| Doin & Company Limited | Private company limited by shares | Live |
| DOINE MECHANICAL AND ELECTRICAL LIMITED | Private company limited by shares | Live |
| DOING LIMITED | Private company limited by shares | Live |
| DOING BABY (HONGKONG) CO., LIMITED | Private company limited by shares | Live |
| DOING BRAVO LIMITED | Private company limited by shares | Live |
| Learning By Doing Center Limited | Private company limited by shares | Live |
| Doing Business Co., Limited | Private company limited by shares | Live |
| XIAMEN DOING STONE INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| Doing Fun Technology Co., Limited | Private company limited by shares | Live |
| DOING TRADE CO., LIMITED | Private company limited by shares | Live |
| DOING WELL CO., LIMITED | Private company limited by shares | Live |
| DOING ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| DOING ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| Doing Enterprise Company Limited | Private company limited by shares | Live |
| DOING GOOD LIMITED | Private company limited by shares | Live |
| DOING ELECTRIC (HK) CO., LIMITED | Private company limited by shares | Live |
| DOING (CHINA) HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| DOING HONG KONG LIMITED | Private company limited by shares | Dissolved |
| HONGKONG DOING INDUSTRY LIMITED | Private company limited by shares | Live |
| Hongkong Doing International Trade Co., Limited | Private company limited by shares | Live |
| HONGKONG DOING WELL INTERNATIONAL CO. LIMITED | Private company limited by shares | Live |
| DO-ING INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| DOING INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| Rong Doing International Group Co., Limited | | Live |
| DOING INT'L CORP. LIMITED | Private company limited by shares | Live |
| DOING INT'L INVESTMENT CONSULTANT MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| KING DOING CORPORATION LIMITED | Private company limited by shares | Live |
| DOING SHIPPING LIMITED | Private company limited by shares | Live |
| DOING TECHNICS LIMITED | Private company limited by shares | Dissolved |
| DOING WELL LIMITED | Private company limited by shares | Dissolved |
| DoingBusinessAsia.Com Limited | Private company limited by shares | Live |
| DOINGEX DRAGON IMPORT AND EXPORT TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| DO-INGS CO., LIMITED | Private company limited by shares | Dissolved |
| DOINGS TRADING COMPANY, LIMITED | Private company limited by shares | Dissolved |
| HK DOINI LIMITED | Private company limited by shares | Live |