| SUN WAH OMNIBUS COMPANY LIMITED | Private company limited by shares | Dissolved |
| OMNIBUS LIMITED | Private company limited by shares | Dissolved |
| Lex Omnibus Limited | Private company limited by shares | Live |
| OMNIBUS (ASIA) LIMITED | Private company limited by shares | Dissolved |
| CHINA GENERAL OMNIBUS COMPANY LIMITED -THE- | Company limited by guarantee | Dissolved |
| Omnibus Co., Limited | | Live |
| OMNIBUS COLLABORATIVE LIMITED | Private company limited by shares | Live |
| OMNIBUS GRID SOLUTIONS, LIMITED | | Live |
| HANG WAN PUBLIC OMNIBUS LIMITED | Private company limited by shares | Dissolved |
| TAI HING PUBLIC OMNIBUS LIMITED | Private company limited by shares | Dissolved |
| Hong Kong Omnibus Limited | Private company limited by shares | Live |
| PUBLIC OMNIBUS OPERATORS ASSOCIATION LIMITED | Company limited by guarantee | Live |