| Pioneer (HK) Electronics Co., Limited | | Live |
| SMART PIONEER ELECTRONICS CO., LIMITED | Private company limited by shares | Live |
| FIRST PIONEER ELECTRONICS LIMITED | Private company limited by shares | Dissolved |
| PIONEER ELECTRONICS (H.K.) LIMITED | Private company limited by shares | Live |
| PIONEER ELECTRONICS (HONG KONG) COMPANY LIMITED | Private company limited by shares | Dissolved |
| PIONEER ELECTRONICS TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| PIONEER ELECTRONICS TECHNOLOGY (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| PIONEER ELEMENTS LIMITED | Private company limited by shares | Dissolved |
| PIONEER ELITE LIMITED | Private company limited by shares | Live |
| PIONEER ELITE INC LIMITED | Private company limited by shares | Live |
| PIONEER ELITE CORPORATION LIMITED | Private company limited by shares | Live |
| PIONEER ELITE GROUP LIMITED | Private company limited by shares | Dissolved |
| Pioneer Elite International Company Limited | Private company limited by shares | Live |
| PIONEER EMPIRE LIMITED | Private company limited by shares | Live |
| Pioneer Energering Limited | | Live |
| PIONEER ENERGY LIMITED | Private company limited by shares | Dissolved |
| PIONEER ENERGY HK LIMITED | Private company limited by shares | Live |
| PIONEER ENERGY LIMITED | Private company limited by shares | Live |
| Pioneer Energy International (HK) Limited | Private company limited by shares | Live |
| SHANGHAI PIONEER SOLAR ENERGY TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Pioneer Energy Technology Limited | Private company limited by shares | Live |
| PIONEER ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| PIONEER AIM ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| PIONEER ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| PIONEER WAY ENGINEERING LIMITED | Private company limited by shares | Live |
| PIONEER ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| PIONEER MAX ENGINEERING LIMITED | Private company limited by shares | Live |
| ASIA PIONEER ENGINEERING LIMITED | Private company limited by shares | Live |
| ASIA PIONEER ENGINEERING (HK) LIMITED | Private company limited by shares | Live |
| PIONEER CENTURY ENGINEERING LIMITED | Private company limited by shares | Live |
| PIONEER ENGINEERING (CH) LIMITED | Private company limited by shares | Dissolved |
| PIONEER ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| PIONEER CLEANING (ENGINEERING) CO., LIMITED | Private company limited by shares | Live |
| PIONEER CONCEPTS (ENGINEERING) CO., LIMITED | Private company limited by shares | Live |
| PIONEER CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| Pioneer Construction & Engineering Limited | | Live |
| Pioneer Engineering Consultants Limited | Private company limited by shares | Live |
| PIONEER ELECTRICAL ENGINEERING LIMITED | Private company limited by shares | Live |
| GLOBAL PIONEER ENGINEERING CO. LIMITED | Private company limited by shares | Live |
| Pioneer Engineering Group Limited | Private company limited by shares | Live |
| PIONEER (H.K.) ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| PIONEER ENGINEERING SERVICE (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| PIONEER INDUSTRIAL AND ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| PIONEER ENGINEERING (MOTORS) LIMITED | Private company limited by shares | Live |
| PIONEER ENGINEERING (NO.1) LIMITED | Private company limited by shares | Live |
| PIONEER ORIENTAL ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| PIONEER SOLAR POWER ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| Pioneer Professional Engineering Company Limited | Private company limited by shares | Live |
| PIONEER OIL SERVICE AND ENGINEERING COMPANY LIMITED | | Live |
| PIONEER SMART ENGINEERING LIMITED | Private company limited by shares | Live |
| Pioneer Engineering Supplies Limited | Private company limited by shares | Live |
| PIONEER ENGINEERING & TRADING COMPANY LIMITED | Private company limited by shares | Live |
| PIONEER ENGINEERINGS LIMITED | Private company limited by shares | Dissolved |
| PIONEER SKY ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| Pioneer Gate Enterprise Limited | | Live |
| PIONEER INTERNATIONAL ENTERPRISE LIMITED | Private company limited by shares | Live |
| PIONEER ENTERPRISES, LIMITED | Private company limited by shares | Dissolved |
| PIONEER ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| PIONEER WIN ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SKY PIONEER ENTERPRISES LIMITED | Private company limited by shares | Live |
| PIONEER JOY ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| PIONEER ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| NEW PIONEER ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| PIONEER ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| PIONEER ENTERPRISES LIMITED | Private company limited by shares | Live |
| NEW PIONEER ENTERPRISES LIMITED | Private company limited by shares | Live |
| PIONEER ENTERPRISES LIMITED | Private company limited by shares | Live |
| PIONEER CENTURY ENTERPRISES LIMITED | Private company limited by shares | Live |
| PIONEER CONCORD ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| PIONEER DEER INTERNATIONAL ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| PIONEER DRAGON ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| DRAGON PIONEER ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| OCEAN PIONEER ENTERPRISES LIMITED | Private company limited by shares | Live |
| PIONEER VIEW ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| PIONEER WORLD ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| PIONEER ENTERTAINMENT LIMITED | Private company limited by shares | Live |
| PIONEER EQUITY LIMITED | Private company limited by shares | Dissolved |
| PIONEER ESTATES LIMITED | Private company limited by shares | Live |
| EVER PIONEER COMPANY LIMITED | Private company limited by shares | Dissolved |
| PIONEER EVER LIMITED | Private company limited by shares | Dissolved |
| EVER PIONEER LIMITED | Private company limited by shares | Live |
| EVER PIONEER (ASIA) LIMITED | Private company limited by shares | Dissolved |
| EVER PIONEER CORPORATION LIMITED | Private company limited by shares | Live |
| EVER PIONEER ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| EVER PIONEER INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| EVER PIONEER INTERNATIONAL LIMITED | Private company limited by shares | Live |
| EVER PIONEER INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| EXCEL PIONEER LIMITED | Private company limited by shares | Dissolved |
| PIONEER EXCEL LIMITED | Private company limited by shares | Dissolved |
| PIONEER EXCEL COMPANY LIMITED | Private company limited by shares | Live |
| EXCEL PIONEER INTERNATIONAL LIMITED | Private company limited by shares | Live |
| PIONEER EXIM LIMITED | Private company limited by shares | Live |
| PIONEER EXPERT LIMITED | Private company limited by shares | Dissolved |
| PIONEER EXPERT INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| PIONEER IMPORT & EXPORT CO., LIMITED | Private company limited by shares | Live |
| PIONEER IMPORT & EXPORT COMPANY LIMITED | Private company limited by shares | Dissolved |
| XC PIONEER IMPORT AND EXPORT LIMITED | Private company limited by shares | Live |
| PIONEER EXPORTS LIMITED | Private company limited by shares | Live |
| GLORY PIONEER EXPREE COMPANY LIMITED | Private company limited by shares | Live |
| PIONEER EXPRESS COMPANY LIMITED | Private company limited by shares | Dissolved |