| E-TEC LIMITED | Private company limited by shares | Dissolved |
| HMD ETEC CO., LIMITED | Private company limited by shares | Live |
| E-TEC GROUP LIMITED | Private company limited by shares | Dissolved |
| HONG KONG WING TIMES E-TEC LIMITED | Private company limited by shares | Live |
| E-Tec Solutions Limited | Private company limited by shares | Live |
| ETECH LIMITED | Private company limited by shares | Dissolved |
| E-TECH JPS LIMITED | Private company limited by shares | Dissolved |
| E-TECH LIMITED | Private company limited by shares | Live |
| TOM E-TECH LIMITED | Private company limited by shares | Dissolved |
| Fox Etech Limited | Private company limited by shares | Live |
| E-TECH INC LIMITED | Private company limited by shares | Live |
| BK e-Tech Limited | Private company limited by shares | Live |
| E-TECH LIMITED | Private company limited by shares | Live |
| Etech Ads Limited | | Live |
| AB.BA E-TECH LIMITED | Private company limited by shares | Live |
| E-TECH AQUARIA LIMITED | Private company limited by shares | Dissolved |
| E-TECH ASIA LIMITED | Private company limited by shares | Dissolved |
| E-TECH ASIA LIMITED | Private company limited by shares | Live |
| BLUELIGHT ETECH LIMITED | Private company limited by shares | Live |
| BONGEAR E-TECH LIMITED | Private company limited by shares | Dissolved |
| E-TECH CATERING LIMITED | Private company limited by shares | Dissolved |
| E-TECH CENTRAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| ETECH CENTRE LIMITED | Private company limited by shares | Dissolved |
| E-TECH CURE CHARITABLE FOUNDATION LIMITED | Company limited by guarantee | Live |
| ETECH CHINA LIMITED | Private company limited by shares | Live |
| MAX CHINA ETECH CO LIMITED | Private company limited by shares | Dissolved |
| China Etech Groups Limited | Private company limited by shares | Live |
| Shenzhen China Etech Co. Limited | Private company limited by shares | Live |
| E-TECH IC Co., Limited | Private company limited by shares | Live |
| UNI ETECH CO., LIMITED | Private company limited by shares | Live |
| H&S ETECH CO., LIMITED | Private company limited by shares | Live |
| Etech Med Co., Limited | Private company limited by shares | Live |
| CHINA ETECH CO., LIMITED | Private company limited by shares | Live |
| E-TECH ELECTRICAL ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| E-TECH ENTERPRISE CO., LIMITED | Private company limited by shares | Dissolved |
| Etech Enterprise Co., Limited | Private company limited by shares | Live |
| SHENZHEN GIGA ETECH CO., LIMITED | Private company limited by shares | Live |
| E-TECH ELECTRONIC INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| ETECH INNOVATION CO., LIMITED | Private company limited by shares | Live |
| ETECH MACHINERY & MOLD CO., LIMITED | Private company limited by shares | Live |
| Revoview Etech Co., Limited | | Live |
| E-Tech Supply Co., Limited | Private company limited by shares | Live |
| E-TECH TECHNOLOGY (ASIA) CO., LIMITED | Private company limited by shares | Dissolved |
| E-TECH (SHENZHEN) TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Shenzhen Etech Technology Co., Limited | Private company limited by shares | Live |
| ETECH TECHNOLOGY TRADE CO., LIMITED | Private company limited by shares | Live |
| ETECH COMMUNICATION LIMITED | Private company limited by shares | Live |
| E-TECH CONSTRUCTION COMPANY LIMITED | Private company limited by shares | Dissolved |
| E-TECH CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| E-TECH MANAGEMENT CONSULTANTS LIMITED | Private company limited by shares | Live |
| E-TECH SYSTEM CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| ETECH CONTROL COMPANY LIMITED | Private company limited by shares | Live |
| ETECH CONTROL (ASIA) COMPANY LIMITED | Private company limited by shares | Live |
| ETECH CORE COMPANY LIMITED | Private company limited by shares | Dissolved |
| ETECH CORPORATION LIMITED | Private company limited by shares | Live |
| E-TECH CORPORATION LIMITED | Private company limited by shares | Live |
| E-TECH TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| E-TECH DEVELOPMENT LIMITED | Private company limited by shares | Live |
| ETECH (ASIA) DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| E-TECH Electronics Development Limited | Private company limited by shares | Live |
| ETECH INDUSTRIAL DEVELOPMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| E-TECH INDUSTRIAL DEVELOPMENT LIMITED | Private company limited by shares | Live |
| VCWT E-Tech Development Co., Limited | Private company limited by shares | Dissolved |
| DiDo (Ningbo) E-Tech Co., Limited | Private company limited by shares | Live |
| E-TECH DIGITAL LIMITED | Private company limited by shares | Live |
| E-TECH EDUCATION I T LIMITED | Private company limited by shares | Live |
| E-Tech Electrical Company Limited | Private company limited by shares | Live |
| E-TECH ELECTRICAL & ELECTRONIC CO., LIMITED | Private company limited by shares | Live |
| E-TECH ELECTRONICS LIMITED | Private company limited by shares | Live |
| E-TECH ELECTRONICS (ASIA) LIMITED | Private company limited by shares | Live |
| ETECH ELECTRONICS (HONG KONG) LIMITED | Private company limited by shares | Live |
| E-TECH ELEX LIMITED | Private company limited by shares | Dissolved |
| E-TECH ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| GAP E-Tech Engineering Limited | Private company limited by shares | Live |
| e-Tech Engineering Company Limited | Private company limited by shares | Live |
| E-TECH CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| E-TECH ENGINEERING ELECTRON LIMITED | Private company limited by shares | Dissolved |
| E-Tech Heating Engineering Limited | Private company limited by shares | Live |
| E-Tech Hotel Engineering Limited | Private company limited by shares | Live |
| E-TECH REFRIGERATING ENGINEERING LIMITED | Private company limited by shares | Live |
| E-TECH ENVIRONMENTAL ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| ETECH PORT EQUIPMENT (CHINA) LIMITED | Private company limited by shares | Live |
| E-TECH MARINE EQUIPMENT SERVICE CO., LIMITED | Private company limited by shares | Live |
| E-TECH ELECTRICAL EQUIPMENT SUPPLIERS COMPANY LIMITED | Private company limited by shares | Live |
| E-TECH FINANCE COMPANY LIMITED | Private company limited by shares | Live Ceased dormancy on 19-May-2016 |
| ETECH FIRE LIMITED | Private company limited by shares | Live |
| FLYING E-TECH CO., LIMITED | Private company limited by shares | Dissolved |
| ETECH GARMENT LIMITED | Private company limited by shares | Dissolved |
| E-TECH GLOBAL LIMITED | Private company limited by shares | Live |
| GOOD LUCK ETECH LIMITED | | Live |
| Great E-Tech Service Limited | Private company limited by shares | Live |
| E-TECH GROUP LIMITED | Private company limited by shares | Live |
| ETech ASIC Group (Hong Kong) Limited | | Live |
| ETECH TECHNOLOGY GROUP (HONGKONG) CO., LIMITED | Private company limited by shares | Live |
| E-TECH HEAT PUMPS LIMITED | Private company limited by shares | Live |
| Yu Qiu Etech (HK) Co., Limited | Private company limited by shares | Live |
| E-TECH MICROELECTRONICS (HK) CO., LIMITED | Private company limited by shares | Dissolved |
| E-tech (HK) Engineering Limited | Private company limited by shares | Live |
| E-TECH GROUP (HK) LIMITED | Private company limited by shares | Live |
| ETECH TECHNOLOGIES (HK) LIMITED | Private company limited by shares | Live |