| CHINA RAILWAY COMMUNICATION LIMITED | Private company limited by shares | Live |
| CHINA RAILWAY NETWORK COMMUNICATION CO., LIMITED | Private company limited by shares | Dissolved |
| Railway Communication Technology Limited | Private company limited by shares | Live |
| RAYNET COMMUNICATION CO. LIMITED | Private company limited by shares | Live |
| REACH COMMUNICATION LIMITED | Private company limited by shares | Dissolved |
| REACHENG COMMUNICATION TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| REALMOI CULTURE&ART COMMUNICATION CO., LIMITED | Private company limited by shares | Live |
| REASON COMMUNICATION TECHNOLOGY (HK) LIMITED | Private company limited by shares | Live |
| REDIFFUSION COMMUNICATION SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| REDWINGS & SOLEIL Communication Group Limited | | Live |
| REGENT COMMUNICATION LIMITED | Private company limited by shares | Dissolved |
| Reiko Communication Co., Limited | Private company limited by shares | Live |
| Relufar Communication Company Limited | Private company limited by shares | Live |
| REMOWIRELESS COMMUNICATION INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| SWH COMMUNICATION AND MEDIA REPRESENTATIVE COMPANY LIMITED | Private company limited by shares | Dissolved |
| COMMUNICATION RESOURCES, LIMITED | Private company limited by shares | Live |
| Rethink Design Communication Limited | Private company limited by shares | Live |
| Des Reve Communication Limited | Private company limited by shares | Live |
| SHENZHEN RICE FRUIT COMMUNICATION CO., LIMITED | Private company limited by shares | Live |
| HK RICHONESTY RADIO COMMUNICATION TECH. LIMITED | Private company limited by shares | Dissolved |
| RIGHT (CHINA) COMMUNICATION GROUP CO., LIMITED | Private company limited by shares | Live |
| RISELINK COMMUNICATION CABLE CO., LIMITED | Private company limited by shares | Live |
| RISEWAY COMMUNICATION LIMITED | Private company limited by shares | Live |
| Rising Communication Limited | Private company limited by shares | Live |
| LONG RIVER Communication Co., Limited | Private company limited by shares | Live |
| OPTIC RIVER COMMUNICATION GROUP (HONGKONG) LIMITED | Private company limited by shares | Live |
| STAR RIVER COMMUNICATION LIMITED | Private company limited by shares | Live |
| New Roam Communication Limited | Private company limited by shares | Live |
| ROMAN COMMUNICATION LIMITED | Private company limited by shares | Dissolved |
| HUA RONG HUI COMMUNICATION EQUIPMENT (HK) LIMITED | Private company limited by shares | Live |
| HK Star Rong International Communication Limited | | Live |
| RONIX COMMUNICATION LIMITED | Private company limited by shares | Dissolved |
| RONIX COMMUNICATION LIMITED | Private company limited by shares | Live |
| Roundabout Communication Company Limited | | Live |
| Rugtalk Communication (HK) CO., Limited | | Live |
| HK RUIZE COMMUNICATION EQUIPMENT LIMITED | Private company limited by shares | Live |
| RYAN COMMUNICATION LIMITED | Private company limited by shares | Live |
| SABINA COMMUNICATION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SAHYA COMMUNICATION LIMITED | Private company limited by shares | Live |
| SALVADOR COMMUNICATION LIMITED | Private company limited by shares | Dissolved |
| SanLi Communication Limited | Private company limited by shares | Live |
| SANSI COMMUNICATION LIMITED | Private company limited by shares | Live |
| SANSON ENTERTAINMENT & COMMUNICATION LIMITED | Private company limited by shares | Dissolved |
| SANWOKOY COMMUNICATION TECHNOLOGY (HK) LIMITED | Private company limited by shares | Live |
| SATELLITE COMMUNICATION LIMITED | Private company limited by shares | Dissolved |
| Apec Pacific Satellite Communication Limited | Private company limited by shares | Live |
| CHINA SATELLITE COMMUNICATION GROUP LIMITED | Private company limited by shares | Live |
| China Satellite Communication Technology Limited | Private company limited by shares | Live |
| JANFULL SATELLITE & COMMUNICATION LIMITED | Private company limited by shares | Dissolved |
| Satellite Communication Solutions Limited | Private company limited by shares | Live |
| SATELLITE COMMUNICATION SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| JANFULL SATELLITE COMMUNICATION & TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| Scene Creative Communication Limited | Private company limited by shares | Live |
| COMMUNICATION SCHOOL -THE- | Company limited by guarantee | Dissolved |
| POWER SCIENCE AND TECHNOLOGY (HK) COMMUNICATION LIMITED | Private company limited by shares | Live |
| EMD ASIA SCIENTIFIC COMMUNICATION LIMITED | Private company limited by shares | Live |
| SEAPAGE COMMUNICATION LIMITED | Private company limited by shares | Dissolved |
| FIRST COMMUNICATION AND SECURITY LIMITED | Private company limited by shares | Dissolved |
| WLY Security Communication Group Limited | Private company limited by shares | Dissolved |
| SENHALL COMMUNICATION LIMITED | Private company limited by shares | Live |
| SENHE COMMUNICATION TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| Seny Communication Technology Co., Limited | Private company limited by shares | Live |
| P & D COMMUNICATION SERVICE COMPANY LIMITED | Private company limited by shares | Dissolved |
| SHANDONG COMMUNICATION INDUSTRIAL GROUP CORP. LIMITED | Private company limited by shares | Dissolved |
| SHANG CHANG COMMUNICATION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SHANG HAI CREATOR COMMUNICATION TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| SHENZHEN SHANG HE COMMUNICATION TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Shanghai Economic And Trade Communication Center Limited | Private company limited by shares | Live |
| SHANGHAI XISI COMMUNICATION TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| SHANGSHAN CULTURAL COMMUNICATION (HK) LIMITED | Private company limited by shares | Live |
| CJ COMMUNICATION SHARE CO., LIMITED | Private company limited by shares | Dissolved |
| SHELEA COMMUNICATION LIMITED | Private company limited by shares | Dissolved |
| Shemax Communication Co., Limited | Private company limited by shares | Live |
| SHENG FA COMMUNICATION LIMITED | Private company limited by shares | Live |
| ShenZhen Shenghui Communication Co., Limited | Private company limited by shares | Live |
| SHENGXING COMMUNICATION LIMITED | Private company limited by shares | Live |
| HK SHENYING COMMUNICATION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SHIN SU COMMUNICATION COMPANY LIMITED | Private company limited by shares | Dissolved |
| ShineVision Communication and Network Technology Limited | Private company limited by shares | Live |
| Poly Shing Communication CO., Limited | Private company limited by shares | Live |
| SHENZHEN SHOUHUBAO COMMUNICATION LIMITED | Private company limited by shares | Live |
| HK SHUANGLIN COMMUNICATION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| HK OuMada Shu-Culture Communication Co., Limited | Private company limited by shares | Live |
| SHUNCHANG HK CULTURAL COMMUNICATION LIMITED | | Live |
| SIEMAX COMMUNICATION TECHNOLOGY (HK) CO., LIMITED | Private company limited by shares | Live |
| SIMPSON COMMUNICATION LIMITED | Private company limited by shares | Dissolved |
| HK SINCERE COMMUNICATION TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| SINCERITY COMMUNICATION LIMITED | Private company limited by shares | Dissolved |
| Sai Gei Hang Sing Int'l Communication Co., Limited | Private company limited by shares | Live |
| Sino-european Cultural Communication Co., Limited | | Live |
| SINOTECH COMMUNICATION LIMITED | Private company limited by shares | Live |
| SINOYAC Chinese Art Communication Co. Limited | Private company limited by shares | Live |
| SINROWELL COMMUNICATION TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| SIZEAD COMMUNICATION LIMITED | Private company limited by shares | Live |
| SKYEY COMMUNICATION LIMITED | Private company limited by shares | Dissolved |
| Skyline Communication Limited | Private company limited by shares | Live |
| SKYSTAR COMMUNICATION LIMITED | Private company limited by shares | Dissolved |
| SKYTEK COMMUNICATION LIMITED | Private company limited by shares | Live |
| SKYUNION COMMUNICATION (HK) LIMITED | Private company limited by shares | Live |
| SKYWAY COMMUNICATION LIMITED | Private company limited by shares | Live |