| REDT LIMITED | Private company limited by shares | Live |
| RedTachyon Limited | Private company limited by shares | Live |
| REDTAG HONG KONG LIMITED | Private company limited by shares | Dissolved |
| RED-TANG IMP & EXP LIMITED | Private company limited by shares | Live |
| REDTAPE HK LIMITED | | Live |
| REDTEC INDUSTRIAL (HK) CO., LIMITED | Private company limited by shares | Dissolved |
| REDTECH LIMITED | Private company limited by shares | Live |
| Shenzhen Redtech Co., Limited | Private company limited by shares | Live |
| REDTEK TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| Redtex Group Limited | Private company limited by shares | Live |
| REDTEX (HONG KONG) LIMITED | Private company limited by shares | Live |
| REDTEX INDUSTRIAL LIMITED | Private company limited by shares | Live |
| REDTHEON CO. LIMITED | Private company limited by shares | Dissolved |
| Redtideson Technology (Hong Kong) Limited | Private company limited by shares | Live |
| REDTIN INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| REDTOC LIMITED | Private company limited by shares | Live |
| REDTOP LIMITED | Private company limited by shares | Dissolved |
| REDTOP LIMITED | Private company limited by shares | Dissolved |
| REDTOP LIMITED | Private company limited by shares | Live |
| RED-TREES PSYCHOTHERAPY CO., LIMITED | Private company limited by shares | Dissolved |
| RED-TRONICS COMPANY LIMITED | Private company limited by shares | Dissolved |
| REDTROPOLIS LIMITED | Private company limited by shares | Dissolved |
| REDTURN LIMITED | Private company limited by shares | Dissolved |