| JOINT EFFORT (HK) PROPERTIES LIMITED | Private company limited by shares | Live |
| JOINT EFFORTS COMPANY LIMITED | Private company limited by shares | Dissolved |
| DE JOINT ELECTRICAL APPLIANCES (HK) LIMITED | Private company limited by shares | Live |
| JOINT ELECTRONIC COMPANY LIMITED | Private company limited by shares | Dissolved |
| JOINT CENTURY ELECTRONIC LIMITED | Private company limited by shares | Live |
| HK KENKE JOINT ELECTRONIC TECH LIMITED | Private company limited by shares | Live |
| JOINT WIN ELECTRONICS COMPANY LIMITED | Private company limited by shares | Live |
| JOINT ASIA ELECTRONICS LIMITED | Private company limited by shares | Live |
| JOINT TECHNOLOGY ELECTRONICS LIMITED | Private company limited by shares | Live |
| Joint Electronics Technology HK Limited | Private company limited by shares | Live |
| JOINT WOOD ELECTRONICS LIMITED | Private company limited by shares | Dissolved |
| JOINT ELEGANT LIMITED | Private company limited by shares | Dissolved |
| JOINT ELEGANT LIMITED | Private company limited by shares | Live |
| JOINT ELITE LIMITED | Private company limited by shares | Live |
| ELITE JOINT LIMITED | Private company limited by shares | Live |
| ELITE JOINT LIMITED | Private company limited by shares | Live |
| JOINT ELITE INTERNATIONAL HOLDING LIMITED | Private company limited by shares | Live |
| JOINT EMPIRE LIMITED | Private company limited by shares | Live |
| JOINT ENERGY LIMITED | Private company limited by shares | Live |
| JOINT ENERGY LIMITED | Private company limited by shares | Live |
| Joint Energy Asia Limited | Private company limited by shares | Dissolved |
| JOINT ENERGY OVERSEAS CONSULTING COMPANY LIMITED | Private company limited by shares | Dissolved |
| JOINT ENERGY GLOBAL LIMITED | Private company limited by shares | Live |
| Joint Energy International Limited | | Live |
| JOINT SKY ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| JOINT ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| JOINT WIN ENGINEERING LIMITED | Private company limited by shares | Live |
| JOINT ENGINEERING CO ., LIMITED | Private company limited by shares | Live |
| JOINT ALLIANCE ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| JOINT ASIA ENGINEERING LIMITED | Private company limited by shares | Live |
| BEST JOINT ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| JOINT BEST ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| JOINT BROTHER ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| CHINA INTERNATIONAL AIXIN ENGINEERING JOINT ASSOCIATION LIMITED | Private company limited by shares | Live |
| JOINT WIN AIR CONDITIONER ENGINEERING LIMITED | Private company limited by shares | Live |
| JOINT WIN CONSTRUCTION AND ENGINEERING COMPANY LIMITED | | Live |
| JOINT CONSTRUCTION ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| JOINT FAITH CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| JOINT MECHANO CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| HOC JOINT VENTURE CONSTRUCTION & ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| JOINT VENTURE CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| JOINT WELL CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| JOINT ART DESIGN & ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| JOINT EFFORT ENGINEERING LIMITED | Private company limited by shares | Live |
| JOINT EFFORT ENGINEERING (ASIA) LIMITED | Private company limited by shares | Live |
| JOINT EFFORT ENGINEERING (CHINA) LIMITED | Private company limited by shares | Dissolved |
| JOINT EFFORT ENGINEERING (INTERNATIONAL) LIMITED | Private company limited by shares | Live |
| ETERNAL JOINT ENGINEERING LIMITED | Private company limited by shares | Live |
| EVER JOINT ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| EXCEL JOINT ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| JOINT FAITH ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| JOINT FIELD ENGINEERING LIMITED | Private company limited by shares | Live |
| JOINT FORCE ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| FORTUNE JOINT ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| GLORY JOINT ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| GRAND JOINT ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| JOINT HILL ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| HING YIP JOINT ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| JOINT HOUSE ENGINEERING HK LIMITED | Private company limited by shares | Live |
| MASTER JOINT ENGINEERING LIMITED | Private company limited by shares | Live |
| JOINT OCEAN ENGINEERING LIMITED | Private company limited by shares | Live |
| RICH JOINT ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| JOINT RICH ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| JOINT RISE ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SMART JOINT ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| JOINT SMART ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SMART JOINT ENGINEERING (H.K.) LIMITED | Private company limited by shares | Dissolved |
| JOINT STAR ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| Joint Star Engineering Company Limited | | Live |
| JOINT SUCCESS ENGINEERING LIMITED | Private company limited by shares | Live |
| SUPER JOINT ENGINEERING LIMITED | Private company limited by shares | Live |
| JOINT TEAM ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| JOINT VENTURE ENGINEERING LIMITED | Private company limited by shares | Live |
| JOINT VISION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| JOINT WISDOM ENGINEERING LIMITED | Private company limited by shares | Live |
| JOINT WISE ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| JOINT WORLD ENGINEERING LIMITED | Private company limited by shares | Live |
| JOINT YIELD ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| JOINT ENRICH LIMITED | Private company limited by shares | Dissolved |
| JOINT WAY ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| JOINT ART ENTERPRISE COMPANY LIMITED | Private company limited by shares | Live |
| JOINT WIN ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| JOINT ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| JOINT ENTERPRISE LIMITED | Private company limited by shares | Live |
| JOINT CHAMP INTERNATIONAL ENTERPRISE LIMITED | Private company limited by shares | Live |
| JOINT SEA INTERNATIONAL ENTERPRISE CO., LIMITED | Private company limited by shares | Live |
| JOINT FAITH ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| JOINT LUCK ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| MEGA JOINT INTERNATIONAL ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| JOINT RICH INTERNATIONAL ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| JOINT RICH INTERNATIONAL ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| JOINT SOURCE ENTERPRISE LIMITED | Private company limited by shares | Live |
| JOINT SUCCESS INTERNATIONAL ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| JOINT VANTAGE ENTERPRISE LIMITED | Private company limited by shares | Live |
| JOINT WELL INTERNATIONAL ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| JOINT KEY ENTERPRISES COMPANY LIMITED | Private company limited by shares | Live |
| JOINT ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| JOINT FIT ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| JOINT TOP ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| JOINT IN ENTERPRISES LIMITED | Private company limited by shares | Live |