| CONGRESS COMPANY LIMITED | Private company limited by shares | Dissolved |
| NEW CONGRESS LIMITED | Private company limited by shares | Dissolved |
| Sino Africa Congress for the Promotion of International Trade Limited | | Live |
| BEAUTY CONGRESS COMPANY LIMITED | Private company limited by shares | Dissolved |
| XVII JUNIOR CHAMBER INTERNATIONAL WORLD CONGRESS LIMITED | Private company limited by shares | Dissolved |
| WORLD CONGRESS ON AGEING & DEMENTIA IN CHINESE COMMUNITIES CO. LIMITED | Company limited by guarantee | Dissolved |
| EXTRA CONGRESS LIMITED | Private company limited by shares | Live |
| PACIFIC CONGRESS LIMITED | Private company limited by shares | Live |
| The International Congress Of Oral Implantologists (Asia Pacific) Limited | | Live |
| CONGRESSMAN COMPANY LIMITED | Private company limited by shares | Dissolved |