| MAIN VICTORY LIMITED | Private company limited by shares | Live |
| MAIN VISION LIMITED | Private company limited by shares | Live |
| MAIN VISION ENTERPRISES LIMITED | Private company limited by shares | Live |
| MAIN WAVE LIMITED | Private company limited by shares | Dissolved |
| MAIN WAVE LIMITED | Private company limited by shares | Live |
| MAIN WEALTH LIMITED | Private company limited by shares | Dissolved |
| MAIN WEALTH LIMITED | Private company limited by shares | Live |
| MAIN WEALTH INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| MAIN WEALTH INVESTMENT LIMITED | Private company limited by shares | Live |
| MAIN WEALTHY LIMITED | Private company limited by shares | Live |
| WELL MAIN LIMITED | Private company limited by shares | Live |
| MAIN WELL LIMITED | Private company limited by shares | Dissolved |
| MAIN WELL LIMITED | Private company limited by shares | Dissolved |
| MAIN WIND COMPANY LIMITED | Private company limited by shares | Live |
| MAIN WING LIMITED | Private company limited by shares | Live |
| OCEAN WINNER MAIN COMPANY LIMITED | Private company limited by shares | Live |
| MAIN WINNING LIMITED | Private company limited by shares | Live |
| WISE MAIN LIMITED | | Live |
| WISE MAIN INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| MAIN YEARS LIMITED | Private company limited by shares | Dissolved |
| MAIN YEARS LIMITED | Private company limited by shares | Dissolved |
| MAIN YIELD LIMITED | | Live |
| MAIN YORK COMPANY LIMITED | Private company limited by shares | Dissolved |
| MAIN YOUNG COMPANY LIMITED | Private company limited by shares | Dissolved |
| Main1938 Limited | Private company limited by shares | Live |
| Hong Kong Maina Consultant Company Limited | | Live |
| MAINACE LIMITED | Private company limited by shares | Dissolved |
| MAINADV HONG KONG LIMITED | Private company limited by shares | Live |
| MAINAME LIMITED | Private company limited by shares | Dissolved |
| MAINAP LIMITED | Private company limited by shares | Dissolved |
| HK MAINARDO SHOES LIMITED | Private company limited by shares | Live |
| MAINART LIMITED | Private company limited by shares | Dissolved |
| MAINART TRADING COMPANY LIMITED | Private company limited by shares | Live |
| MAINATION LIMITED | Private company limited by shares | Live |
| MAINBASE LIMITED | Private company limited by shares | Live |
| MAINBASE DEVELOPMENT LIMITED | Private company limited by shares | Live |
| Mainbase Group Limited | Private company limited by shares | Live |
| MAINBASE MINERAL H.K. LIMITED | Private company limited by shares | Dissolved |
| Mainbase Industrial (Hong Kong) Limited | Private company limited by shares | Live |
| Mainbase Industrial (Hong Kong) 2nd Limited | Private company limited by shares | Live |
| MAINBERG LIMITED | Private company limited by shares | Live |
| MAINBERG GLOBAL LIMITED | Private company limited by shares | Dissolved |
| MAINBERG INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| MAINBERG TRADE LIMITED | Private company limited by shares | Live |
| SCHENZHEN MAINBERT TECHNOLOGY CO. LIMITED | Private company limited by shares | Dissolved |
| MAINBEST LIMITED | Private company limited by shares | Dissolved |
| Mainbest Limited | Private company limited by shares | Live |
| MAINBEST INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| MAINBLE ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| MAINBLE ENTERPRISES LIMITED | Private company limited by shares | Live |
| MAINBO LIMITED | Private company limited by shares | Dissolved |
| MAINBO LIMITED | Private company limited by shares | Dissolved |
| MAINBO ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| MAINBOND LIMITED | Private company limited by shares | Dissolved |
| MAINBOX LIMITED | Private company limited by shares | Live |
| MAINBRACE (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| Mainbrace Marine Limited | Private company limited by shares | Dissolved |
| MAINBRIGHT ENTERPRISES LIMITED | Private company limited by shares | Live |
| MAINCAN LIMITED | Private company limited by shares | Dissolved |
| MAINCAPITAL INVESTMENTS LIMITED | Private company limited by shares | Live |
| MAINCASE INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| Maincast Entertainment Limited | Private company limited by shares | Dissolved |
| MAINCASTLE PROJECTS & CO. LIMITED | Private company limited by shares | Dissolved |
| MAINCHANCE ELECTRONIC LIMITED | Private company limited by shares | Live |
| MAINCHANCE INDUSTRY COMPANY LIMITED | Private company limited by shares | Live |
| MAINCHEE LIMITED | Private company limited by shares | Dissolved |
| MAINCHEST LIMITED | Private company limited by shares | Dissolved |
| MAINCHIEF LIMITED | Private company limited by shares | Dissolved |
| MAINCHIN LIMITED | Private company limited by shares | Dissolved |
| MAINCHOICE INTERNATIONAL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| MAINCO LIMITED | Private company limited by shares | Dissolved |
| MAINCO LIMITED | Private company limited by shares | Dissolved |
| MAINCO LIMITED | Private company limited by shares | Live |
| MAINCO ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| MAINCO ENTERPRISES LIMITED | Private company limited by shares | Live |
| MAINCO INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| MAINCO INVESTMENT LIMITED | Private company limited by shares | Live |
| MAINCO PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| MAINCO TRADING LIMITED | Private company limited by shares | Live |
| MAINCO TRANSPORTATION LIMITED | Private company limited by shares | Dissolved |
| MAINCODE LIMITED | Private company limited by shares | Dissolved |
| MAINCORP LIMITED | Private company limited by shares | Dissolved |
| MAINCOURT COMPANY LIMITED | Private company limited by shares | Dissolved |
| Maincraft Limited | Private company limited by shares | Dissolved |
| MAINCROSS INVESTMENTS LIMITED | Private company limited by shares | Live |
| MAINDAS LIMITED | Private company limited by shares | Dissolved |
| MAINDAY TOURS SERVICE LIMITED | Private company limited by shares | Dissolved |
| MAINDE INT'L GROUP LIMITED | Private company limited by shares | Live |
| MAINDER COMPANY LIMITED | Private company limited by shares | Dissolved |
| MAINE LIMITED | Private company limited by shares | Dissolved |
| Maine Coon Holding Limited | Private company limited by shares | Live |
| MAINE INVESTMENTS LIMITED | Private company limited by shares | Live |
| MAINEAST LIMITED | Private company limited by shares | Dissolved |
| MAINEAST LIMITED | Private company limited by shares | Live |
| MAINEAST ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| MAINEFORD INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| MAINER ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| MAINER INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| MAINER SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| MAINETIM INDUSTRIAL (HONG KONG) LIMITED | Private company limited by shares | Live |