited | Private company limited by shares | Dissolved |
| TS ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| HARVEST RENEWABLE ENERGY CO. LIMITED | Private company limited by shares | Dissolved |
| ASIA GLOBAL ENVIRONMENT SCIENCE GROUP LIMITED | Private company limited by shares | Dissolved |
| GDE SCIENTIFIC ENERGY CONSERVATION COMPANY LIMITED | Private company limited by shares | Dissolved |
| SOUTH DRAGON ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| Enterproid HK Limited | Private company limited by shares | Live |
| NICE CONSTRUCTION & ENGINEERING LIMITED | Private company limited by shares | Live |
| KIF Architecture Design & Engineering Limited | Private company limited by shares | Dissolved |
| ENHUA GLOBAL SHIPPING AND TRADING LIMITED | Private company limited by shares | Dissolved |
| ENTASIS (HONG KONG) LIMITED | Private company limited by shares | Live |
| JOEYEE ENTERPRISE CO., LIMITED | Private company limited by shares | Live |
| HK NEW ENERGY INDUSTRIAL ELECTRICAL LIMITED | Private company limited by shares | Dissolved |
| HK DA VINCI ENVIRONMENT ARTISTIC DESIGIN LIMITED | Private company limited by shares | Dissolved |
| SENG NGAI M&E ENGINEERING LIMITED | Private company limited by shares | Live |
| ENFINEON TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Lai Lim Engineering Limited | Private company limited by shares | Dissolved |
| ZENIT ASIA ENGINEERING LIMITED | Private company limited by shares | Live |
| GRAND POLY ENVIRONMENT TECHNOLOGY LIMITED | Private company limited by shares | Live |
| TOPONO ENTERPRISE COMPANY LIMITED | Private company limited by shares | Live |
| GUANG YANG ENGINE CO., LIMITED | Private company limited by shares | Dissolved |
| BAO LONG ENERGY COMPANY LIMITED | Private company limited by shares | Live |
| GLOBAL ENPOWERMENT LIMITED | Private company limited by shares | Live |
| NEXSHOES ENTERPRISE CO., LIMITED | Private company limited by shares | Dissolved |
| CENTURY CENTRO ENTERPRISES LIMITED | Private company limited by shares | Live |
| SOLAR ENERGY LIMITED | Private company limited by shares | Live |
| Wo Lee Air-Condition Electrical Engineering Limited | Private company limited by shares | Live |
| OCEAN HARVEST ENTERPRISE DEV. LIMITED | Private company limited by shares | Dissolved |
| ENERGY HONG KONG GROUP LIMITED | Private company limited by shares | Dissolved |
| ELITE CONCEPT ENGINEERING LIMITED | Private company limited by shares | Live |
| SHL ENTERPRISES LIMITED | Private company limited by shares | Live |
| HK HUMAN HABITAT ENVIRONMENT DESIGN LIMITED | Private company limited by shares | Dissolved |
| CHEMICO OIL & GAS ENERGY LIMITED | Private company limited by shares | Live |
| Fame Max Engineering Limited | Private company limited by shares | Dissolved |
| BUZ ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| MANIFEST ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| Altusvia Energy Limited | Private company limited by shares | Dissolved |
| EVERBOND ENGINEERING LIMITED | Private company limited by shares | Live |
| CROWN LUCK ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| Steady Pool & Sauna Engineering Limited | Private company limited by shares | Live |
| NEW KEY ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| HARVEST VIEW ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| MILLENNIUM ENGINEERING (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live |
| BOLDIN ENGINEERING CONSULTING LIMITED | Private company limited by shares | Live |
| ENERGY HEALTH LIMITED | Private company limited by shares | Dissolved |
| TTI ENTERPRISE LIMITED | Private company limited by shares | Live |
| BISAGNI ENVIRONMENTAL ENTERPRISE INCORPORATED LIMITED | Private company limited by shares | Live |
| TIMES ENVIRONMENTAL INDUSTRY (HK) LIMITED | Private company limited by shares | Dissolved |
| One Enterprises Limited -The- | Private company limited by shares | Dissolved |
| CONCORD ENTERTAINMENT LIMITED | Private company limited by shares | Live |
| ENVIROGEAR COMPANY LIMITED | Private company limited by shares | Live |
| BDE INDUSTRIAL ENERGY SAVING SOLUTION LIMITED | Private company limited by shares | Live |
| GRAND TARGET ENTERPRISES LIMITED | Private company limited by shares | Live |
| Eason Industrial Engineering Co., Limited | Private company limited by shares | Live |