| HK PENGYU INTERNATIONAL DOOR INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| HK YINGMENG INTERNATIONAL DOOR INDUSTRY LIMITED | Private company limited by shares | Live |
| NUOMEISEN INT'L DOOR INDUSTRY (HK) LIMITED | Private company limited by shares | Dissolved |
| GERMANY KAIMI ENERGY-SAVING DOOR AND WINDOW INT'L GROUP LIMITED | Private company limited by shares | Live |
| GERMANY WDLK INT'L DOOR GROUP LIMITED | Private company limited by shares | Live |
| GERMANY HEERMAN INT'L DOOR & WINDOW LIMITED | Private company limited by shares | Live |
| EASTERN DOOR INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| HAPPY DOOR INVESTMENT LIMITED | Private company limited by shares | Live |
| DRAGON DOOR INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| GRAND DOOR INVESTMENTS LIMITED | Private company limited by shares | Live |
| DOOR SPEAK INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| ITALY SHENGFEIYA SLIDING DOOR GROUP LIMITED | Private company limited by shares | Live |
| GERMANY JILAIDENG DOOR INDUSTRY LIMITED | Private company limited by shares | Live |
| JINFUKANG DOOR CO., LIMITED | Private company limited by shares | Live |
| Future Door World Elite Joint Association Limited | Private company limited by shares | Dissolved |
| JOYFUL DOOR LIMITED | Private company limited by shares | Dissolved |
| GERMANY KALUOLI DOOR & WINDOW INTERNATIONAL GROUP LIMITED | Private company limited by shares | Live |
| GERMANY KRONE DOOR CONTROL LIMITED | Private company limited by shares | Live |
| Legend Door Company Limited | | Live |
| Well Lift Door Co., Limited | Private company limited by shares | Live |
| LUCKY DOOR LIMITED | Private company limited by shares | Live |
| MANIFOLD DOOR LIMITED | Private company limited by shares | Dissolved |
| GERMANY ORFF MEETALL SLIDING DOOR LIMITED | Private company limited by shares | Live |
| MIGHTY DOOR LIMITED | Private company limited by shares | Dissolved |
| MIGHTY DOOR LIMITED | Private company limited by shares | Live |
| MA ON SHAN SOUTH SKY DOOR THE KING OF THE SKY TIN HAU MOTHER COMPANY LIMITED | Company limited by guarantee | Dissolved |
| NEXT DOOR LIMITED | Private company limited by shares | Dissolved |
| NEXT DOOR COMPANY LIMITED | Private company limited by shares | Dissolved |
| Next Door Limited | Private company limited by shares | Live |
| GERMANY NUOLAITE WINDOWS DOOR HARDWARE INDUSTRY CO., LIMITED | Private company limited by shares | Dissolved |
| OCEAN DOOR CA LIMITED | Private company limited by shares | Dissolved |
| Open Door Limited | Private company limited by shares | Live |
| Open The Door Limited | Private company limited by shares | Live |
| Open Door Asia Limited | Private company limited by shares | Dissolved |
| OPEN DOOR ENTERPRISES LIMITED | Private company limited by shares | Live |
| OPEN DOOR INTERNATIONAL LIMITED | Private company limited by shares | Live |
| OPEN DOOR MINISTRIES LIMITED | Company limited by guarantee | Live |
| OPEN DOOR STUDIO LIMITED | Private company limited by shares | Live |
| PACIFIC DOOR COMPANY LIMITED | Private company limited by shares | Dissolved |
| TAI PING PANEL DOOR FACTORY LIMITED | Private company limited by shares | Live |
| Open Door Productions Limited | Private company limited by shares | Dissolved |
| OPEN DOOR PROPERTY LIMITED | Private company limited by shares | Live |
| record Automatic Door (Hong Kong) Limited | Private company limited by shares | Live |
| RED DOOR RESTAURANT LIMITED | Private company limited by shares | Live |
| RICH DOOR COMPANY LIMITED | Private company limited by shares | Dissolved |
| RICH DOOR LIMITED | Private company limited by shares | Live |
| Rickety Door Limited | Private company limited by shares | Live |
| GERMANY STEINBACH SUNSHINE ROOM DOOR AND WINDOW SYSTEM CO., LIMITED | Private company limited by shares | Live |
| ROUGE DOOR COMPANY LIMITED | Private company limited by shares | Dissolved |
| ROYAL DOOR INTERNATIONAL GROUP LIMITED | Private company limited by shares | Live |
| GERMANY RUILAISHI DOOR AND WINDOW SYSTEM LIMITED | Private company limited by shares | Live |
| SALES DOOR LIMITED | Private company limited by shares | Live |
| SANELY DOOR LIMITED | Private company limited by shares | Dissolved |
| MINIBOX TO DOOR SERVICE COMPANY LIMITED | Private company limited by shares | Live |
| SHEEN DOOR LIMITED | Private company limited by shares | Dissolved |
| HING SHING DOOR ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| SILVER DOOR LIMITED | Private company limited by shares | Dissolved |
| SILVER DOOR INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| Sliding Door Creative Limited | Private company limited by shares | Live |
| TO DOOR SOLUTION LIMITED | | Live |
| SOMMELIER NEXT DOOR LIMITED | Private company limited by shares | Live |
| SOURCE OF XIAN WOOD DOOR CO., LIMITED -THE- | Private company limited by shares | Live |
| Grand Star Door Company Limited | Private company limited by shares | Live |
| Studio Door (HK) Limited | Private company limited by shares | Live |
| SUCCESS DOOR LIMITED | Private company limited by shares | Live |
| SUCCESS DOOR ENTERPRISES LIMITED | Private company limited by shares | Live |
| GERMANY AUNDRO WINDOW & DOOR HARDWARE SYSTEM LIMITED | Private company limited by shares | Live |
| XING TAI TECHNOLOGY DOOR CONTROL HARDWARE COMPANY LIMITED | Private company limited by shares | Live |
| HK XINHONGSHUN TECHNOLOGY DOOR INDUSTRY LIMITED | Private company limited by shares | Live |
| ZHEJIANG TENGLONG DOOR INDUSTRY CO., LIMITED | Private company limited by shares | Dissolved |
| TORMAX Automatic Door Systems (Asia/Pacific) Limited | Private company limited by shares | Live |
| DREAM DOOR TRADING LIMITED | Private company limited by shares | Live |
| ROOT DOOR TRADING LIMITED | Private company limited by shares | Live |
| UNITE DOOR LIMITED | Private company limited by shares | Dissolved |
| VICTORY DOOR LIMITED | Private company limited by shares | Live |
| Tesio Curtain Wall Door & Window System Limited | Private company limited by shares | Live |
| HONGKONG WANG QUAN DOOR INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| HK WANRUIBANG DOOR & WINDOW CURTAIN WALL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| WEALTH DOOR LIMITED | Private company limited by shares | Dissolved |
| WEALTH DOOR INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| Brio Window And Door System Limited | Private company limited by shares | Live |
| MAN CHONG WINDOW & DOOR ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| CROWN DOOR AND WINDOW CO., LIMITED | Private company limited by shares | Live |
| G&C FUSON WINDOW & DOOR CO., LIMITED | Private company limited by shares | Live |
| GERMANY WEI NUO SI DOOR AND WINDOW CO., LIMITED | Private company limited by shares | Live |
| GERMANY NUOWEISI DOOR WINDOW GROUP LIMITED | Private company limited by shares | Live |
| MOSIA (GERMANY) DOOR & WINDOW HOLDING CO., LIMITED | Private company limited by shares | Dissolved |
| GERMANY KELUNTE DOOR & WINDOW HOLDING GROUP LIMITED | Private company limited by shares | Live |
| GERMANY LIANG DOOR & WINDOW LIMITED | Private company limited by shares | Live |
| GERMANY SUOFEIYA SYSTEM DOOR & WINDOW LIMITED | Private company limited by shares | Live |
| Lip Hing Yeung's Window and Door Accessories Company Limited | Private company limited by shares | Live |
| FOSHAN SANGUAN WINDOW AND DOOR SYSTEM LIMITED | Private company limited by shares | Live |
| THINTO DOOR WINDOW LIMITED | Private company limited by shares | Live |
| HK XIAISHIMU FURNITURE DOOR & WINDOW LIMITED | Private company limited by shares | Live |
| WISDOM DOOR LIMITED | Private company limited by shares | Live |
| KIN HING DOOR & WOOD CO., LIMITED | Private company limited by shares | Live |
| HONGKONG YUNJIN HOME FURNISHING WOODEN DOOR LIMITED | Private company limited by shares | Live |
| HONGKONG LONGXUAN WOODEN DOOR INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| YELLOW DOOR LIMITED | Private company limited by shares | Live |
| GERMANY YUNFENGXURIGE DOOR & WINDOW SHARES LIMITED | Private company limited by shares | Dissolved |