| Green Railway Technologies Company Limited | Private company limited by shares | Live |
| ASIA PACIFIC RAILWAY INVESTMENT GROUP LIMITED | | Live |
| China Railway Guokong Limited | | Live |
| LAO RAILWAY COMPANY (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| ICORE RAILWAY SYSTEMS LIMITED | Private company limited by shares | Live |
| MONGOLIA RAILWAY INFRASTRUCTURE CO. LIMITED | Private company limited by shares | Live |
| RAILWAY INFRASTRUCTURE PROJECTS LIMITED | Private company limited by shares | Dissolved |
| DT RAILWAY INVESTMENT LIMITED | Private company limited by shares | Live |
| EASTERN RAILWAY INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| Sino-Hong Kong Railway Catering Company Limited | Private company limited by shares | Dissolved |
| CHINA RAILWAY ENGINEERING (HONG KONG) LIMITED | Private company limited by shares | Live |
| TEAMRUN RAILWAY INVESTMENT (LAO) LIMITED | Private company limited by shares | Live |
| CHINA RAILWAY INV. MANAGEMENT STOCK LIMITED | Private company limited by shares | Dissolved |
| Railway Financial Investment Management Limited | | Live |
| SJJ RAILWAY MATERIALS & SUPPLY (CHINA) LIMITED | Private company limited by shares | Live |
| JK RAILWAY MATERIALS TECHNOLOGY LIMITED | Private company limited by shares | Live |
| MONGOLIA RAILWAY LIMITED | Private company limited by shares | Live |
| MONGOLIAN RAILWAY LIMITED | Private company limited by shares | Live |
| Railway Robert Resources Limited | Private company limited by shares | Live |
| SHANGHAI SUYU RAILWAY FASTENER LIMITED | Private company limited by shares | Dissolved |
| NEW SILK RAILWAY LIMITED | Private company limited by shares | Live |
| RAILWAY SOLUTION LIMITED | Private company limited by shares | Live |
| RAILWAY SUPPLY LIMITED | Private company limited by shares | Live |
| RAILWAY SYSTEMS CONSULTANCY LIMITED -THE- | Private company limited by shares | Dissolved |
| RIT Railway Innovation Technology Limited | Private company limited by shares | Dissolved |
| RAILWAY TRADING LIMITED | Private company limited by shares | Dissolved |
| RAILWAY TRADING CH LIMITED | Private company limited by shares | Live |
| EMERALD UNITED RAILWAY COMPANY LIMITED | Private company limited by shares | Dissolved |
| EURASIAN RAILWAYS CO., LIMITED | Private company limited by shares | Live |
| MONGOLIA RAILWAYS LIMITED | Private company limited by shares | Live |
| MONGOLIAN RAILWAYS LIMITED | Private company limited by shares | Live |
| RAILY LIMITED | Private company limited by shares | Dissolved |