| Smart-Info Ltd | Hong Kong |
| SmartAnt Telecom Co., Ltd | Taiwan |
| SmartEarth | Beijing |
| Smartmore Corporation Ltd | Hong Kong |
| SmarTone Telecommunications Holdings Ltd | Hong Kong |
| SmartOrder Technology | |
| Smartway (Shanghai) Electronic Technology Co., Ltd | Shanghai |
| Smartx | Beijing |
| SMEiTrade | Hong Kong |
| SMIC | Shanghai |
| SML Group | Hong Kong |
| SnagR Ltd | Hong Kong |
| Snapask (Holdings), Inc. | Hong Kong |
| Sniper Medical Technologies | |
| Sniper Medical Technology Co., Ltd | |
| Snksoft | Beijing |
| SNSPlus, Inc. | Taiwan |
| So-Cayenne Mobile Entertainment Co., Ltd | Taiwan |
| So-net Entertainment Taiwan | Taiwan |
| Soarersoft Software | Jiangsu |
| Sochow University | Taiwan |
| Social Analytics (Hong Kong) Ltd | Hong Kong |
| Social Enterprise Business Centre | Hong Kong |
| SOFAStack | |
| Soft-World Corporation | Taiwan |
| Soft6.com | Beijing |
| Softking | Taiwan |
| Softstar Entertainment, Inc. | Taiwan |
| Softstar Technology (Beijing) Co., Ltd | Beijing |
| SoftTooler | |
| Software Market | Hong Kong |
| Software Tailor | |
| SoftWorker | Taiwan |
| Solageo | |
| Solid State System Co., Ltd | Taiwan |
| Song Win Technology Co., Ltd | Taiwan |
| Songshan Shaolin Wushu College | |
| SongYan Corporation | Taiwan |
| SONIRE Therapeutics | |
| SonoScape Medical Corporation | Guangdong |
| Sony (China) Co., Ltd | Beijing |
| Sony Corporation of Hong Kong Ltd | Hong Kong |
| Sony Taiwan Ltd | Taiwan |
| Soochow (Suzhou) Financial Technology Co., Ltd | Jiangsu |
| Soochow University - Department of Mathematics | Taiwan |
| Sora Ventures | Taiwan |
| Sothink | Hubei |
| Sound Plug Electronic Co., Ltd | Taiwan |
| Soundlink Maximo Enterprise Co., Ltd | Taiwan |
| Soup.io | |