| Exeshop.rs | Belgrade |
| Explicit Design | Belgrade |
| Extreme d.o.o. | Belgrade |
| eXtreme ProHosting | Belgrade |
| eZarada | Belgrade |
| Factory World Wide | Belgrade |
| Fakultet Futura | |
| Fakultet inženjerskih nauka Univerziteta u Kragujevcu | Šumadija |
| Fakultet za menadžment Zaječar | |
| Favorit web | Belgrade |
| Fiposoft | Belgrade |
| FlowMapp | Belgrade |
| Gama Group d.o.o. | Belgrade |
| Gecko Solutions | Belgrade |
| GetBlock, LLC | |
| GETEL - General Telecom | South Bačka |
| GILab | Belgrade |
| Grafo Dizajn | South Bačka |
| Grappolo | Belgrade |
| Greenfish Web Design | Belgrade |
| Guacosoft | Belgrade |
| HARD office | Central Banat |
| Hard-Soft | Jablanica |
| Headmande | South Bačka |
| Hellas Computers d.o.o. | Belgrade |
| HelpDisc | Belgrade |
| Hinttech | South Bačka |
| Horisen Solutions d.o.o. | Pomoravlje |
| HostFate | Belgrade |
| Hostirex | Belgrade |
| Hotel Management Systems | Belgrade |
| HTteam d.o.o. | South Banat |
| I.T.M. Beograd | Belgrade |
| ICT Cluster of Central Serbia Kragujevac | Šumadija |
| ICT Conference | Belgrade |
| ICT Hub | Belgrade |
| ICT Hub Venture | Belgrade |
| ICT Network | Belgrade |
| Ignis Fatuus | Belgrade |
| IMS Groups | Šumadija |
| INet d.o.o. | Belgrade |
| Infokod Sistem | Belgrade |
| Informacija.rs | Belgrade |
| Informacione Tehnologije d.o.o. | Belgrade |
| Informatika a.d. | Belgrade |
| InfoSky | Belgrade |
| Infostud 3 d.o.o. | North Bačka |
| INOVIA | Belgrade |
| Institut za nuklearne nauke ”Vinča” | |
| Institute Mihailo Pupin | Belgrade |