| Ferdowsi University of Mashhad - Department of Computer Engineering | Khorasan-e Razavi |
| Finnotech | Tehran |
| FreeDownload.ir | Tehran |
| Ganabad University of Medical Sciences | |
| Ganjafzar | Tehran |
| Gardoon Web Solutions | Tehran |
| Gheyas | Tehran |
| Ghiaseddin Jamshid Kashani University | |
| Gil Rostamabad Institute of Higher Education | |
| GitiHost | Tehran |
| Givsoft | Tehran |
| Goldiran Co. | Tehran |
| Golsoft | Tehran |
| Gonbad Kavous University | |
| Gordon Web Solutions | Tehran |
| GreenWeb | Razavi Khorasan |
| Hadaf Institute of Higher Education | |
| HadafNET | Tehran |
| Hamedan Science and Technology Park | Hamadan |
| Hasin Technology | Tehran |
| Hatef Institute of Higher Education | |
| HatraTech | Tehran |
| Hirbod Rayaneh Co. | Tehran |
| Hire.Camp | Tehran |
| HiWeb | Tehran |
| Holosen | Tehran |
| Hostiran | Tehran |
| Hostirani Co. | Tehran |
| Hyper Media | Tehran |
| IASBS Science & Technology Park | Zanjan |
| ICTna | Tehran |
| IDPay | Tehran |
| Iliait | Tehran |
| Imantech Co. | Tehran |
| Informatics Soceity of Iran | Tehran |
| Information Technology Organization | Tehran |
| Institute for Color Science and Technology | |
| Institute for Research and Planning in Higher Education | |
| Institute for Research in Fundamental Sciences | Tehran |
| Institute for Research in Fundamental Sciences - Mathematics | Tehran |
| Institute for Research in Fundamental Sciences - School of Computer Science | Tehran |
| Insurance Research Center | |
| Inten web design | Tehran |
| Iran - Ministry of I.C.T. | Tehran |
| Iran Apps | Tehran |
| Iran Computer Emergency Response Team | Tehran |
| Iran ICT Ministry for Information Technology Organization | Tehran |
| Iran National Foundation of Computer Game | Tehran |
| Iran Network Information Center | Tehran |
| Iran Rayaneh Co. | Tehran |