| Parallel | Belgrade |
| PC Art d.o.o. | Belgrade |
| PC klinika | Belgrade |
| PC Konfygurator | Belgrade |
| PC Practic | Belgrade |
| PC Press | Belgrade |
| Personal Magazin | Belgrade |
| PHP Srbija | Belgrade |
| PIN Computers | Belgrade |
| PixelInetica d.o.o. | Belgrade |
| Play!Zine | Belgrade |
| Playrix RS | South Bačka |
| PlusPlus NT | Belgrade |
| Plutos Computers | Belgrade |
| PM d.o.o. | Belgrade |
| Pogodak.rs | Belgrade |
| PopArt Studio d.o.o. | South Bačka |
| Positive-Studio | Belgrade |
| Poslovni Inkubator Novi Sad | South Bačka |
| Pošta Srbije | Belgrade |
| PressHarbor | Belgrade |
| Price2Spy | Belgrade |
| Prizma Software | Nišava |
| Pro Info d.o.o. | South Bačka |
| ProCredit Bank a.d Belgrade | |
| ProDevs | Belgrade |
| ProdHosting.net | Belgrade |
| Product Hive | Belgrade |
| Profi Computers | Belgrade |
| Profi Media Group | Belgrade |
| Progressive | Belgrade |
| Prokomsoft | South Bačka |
| Prolom | Belgrade |
| ProSoft Sistem d.o.o. | Belgrade |
| Prozone | South Bačka |
| PSC Mobile Solutions d.o.o. | Belgrade |
| Qbit | Belgrade |
| Qubesoft | South Banat |
| Racunari.net - online hardware shop | Belgrade |
| Racunari.org | Belgrade |
| RadiantTap | Belgrade |
| Ratel | Belgrade |
| Refresh | Belgrade |
| Relikon | South Bačka |
| Remote Human | Belgrade |
| RIA Software | Pomoravlje |
| Romsym Data d.o.o. | Belgrade |
| Royalimpex | Mačva |
| RT-RK Institute for Computer Based Systems | South Bačka |
| Runa Media | South Bačka |