| RUMA HK LIMITED | Private company limited by shares | Live |
| RUMA TECH INTERNATIONAL LIMITED | Private company limited by shares | Live |
| RUMA TUNING LIMITED | Private company limited by shares | Live |
| Rumac International Limited | | Live |
| RuMaiFung (HK) Trading Co., Limited | Private company limited by shares | Live |
| COMBINATUL CHIMIC BACAU RUMANIA LIMITED | Private company limited by shares | Dissolved |
| RUMANIA PRODAN CHEM.INDUSTRY GROUP LIMITED | Private company limited by shares | Dissolved |
| RUMANIA EJD INT'L CHEMICAL FERTILIZER (GROUP) LIMITED | Private company limited by shares | Dissolved |
| RUMANIA MAGURELE CHEMIC COMBINATUL LIMITED | Private company limited by shares | Live |
| RUMAO TRADE LIMITED | | Live |
| RUMAODE LIMITED | Private company limited by shares | Live |
| Rumardy Limited | Private company limited by shares | Live |
| RUMAROCKET LIMITED | Private company limited by shares | Live |
| Rumata Limited | | Live |
| HK RUMAX TECHNOLOGY LIMITED | Private company limited by shares | Live |