| R.T. Com Limited | Private company limited by shares | Live |
| R.T. Corporation Limited | Private company limited by shares | Live |
| R.T. STAR FAR EAST PRIVATE LIMITED | Private company limited by shares | Dissolved |
| R.T. EXPORTS LIMITED | Private company limited by shares | Live |
| R.T. FULLSAME LIMITED | Private company limited by shares | Live |
| R.T. GEMS LIMITED | Private company limited by shares | Live |
| R.T. (Hong Kong) Co., Limited | | Live |
| HONGKONG ADVERTISING (RT) LIMITED | Private company limited by shares | Live |
| R.T. Intergalaxy Limited | Private company limited by shares | Live |
| R.T. LAND PRODUCTION COMPANY LIMITED | Private company limited by shares | Dissolved |
| R.T. TOYS LIMITED | Private company limited by shares | Live |
| HK R.T. TOYS LIMITED | Private company limited by shares | Live |
| SRT (RTA) ARCHITECTS LIMITED | Private company limited by shares | Live |
| RTABLE FAR EAST RERRICE LIMITED | Private company limited by shares | Dissolved |
| HONGKONGQINCHENG RTADING LIMITED | | Live |
| RTAI Communication Technology Limited | Private company limited by shares | Live |
| RTAKO (HONG KONG) INDUSTRIAL CO., LIMITED | | Live |
| RTAMEDIC LIMITED | Private company limited by shares | Live |
| RTAX ELECTRONICS TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| R-TE (HK) TRADING LIMITED | Private company limited by shares | Live |
| Spont International Media Rte. Limited | Private company limited by shares | Live |
| R-Team Limited | Private company limited by shares | Live |
| RTEC LIMITED | Private company limited by shares | Live |
| R-TECH COMPANY LIMITED | Private company limited by shares | Live |
| R-tech Asia Limited | Private company limited by shares | Live |
| R-Tech Solutions Limited | | Live |
| R-TECHNOLOGY LIMITED | Private company limited by shares | Live |
| RTEL NET LIMITED | Private company limited by shares | Live |
| R'TEL COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| R-TENG COMPANY LIMITED | Private company limited by shares | Live |
| RTENGH TRADING LIMITED | | Live |
| RTEX LIMITED | Private company limited by shares | Dissolved |
| RTexec Limited | Private company limited by shares | Live |
| RTFC Limited | | Live |
| R.T.G.C LIMITED | Private company limited by shares | Live |
| RTHERO LIMITED | Private company limited by shares | Live |
| R-TIME SPORTS GROUP CO., LIMITED | Private company limited by shares | Live |
| RTJVT1 Limited | Private company limited by shares | Live |
| RTJY INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| RTJZ SCM Co., Limited | | Live |
| RTKT LIMITED | Private company limited by shares | Live |
| RTMac Limited | | Live |
| RTOL LIMITED | Private company limited by shares | Live |
| RTOL GROUP LIMITED | Private company limited by shares | Dissolved |
| Rtong HK Limited | | Live |
| RTQA Medical Limited | Private company limited by shares | Live |
| R-TRADING LIMITED | Private company limited by shares | Dissolved |
| R-TRANSFORMER LIMITED | Private company limited by shares | Dissolved |
| Rtree Co., Limited | Private company limited by shares | Live |
| RTRP LIMITED | Private company limited by shares | Live |
| RTRTEK CO., LIMITED | Private company limited by shares | Live |
| Rts' stR Limited | Private company limited by shares | Live |
| RTSB ASIA COMPANY LIMITED | Private company limited by shares | Live |
| RTSC Limited | Private company limited by shares | Live |
| HK RTSH TRADE LIMITED | Private company limited by shares | Live |
| RTSN LIMITED | Private company limited by shares | Live |
| RTSY PARTNERSHIP LIMITED | | Live |
| RT-TECH ELECTRONICS CO., LIMITED | Private company limited by shares | Live |
| RT-TECH HOLDING LIMITED | Private company limited by shares | Live |
| RT-TIR LIMITED | Private company limited by shares | Dissolved |
| RTuned Company Limited | Private company limited by shares | Live |
| R.T.W. READY-TO-WEAR LIMITED | Private company limited by shares | Dissolved |
| RTwo & Company Limited | Private company limited by shares | Live |
| R-TWO D-TWO HOBBIES LIMITED | Private company limited by shares | Dissolved |
| RT-YINGLEI DEVELOPMENT COMPANY LIMITED | Private company limited by shares | Live |
| R.T.ZAN LIMITED | Private company limited by shares | Dissolved |
| R.T.ZAN 2007 LIMITED | Private company limited by shares | Dissolved |
| RTZT LIMITED | Private company limited by shares | Live |