| WORLDCOM LIMITED | Private company limited by shares | Dissolved |
| WORLDCOM LIMITED | Private company limited by shares | Dissolved |
| WORLDCOM LIMITED | Private company limited by shares | Live |
| WORLDCOM LIMITED | | Live |
| WORLDCOM ASIA LIMITED | Private company limited by shares | Dissolved |
| Worldcom Asia Limited | Private company limited by shares | Live |
| WORLDCOM CHINA LIMITED | Private company limited by shares | Dissolved |
| WorldCom E-Commerce Co., Limited | Private company limited by shares | Live |
| Worldcom Holding Limited | Private company limited by shares | Live |
| WORLDCOM INVESTMENT LIMITED | Private company limited by shares | Live |
| WORLDCOM ADVANCED NETWORKS HK LIMITED | Private company limited by shares | Dissolved |
| WORLDCOM PACIFIC LIMITED | Private company limited by shares | Live |
| POWERTECH WORLDCOM LIMITED | Private company limited by shares | Live |
| HK WORLDCOM DISPLAY TECH LIMITED | Private company limited by shares | Live |
| WORLD.COM TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| WorldCom Technology Limited | Private company limited by shares | Live |
| WORLDCOM TRADING LIMITED | Private company limited by shares | Dissolved |
| WORLDCOM TRADING COMPANY LIMITED | Private company limited by shares | Live |