| IN PLAIN LIMITED | Private company limited by shares | Dissolved |
| ON PLAIN LIMITED | Private company limited by shares | Dissolved |
| SKY PLAIN LIMITED | Private company limited by shares | Dissolved |
| NEW PLAIN LIMITED | Private company limited by shares | Live |
| PLAIN LIMITED | Private company limited by shares | Dissolved |
| TOP PLAIN LIMITED | Private company limited by shares | Dissolved |
| WIN PLAIN LIMITED | Private company limited by shares | Dissolved |
| PLAIN BASE LIMITED | Private company limited by shares | Dissolved |
| Carl Plain (International) Limited | | Live |
| PLAIN CHARM COMPANY LIMITED | Private company limited by shares | Dissolved |
| CHINA PLAIN LIMITED | Private company limited by shares | Dissolved |
| China Plain Question Don Limited | Private company limited by shares | Live |
| Plain HK Co., Limited | Private company limited by shares | Live |
| Plain Sailingtrading Co., Limited | | Live |
| SEA PLAIN SHIPPING CO., LIMITED | Private company limited by shares | Live |
| PLAIN SAILING INTERNATIONAL SHIPPING CO., LIMITED | | Live |
| Plain Collection Limited -The- | Private company limited by shares | Live |
| EAST PLAIN INTERNATIONAL TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| EVER PLAIN LIMITED | Private company limited by shares | Live |
| EXCEL PLAIN LIMITED | Private company limited by shares | Dissolved |
| PLAIN FIELD LIMITED | Private company limited by shares | Dissolved |
| FIRST PLAIN LIMITED | Private company limited by shares | Live |
| FLOWER PLAIN LIMITED | Private company limited by shares | Dissolved |
| PLAIN FORCE LIMITED | Private company limited by shares | Dissolved |
| FORTUNE PLAIN LIMITED | Private company limited by shares | Dissolved |
| PLAIN GOOD LIMITED | Private company limited by shares | Dissolved |
| GRAND PLAIN LIMITED | Private company limited by shares | Dissolved |
| PLAIN GRAND LIMITED | Private company limited by shares | Dissolved |
| GREEN PLAIN LIMITED | Private company limited by shares | Dissolved |
| GREEN PLAIN INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| HIGHLAND PLAIN LIMITED | Private company limited by shares | Live |
| HONG KONG PLAIN COMPANY LIMITED | Private company limited by shares | Dissolved |
| ASIA CENTRAL PLAIN INDUSTRIAL CO LIMITED | Private company limited by shares | Dissolved |
| DAILY PLAIN INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| Central Plain Industry Co., Limited | Private company limited by shares | Live |
| PLAIN INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| JADE PLAIN LIMITED | Private company limited by shares | Dissolved |
| Jade Plain International Trading Limited | Private company limited by shares | Live |
| JIASHAN KAIDIER PLAIN BEARING CO., LIMITED | Private company limited by shares | Live |
| CENTRAL PLAIN KNITTING COMPANY LIMITED | Private company limited by shares | Dissolved |
| MAIN PLAIN LIMITED | Private company limited by shares | Dissolved |
| PLAIN MANOR COMPANY LIMITED | | Live |
| Plain Sailing Maritime Company Limited | Private company limited by shares | Dissolved |
| PLAIN INTERNATIONAL MATERIALS CO., LIMITED | Private company limited by shares | Live |
| plain medical Limited | Private company limited by shares | Live |
| MEGA PLAIN LIMITED | Private company limited by shares | Dissolved |
| OCEAN PLAIN LIMITED | Private company limited by shares | Dissolved |
| Plain Organic Company Limited | Private company limited by shares | Live |
| ORIENT PLAIN LIMITED | Private company limited by shares | Dissolved |
| PACIFIC PLAIN LIMITED | Private company limited by shares | Dissolved |
| Plain Paper Laboratory Limited | Private company limited by shares | Live |
| GREEN PLAIN PROMOTION LIMITED | Private company limited by shares | Live |
| PROUD PLAIN LIMITED | Private company limited by shares | Dissolved |
| RICH PLAIN LIMITED | Private company limited by shares | Dissolved |
| PLAIN SAILING LIMITED | Private company limited by shares | Dissolved |
| Plain Sailing Limited | Private company limited by shares | Live |
| PLAIN SAILING INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Live Commenced dormancy on 09-Jun-2014 |
| Plain Sailing Trade Limited | | Live |
| PLAIN SEASON LIMITED | Private company limited by shares | Dissolved |
| PLAIN SAILING SHIPPING LIMITED | Private company limited by shares | Live |
| PLAIN SAILING (HONGKONG) SHIPPING LIMITED | | Live |
| PLAIN SAILING INT'L SHIPPING LIMITED | Private company limited by shares | Live |
| SMART PLAIN LIMITED | Private company limited by shares | Dissolved |
| PLAIN SOLUTIONS LIMITED | Private company limited by shares | Live |
| Plain Sailing Speedboat Company Limited | Private company limited by shares | Live |
| Plain Studio Limited | | Live |
| SUNNY PLAIN LIMITED | Private company limited by shares | Live |
| SUPER PLAIN LIMITED | Private company limited by shares | Dissolved |
| Plain Technology & Trade Co., Limited | Private company limited by shares | Live |
| BEST PLAIN TRADING LIMITED | Private company limited by shares | Live |
| SUNNY PLAIN TRADING LIMITED | Private company limited by shares | Live |
| PLAIN TREASURE LIMITED | Private company limited by shares | Dissolved |
| Plain Vanilla Limited | Private company limited by shares | Dissolved |
| VICTORY PLAIN LIMITED | Private company limited by shares | Dissolved |
| WELL PLAIN LIMITED | Private company limited by shares | Dissolved |
| PLAIN WELL LIMITED | Private company limited by shares | Dissolved |
| WISE PLAIN LIMITED | Private company limited by shares | Dissolved |
| PLAIN YEAR LIMITED | Private company limited by shares | Live |
| PLAINDUTY LIMITED | Private company limited by shares | Dissolved |
| PLAINEW COMPANY LIMITED | Private company limited by shares | Dissolved |
| PLAINFIELD LIMITED | Private company limited by shares | Dissolved |
| PLAINFUL INVESTMENTS LIMITED | Private company limited by shares | Live |
| HK CENTRAL PLAINS GROUP ESTATE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| HK CENTRAL PLAINS GROUP ESTATE INVESTMENT LIMITED | Private company limited by shares | Live |
| Central Plains Electrical Enterprises Limited | Private company limited by shares | Live |
| PLAINS FASHION COMPANY LIMITED | Private company limited by shares | Dissolved |
| GREAT PLAINS LIMITED | Private company limited by shares | Dissolved |
| GREAT PLAINS INVESTMENTS LIMITED | Private company limited by shares | Live |
| Great Plains Quality Meats Limited | Private company limited by shares | Live |
| GREAT PLAINS TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Central Plains (Hong Kong) Technology Limited | | Live |
| CENTRAL PLAINS ASSET MANAGEMENT (INT'L) LIMITED | Private company limited by shares | Live |
| CENTRAL PLAINS TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| EDUCATION TRAINING FEDERATION IN CENTRAL PLAINS LIMITED | Private company limited by shares | Live |
| WHITE PLAINS LIMITED | Private company limited by shares | Dissolved |
| WHITE PLAINS TRADING (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| Plainstone Asset Management (Hong Kong) Limited | Private company limited by shares | Live |
| Plainstone Capital Partners Limited | Private company limited by shares | Live |
| PLAINTECH LIMITED | Private company limited by shares | Dissolved |
| PLAINVIEW COMPANY LIMITED | Private company limited by shares | Live |