| AUTOSTART LIMITED | Private company limited by shares | Live |
| AUTOSTORAGE LIMITED | Private company limited by shares | Live |
| AUTOSTRADA HOBBY LIMITED | Private company limited by shares | Live |
| AUTOSTYLE ENTERPRISE (HK) LIMITED | Private company limited by shares | Dissolved |
| AUTOSTYLE INTERNATIONAL LIMITED | Private company limited by shares | Live |
| AUTOSUITE LIMITED | Private company limited by shares | Live |
| AUTOSUNG TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| AUTOSUNING TECHNOLOGY (HONG KONG) CO., LIMITED | Private company limited by shares | Dissolved |
| AutoSware Limited | Private company limited by shares | Live |
| AUTOSYS BUSINESS SOLUTIONS LIMITED | Private company limited by shares | Dissolved |
| AUTO-SYSTEM LIMITED | Private company limited by shares | Live |
| AutoSystem ICT Limited | Private company limited by shares | Live |
| CHARM FAITH AUTOSYSTEM CO., LIMITED | Private company limited by shares | Live Commenced dormancy on 01-Mar-2005 |
| HONG KONG WP PRECISION AUTO-SYSTEM LIMITED | Private company limited by shares | Live |
| AUTOTAG FAR EAST LIMITED | Private company limited by shares | Dissolved |
| AUTOTANK LIMITED | Private company limited by shares | Dissolved |
| AUTOTEC LIMITED | Private company limited by shares | Dissolved |
| Autotec Company Limited | Private company limited by shares | Live |
| CASTEL AUTOTEC LIMITED | Private company limited by shares | Dissolved |
| BYSUN AUTOTEC CO., LIMITED | Private company limited by shares | Live |
| SHANGHAI ADP AUTOTEC EXP&IMP CO., LIMITED | Private company limited by shares | Dissolved |
| AUTOTEC INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Live |
| Autotec Motor Service Company Limited | | Live |
| AUTOTEC-DANA HK LIMITED | Private company limited by shares | Live |
| AUTOTECH LIMITED | Private company limited by shares | Live |
| 10S Autotech Limited | Private company limited by shares | Live |
| AutoTech Pro Limited | Private company limited by shares | Live |
| HC AUTOTECH LIMITED | Private company limited by shares | Live |
| HK AUTOTECH LIMITED | Private company limited by shares | Live |
| AUTOTECH SYSTEMS (ASIA) LIMITED | Private company limited by shares | Dissolved |
| EZZE AUTOTECH LIMITED | Private company limited by shares | Live |
| AUTOTECH MACHINES LIMITED | Private company limited by shares | Dissolved |
| AUTO-TECH SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| Autotechecu Technic Co., Limited | Private company limited by shares | Live |
| AUTOTECHNICS (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| PENSKE AUTO-TECHNOLOGY (CHINA) CO., LIMITED | Private company limited by shares | Live |
| Autotechnos Limited | Private company limited by shares | Live |
| Autotecnika HK Limited | Private company limited by shares | Live |
| AUTOTECTURE COMPANY LIMITED | Private company limited by shares | Dissolved |
| 360 AUTOTEK LIMITED | Private company limited by shares | Live |
| AUTOTEK ANTENNA LIMITED | Private company limited by shares | Dissolved |
| AUTOTEK CO., LIMITED | Private company limited by shares | Live Commenced dormancy on 05-Feb-2014 |
| AUTOTEK METAL & PLASTIC ELECTRONICS LIMITED | Private company limited by shares | Dissolved |
| AUTOTEK HOLDINGS LIMITED | Private company limited by shares | Live |
| HONGKONG AUTOTEK TYRES INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| AUTOTEK INDUSTRIAL LIMITED | Private company limited by shares | Live |
| AUTOTEK MECHATRONICS INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| AUTOTEK PRODUCTS LIMITED | Private company limited by shares | Live |
| AUTOTO CAR SERVICE COMPANY LIMITED | | Live |
| Autoto Technology Limited | Private company limited by shares | Live |
| AUTOTOLL LIMITED | Private company limited by shares | Live |
| Autotone Group (China) Limited | Private company limited by shares | Live |
| AUTOTONG TRADING LIMITED | Private company limited by shares | Live |
| AUTO-TOP LIMITED | Private company limited by shares | Live |
| AUTOTRACK TECHNOLOGY LIMITED | Private company limited by shares | Live |
| AUTO-TRADE COMPANY LIMITED | Private company limited by shares | Dissolved |
| RICOS AutoTrade (HongKong) Co., Limited | | Live |
| HK AUTOTRADING LIMITED | Private company limited by shares | Live |
| AUTO-TREASURE LIMITED | Private company limited by shares | Live |
| AUTO-TREASURE (CHINA) LIMITED | Private company limited by shares | Dissolved |
| Autotri Limited | Private company limited by shares | Live |
| Autotron Limited | Private company limited by shares | Live |
| AUTOTRONIK-SMT (ASIA) LIMITED | Private company limited by shares | Live |
| Autotroph Limited | Private company limited by shares | Live |
| AUTOV HI-TECH LIMITED | Private company limited by shares | Dissolved |
| Autoverge Limited | | Live |
| AUTOVIBES TECHNOLOGY LIMITED | | Live |
| AUTOVIEW LIMITED | Private company limited by shares | Dissolved |
| AUTOVISION TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| AUTOVISTA INTERNATIONAL LIMITED | Private company limited by shares | Live |
| AUTOWAVE HK LIMITED | | Live |
| AUTO-WAY COMPANY LIMITED | Private company limited by shares | Dissolved |
| AUTO-WAY LIMITED | Private company limited by shares | Dissolved |
| AUTOWEB SOLUTIONS CO. LIMITED | Private company limited by shares | Dissolved |
| GOOD AUTO-WELDING TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| AUTOWELL LIMITED | Private company limited by shares | Dissolved |
| AUTOWELL LIMITED | Private company limited by shares | Live |
| AUTOWELL ENTERPRISE LIMITED | Private company limited by shares | Live |
| AUTOWER LIMITED | | Live |
| AUTOWIN LIMITED | Private company limited by shares | Live |
| AUTOWIN INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| AUTOWIN PRODUCTION LIMITED | Private company limited by shares | Live |
| BAL AUTOWINDOW LIMITED | Private company limited by shares | Live |
| AUTOWING LIMITED | | Live |
| AUTO-WINNER LIMITED | Private company limited by shares | Live |
| Autowise HK Company Limited | Private company limited by shares | Live |
| HK AUTOWOOD LIMITED | | Live |
| AUTOWORK LIMITED | Private company limited by shares | Dissolved |
| MB AUTOWORKS LIMITED | Private company limited by shares | Live |
| DNA AUTOWORKS LIMITED | Private company limited by shares | Dissolved |
| OZ Autoworks Limited | Private company limited by shares | Live |
| ALLWIN AUTOWORKS CO. LIMITED | Private company limited by shares | Live |
| ALPHATRON AUTOWORKS LIMITED | Private company limited by shares | Live |
| POWER DYNAMICS AUTOWORKS LIMITED | Private company limited by shares | Live |
| ROAD AUTOWORKS LIMITED | Private company limited by shares | Live |
| AUTO-WORLD COMPANY LIMITED | Private company limited by shares | Dissolved |
| AUTOWORLDS COMPANY LIMITED | Private company limited by shares | Live |
| AUTOWY HK Limited | Private company limited by shares | Dissolved |
| AUTOX CO., LIMITED | | Live |
| AutoX (Hong Kong) Limited | Private company limited by shares | Live |