| KUI KWOON COMPANY LIMITED | Private company limited by shares | Live |
| WUN CHUEN SIN KWOON ASSOCIATION, LIMITED -THE- | Company limited by guarantee | Live |
| HK KWOON CHUNG (DALIAN) BUS INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| KWOON WAI ENTERPRISES LIMITED | Private company limited by shares | Live |
| WAH KWOON (GROUP) LIMITED | Private company limited by shares | Dissolved |
| HK KWOON CHUNG (HARBIN) BUS INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| KWOON YAT INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| HK KWOON CHUNG (ANSHAN) BUS INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| HK KWOON CHUNG (CHONGQING) BUS INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| KWOON CHUNG MOTORS COMPANY, LIMITED | Private company limited by shares | Live |