| SmartPay | Ho Chi Minh City |
| SmartSolar | |
| SoftWorld VietNam Ltd | Ho Chi Minh City |
| SohaGame | Hanoi |
| Solano Energy | Ho Chi Minh City |
| Solazu | |
| Somotnet HCM Co., Ltd | Ho Chi Minh City |
| Sonix Co., Ltd | |
| Sosene Co., Ltd | Ho Chi Minh City |
| SotaTek | Hanoi |
| Southern Waves Solutions | Ho Chi Minh City |
| SparkMinds | |
| Sphinx JSC | |
| Spring Knowledge Global JSC | |
| Stabap | |
| Startup Wheel | Ho Chi Minh City |
| StarWebSoft | Ho Chi Minh City |
| Success Software Services | Ho Chi Minh City |
| Sunrise Software Solutions | Ho Chi Minh City |
| Super Data | Ho Chi Minh City |
| SupremeTech Co., Ltd | |
| Svtech | Ho Chi Minh City |
| SweetSoft JSC | Khánh Hòa |
| Swinburne Việt Nam | Hanoi |
| Synnex FPT | Hanoi |
| Synodus | |
| Synova Solutions | |
| Tan Tao University | |
| Tan Thuan Computer | Ho Chi Minh City |
| Tay Bac University | |
| Tay Nguyen University | |
| TCOM Global | |
| Teamlizer | Hanoi |
| Tech DJ | Ho Chi Minh City |
| Tech-One | |
| Techbase VietNam Co., Ltd | |
| Techchain Software | |
| Techcoop | |
| Techfest Vietnam | Ho Chi Minh City |
| TechHub Asia | |
| TechTack | |
| TECHVIFY Software | Hanoi |
| Teko Ventures Co., Ltd | Hanoi |
| Tekup JSC | |
| Teqnological Asia Co., Ltd | Ho Chi Minh City |
| Thai Binh University | |
| Thai Nguyen University of Agriculture and Forestry | |
| Thai Nguyen University of Sciences | |
| Thainguyen University of Technology | |
| Thang Long University | |