| Shahid Bahonar University of Kerman - Faculty of Mathematics and Computer | Kerman |
| Shahid Beheshti University | Tehran |
| Sharif Accelerator | Tehran |
| Sharif Science and Technology Park | Tehran |
| Sharif University of Technology | Tehran |
| Sharif University of Technology - Center of Excellence in Design, Robotics, and Automation | Tehran |
| Sharif University of Technology - Department of Computer Engineering | Tehran |
| Sharif University of Technology - Department of Mathematical Sciences | Tehran |
| Sharif Venture Capital Fund | Tehran |
| Shatel | Tehran |
| Shetab | Tehran |
| Silk Road Startup | Tehran |
| Sirang | Tehran |
| System Group | Tehran |
| Tabari Institute of Higher Education | |
| TabliQ.com | Tehran |
| Tadbir | Tehran |
| Tajan | Tehran |
| Taktaweb Group | |
| Taliya | Tehran |
| Tavana Information Processing System | Zanjan |
| Techrasa | Tehran |
| Tehran Computer Co. | Tehran |
| Telesun | Tehran |
| TextMining | Razavi Khorasan |
| Tolue | Tehran |
| TookanTech | Tehran |
| Torbat Jam Faculty of Medical Science | |
| TWH | Tehran |
| University College of Azarabadeghan | |
| University College of Daneshvaran | |
| University of Birjand | Tehran |
| University of Birjand | |
| University of Javid | |
| University of Tehran - School of Electrical and Computer Engineering | Tehran |
| University of Tehran Science and Technology Park | Tehran |
| University of Zanjan | |
| Urmia Non-Profit Science and Technology Higher Education Institute | |
| Usul al-Din College | |
| Vali-e-Asr University of Rafsanjan | |
| Varastegan Institute For Medical Sciences | |
| Vestasoft | Tehran |
| Vice-Presidency for Science and Technology | Tehran |
| Wallex | Tehran |
| Water Research Institute | |
| Web Development Group | Tehran |
| WebAran | Tehran |
| WebGozar.com | Tehran |
| WebSaz.ir | Tehran |
| Yasan Processes Development | |