| DAYA Investment Company D.O.O. Limited | Private company limited by shares | Live |
| Coode Doobe Company Limited | Private company limited by shares | Live |
| DOOBI LIMITED | Private company limited by shares | Live |
| DOOBLES LIMITED | Private company limited by shares | Dissolved |
| DOOBLNATUR LIMITED | | Live |
| DOOBO SOLUTION COMPANY LIMITED | Private company limited by shares | Dissolved |
| QQ Dooby Limited | Private company limited by shares | Live |
| DOOCASH INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| DOOCN INTERNATIONAL (HONGKONG) LIMITED | | Live |
| DOOCO HK, LIMITED | Private company limited by shares | Live |
| Doocroft Limited | Private company limited by shares | Live |
| DOOD Limited | Private company limited by shares | Live |
| HK DOOD CO., LIMITED | Private company limited by shares | Live |
| Doodddle Limited | Private company limited by shares | Live |
| Doodie Limited | Private company limited by shares | Live |
| Scribble and Doodle Educational Publications (HK) Limited | Private company limited by shares | Live |
| Neskie Doodle International Limited | Private company limited by shares | Live |
| DOODLE PRODUCTS LIMITED | Private company limited by shares | Live |
| DOODLE PRODUCTS ASIA LIMITED | Private company limited by shares | Live |
| YANKEE DOODLE COMPANY LIMITED | Private company limited by shares | Dissolved |
| DOODLEBUG LIMITED | Private company limited by shares | Live |
| Doodledotbox Limited | Private company limited by shares | Live |
| Rubek Doodles Limited | Private company limited by shares | Live |
| doodo LIMITED | Private company limited by shares | Live |
| DOODOOMOBI LIMITED | Private company limited by shares | Live |
| DOOG HK Limited | | Live |
| Doogoal HongKong Limited | Private company limited by shares | Live |
| DooHom Limited | | Live |
| DOOIL BIJOU CO., LIMITED | Private company limited by shares | Live |
| DOOIT GROUP TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| DOOKIE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| DOOKII PET PRODUCTS CO., LIMITED | Private company limited by shares | Dissolved |
| DOOL CHEMICALS COMPANY LIMITED | Private company limited by shares | Live |
| DO-OL CO., LIMITED | Private company limited by shares | Live |
| DOOLAB LIMITED | | Live |
| DOOLAN LIMITED | Private company limited by shares | Live |
| T.H. DOOLAN (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| DOOLCHEM COMPANY LIMITED | Private company limited by shares | Dissolved |
| FOR DOOLIE LIMITED | | Live |
| DOOLITTLE & ASSOCIATES LIMITED | Private company limited by shares | Dissolved |
| DOOM LIMITED | Private company limited by shares | Live |
| DOOMAX INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| DOOMED LUCK ENTERPRISE CO., LIMITED | Private company limited by shares | Dissolved |
| Doomi International Corporation Limited | Private company limited by shares | Live |
| H.K. JAN DOON CULTURAL CREATIVE LIMITED | Private company limited by shares | Live |
| Doon Optical (HK) Limited | Private company limited by shares | Live |
| DOON COMMON RAIL INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| DOONA HOLDINGS LIMITED | Private company limited by shares | Live |
| DOONA INTERNATIONAL LIMITED | Private company limited by shares | Live |
| Doonamoo Limited | Private company limited by shares | Live |
| DOONBERG MAINTENANCE LIMITED | Private company limited by shares | Live |
| DOONESBURY COMPANY LIMITED | Private company limited by shares | Dissolved |
| DOONS PURCHASING GROUP LIMITED | Private company limited by shares | Dissolved |
| DOONSIDE LIMITED | Private company limited by shares | Dissolved |
| DOOO CO. LIMITED | Private company limited by shares | Live |
| DOOO DOCHIDA LIMITED | Private company limited by shares | Live |
| DOOOOP LIMITED | Private company limited by shares | Live |
| DOOOR LIMITED | Private company limited by shares | Live |
| DOOPE LIMITED | Private company limited by shares | Dissolved |
| Doopler Limited | Private company limited by shares | Live |
| HONGKONG DOOPS TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| JET DOOR LIMITED | Private company limited by shares | Dissolved |
| GET DOOR LIMITED | Private company limited by shares | Dissolved |
| FUN DOOR LIMITED | Private company limited by shares | Dissolved |
| TRY DOOR LIMITED | Private company limited by shares | Live |
| ALL DOOR LIMITED | Private company limited by shares | Dissolved |
| LEE DOOR LIMITED | Private company limited by shares | Dissolved |
| DOOR COMPANY LIMITED | Private company limited by shares | Dissolved |
| I DOOR COMPANY LIMITED | Private company limited by shares | Dissolved |
| RED DOOR LIMITED | Private company limited by shares | Dissolved |
| DOOR IN LIMITED | Private company limited by shares | Dissolved |
| Red Door Limited | Private company limited by shares | Live |
| Our Door Limited | Private company limited by shares | Live |
| ART DOOR LIMITED | Private company limited by shares | Live |
| Door To Door Limited | Private company limited by shares | Live |
| One Door Company Limited | Private company limited by shares | Live |
| Dr. door Limited | Private company limited by shares | Live |
| Tea Door Limited | | Live |
| M Door HK Company Limited | | Live |
| Future Door (International) Shareholding Investment Academy Limited | Private company limited by shares | Live |
| EMCO ACOUSTIC DOOR LIMITED | Private company limited by shares | Dissolved |
| HK AIERJIA SLIPPAGE DOOR LIMITED | Private company limited by shares | Live |
| Pony Aluminium Door & Window Limited | | Live |
| GERMANY GE LAN SI DUN ALUMINUM INDUSTRY DOOR AND WINDOW INTERNATIONAL GROUP (HONGKONG) CO., LIMITED | Private company limited by shares | Live |
| PANPAN ANTI-THEFT DOOR MAINTAIN CO., LIMITED | Private company limited by shares | Live |
| Door to Asia Limited | Private company limited by shares | Live |
| Kitchen Door Asia, Limited | Private company limited by shares | Live |
| NINGBO RST AUTOMATIC DOOR CO., LIMITED | Private company limited by shares | Live |
| MEI YA BAO DUN AUTOMATIC DOOR SYSTEM COMPANY LIMITED | Private company limited by shares | Live |
| OPEN DOOR BAPTIST CHURCH LIMITED | Company limited by guarantee | Live |
| Black Door Capital Limited | Private company limited by shares | Live |
| Germany Brandenburg Door Indrustry Co., Limited | Private company limited by shares | Live |
| CHINA BUYANG WOODEN DOOR INDUSTRY GROUP HOLDING LIMITED | Private company limited by shares | Live |
| GERMAN CAMEL DOOR AND WINDOW TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| China Cellar Door Company Limited | Private company limited by shares | Live Ceased dormancy on 06-Jan-2014 |
| CHINA CHAMP AUTO DOOR CO., LIMITED | Private company limited by shares | Live |
| CHARMING DOOR LIMITED | Private company limited by shares | Dissolved |
| ZHEJIANG CHENFENG DOOR INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| CHINA DOOR LIMITED | Private company limited by shares | Dissolved |
| CHINA DOOR LIMITED | Private company limited by shares | Dissolved |