| Ganabad University of Medical Sciences | |
| Ganjafzar | Tehran |
| Ganjnameh Institute of Higher Education | |
| Gardoon Web Solutions | Tehran |
| Gerash University of Medical Sciences | |
| Ghadir Langrud Institute of Higher Education | |
| Ghazali Institute of Higher Education | |
| Gheyas | Tehran |
| Ghiaseddin Jamshid Kashani University | |
| Gil Rostamabad Institute of Higher Education | |
| GitiHost | Tehran |
| Givsoft | Tehran |
| Goldiran Co. | Tehran |
| Golestan University | |
| Golestan University of Medical Sciences | |
| Golsoft | Tehran |
| Gonbad Kavous University | |
| Gordon Web Solutions | Tehran |
| Gorgan University of Agricultural Sciences & Natural Resources | |
| GreenWeb | Razavi Khorasan |
| Guilian University of Medical Sciences | |
| Hadaf Institute of Higher Education | |
| HadafNET | Tehran |
| Hafez Shiraz Institute of Higher Education | |
| Hakim Sabzevari University | |
| Hamadan University of Medical Sciences | |
| Hamedan Science and Technology Park | Hamadan |
| Hasin Technology | Tehran |
| Hatef Institute of Higher Education | |
| HatraTech | Tehran |
| Hazrat Masoumeh University | |
| Hekmat Private University | |
| Hirbod Rayaneh Co. | Tehran |
| Hire.Camp | Tehran |
| HiWeb | Tehran |
| Holosen | Tehran |
| Hormozgan University of Medical Sciences | |
| Hostiran | Tehran |
| Hostirani Co. | Tehran |
| Hyper Media | Tehran |
| IASBS Science & Technology Park | Zanjan |
| ICT Research Institute | |
| ICTna | Tehran |
| IDPay | Tehran |
| Ilam University | |
| Ilam University of Medical Sciences | |
| Iliait | Tehran |
| Imam Khomeini International University | |
| Imam Reza International University | |
| Imam Sadiq University | |