| H.K. GOLDPACFIC INV. GROUP (MAINLAND) SHARES LIMITED | Private company limited by shares | Dissolved |
| Jia's Mainland International Investment Holding Group Limited | Private company limited by shares | Live |
| HKAW Fundsoil Mainland Investment Co., Limited | Private company limited by shares | Dissolved |
| Hongkong Professional Support Association of Mainland Young Immigrants Limited -The- | Company limited by guarantee | Live |
| ZHONGGANG MAINLAND INDUSTRIAL CO., LIMITED | Private company limited by shares | Dissolved |
| MAINLAND INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| MAINLAND INVESTMENT LIMITED | Private company limited by shares | Live |
| MAINLAND ASIA INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| MAINLAND CAPITAL INVESTMENT LIMITED | Private company limited by shares | Live |
| Southwest Mainland Investment Limited | Private company limited by shares | Live |
| MAINLAND INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| CHINA MAINLAND MAGAZINE PUBLICATION CO., LIMITED | Private company limited by shares | Dissolved |
| MAINLAND METALS & MINERALS LIMITED | Private company limited by shares | Dissolved |
| OULAI (China) YA MAINLAND HOLDING GROUP LIMITED | | Live |
| MAINLAND ASIA PACIFIC LIMITED | Private company limited by shares | Dissolved |
| MAINLAND PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| MAINLAND REALTY LIMITED | Private company limited by shares | Dissolved |
| LIU JIANG SCHOOL MAINLAND & OVERSEAS COUNCIL LIMITED | Company limited by guarantee | Live |
| MAINLAND SHELTERS LIMITED | Private company limited by shares | Dissolved |
| Mainland Shoes Center Limited | Private company limited by shares | Live |
| MAINLAND TIN SMELTING LIMITED | Private company limited by shares | Dissolved |
| Mainland Software Limited | Private company limited by shares | Live |
| XI WANG HE FAN NAO MAINLAND TRADE LIMITED | Private company limited by shares | Dissolved |
| GERMANY WEIDIOU MAINLAND LIMITED | Private company limited by shares | Live |
| MAINLAND WEIDIOU DIANPEN SYSTEM (CHINA) CO., LIMITED | Private company limited by shares | Live |
| Starian Mainland-Hong Kong Students Career Exchange Centre Limited | | Live |
| China Mainland-Hong Kong Youngsters Exchange Association Limited | | Live |
| MAINLANDOOR LIMITED | Private company limited by shares | Dissolved |
| MAINLANE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| MAINLANE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| MAINLAP COMPANY LIMITED | Private company limited by shares | Dissolved |
| MAINLET GARMENTS LIMITED | Private company limited by shares | Dissolved |
| MAINLET INVESTMENTS LIMITED | Private company limited by shares | Live |
| MAINLET TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| MAINLEY LIMITED | Private company limited by shares | Dissolved |
| GOLD MAINLEY COMPANY LIMITED | Private company limited by shares | Live |
| MAINLEY INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| MAINLIGHT ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| MAINLIKE INVESTMENT LIMITED | Private company limited by shares | Live |
| MAINLIND LIMITED | Private company limited by shares | Live |
| MAINLINE LIMITED | Private company limited by shares | Live |
| MAINLINE JET LIMITED | Private company limited by shares | Live |
| MAINLINE ASIA LIMITED | Private company limited by shares | Dissolved |
| MAINLINE CONSULTANCY LIMITED | Private company limited by shares | Live |
| MAINLINE INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| MAINLINK INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| MAINLINK INVESTMENT LIMITED | Private company limited by shares | Live |
| MAINLION INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| MAINLOK LIMITED | Private company limited by shares | Dissolved |
| MAINLORD COMPANY LIMITED | Private company limited by shares | Live |
| MAINLOVE LIMITED | Private company limited by shares | Dissolved |
| MAINLUCK LIMITED | Private company limited by shares | Dissolved |
| MAINLUCK DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| MAINLUXE LIMITED | Private company limited by shares | Dissolved |
| MAINLUXE INVESTMENT LIMITED | Private company limited by shares | Live |
| MAINLY ON LIMITED | Private company limited by shares | Dissolved |
| MAINLY LIMITED | Private company limited by shares | Dissolved |
| MAINLY LIMITED | Private company limited by shares | Live |
| MAINLY ASIA LIMITED | Private company limited by shares | Dissolved |
| MAINLY GUIDE LIMITED | Private company limited by shares | Dissolved |
| MAINLY HABERDASHERY COMPANY LIMITED | Private company limited by shares | Dissolved |
| MAINLY INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| MAINLY TOP INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| MAINLY POINT INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| MAINLY LACE COMPANY LIMITED | Private company limited by shares | Dissolved |
| MAINLY POINT LIMITED | Private company limited by shares | Dissolved |
| MAINLY PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| MAINLY RICH LIMITED | Private company limited by shares | Dissolved |
| MAINLY RICH ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| MAINLY SUCCESS ENTERPRISES LIMITED | Private company limited by shares | Live |
| MAINLY VICTORY LIMITED | Private company limited by shares | Dissolved |
| MAINMAP LIMITED | Private company limited by shares | Dissolved |
| MAINMAST COMPANY LIMITED | Private company limited by shares | Dissolved |
| MAINMAST ENTERPRISES COMPANY LIMITED | Private company limited by shares | Dissolved |
| MAINMATE COMPANY LIMITED | Private company limited by shares | Dissolved |
| MAINMOON DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| Mainnovation Company Limited | Private company limited by shares | Live |
| Mainny Limited | | Live |
| MAINON LIMITED | Private company limited by shares | Dissolved |
| MAINONG FOOD (KOREA) LIMITED | Private company limited by shares | Dissolved |
| MainPc Group (Hong Kong) Limited | Private company limited by shares | Dissolved |
| MAINPEX INTERNATIONAL CORP CO., LIMITED | Private company limited by shares | Live |
| MAINPLAS COMPANY LIMITED | Private company limited by shares | Dissolved |
| MAINPLUS COMPANY LIMITED | Private company limited by shares | Dissolved |
| MAINPOINT ASIA LIMITED | Private company limited by shares | Live |
| MAINPOINT INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| MAINPOINT MATERIAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| MAINPOINT TEXTILES LIMITED | Private company limited by shares | Live |
| MAINPOINT TRADING LIMITED | Private company limited by shares | Live |
| MAINPOLE LIMITED | Private company limited by shares | Live |
| Mainpole Plastic Limited | | Live |
| MAINPOST LIMITED | Private company limited by shares | Dissolved |
| MAINPOTA COMPANY LIMITED | Private company limited by shares | Dissolved |
| MAINPOWER LIMITED | Private company limited by shares | Dissolved |
| MAINPOWER ENTERPRISE CO., LIMITED | Private company limited by shares | Dissolved |
| MAINPROFIT COMPANY LIMITED | Private company limited by shares | Dissolved |
| MainProsperous Limited | Private company limited by shares | Live |
| MAINREEF LIMITED | Private company limited by shares | Dissolved |
| MAINRI CAPITAL LIMITED | Private company limited by shares | Live |
| Mainri Games (Hong Kong) Limited | Private company limited by shares | Live |