| AxiomQ | South Bačka |
| Balkan Fund | |
| BB Soft Inženjering | Belgrade |
| BC Group | Belgrade |
| BCool IT d.o.o. | West Bačka |
| BCS Profesional d.o.o. | Belgrade |
| BDC Export-Import Copier System | Belgrade |
| Bee IT | South Bačka |
| Bel Computers | Belgrade |
| Belgrade Venture Forum | Belgrade |
| Belit d.o.o. | Belgrade |
| Benchmark | Belgrade |
| Beophone d.o.o. | Belgrade |
| BeotelNet | Belgrade |
| Birograf Computers | Raška |
| Bit Impeks d.o.o. | Belgrade |
| Biznis Inovacioni Centar | Šumadija |
| Biznisoft | Belgrade |
| Blinking | Belgrade |
| Boostowski | Belgrade |
| Bounty Hunter Agency | |
| BRAINEERING IT Solutions | Belgrade |
| Breza Software Engineering | Belgrade |
| Brisbane Digital d.o.o. | South Bačka |
| BTR Co. d.o.o. | Belgrade |
| Buildcon | Belgrade |
| Burina.NET | Belgrade |
| Centar za upravljanje projektima | Belgrade |
| CET Computer Equipment & Trade | Belgrade |
| CHIP d.o.o. | Belgrade |
| City Expert Global d.o.o. | Belgrade |
| Cloud Centric | South Bačka |
| CodeFinesse | South Bačka |
| CodeIT | Belgrade |
| CodeSegment | Belgrade |
| Codetribe | South Bačka |
| Codeus IT | Nišava |
| Colosseum Sports Tech Serbia | Belgrade |
| ComData d.o.o. | South Bačka |
| COMING - Computer Engineering | Belgrade |
| Computer Dream | Belgrade |
| Comtrade Distribution | Belgrade |
| Connect Software Solutions d.o.o. | Belgrade |
| CTshop | Belgrade |
| Cube Team | |
| Cubes d.o.o. | Belgrade |
| CubeScripts.com | Belgrade |
| DaFED | South Bačka |
| Data Solutions d.o.o. | Belgrade |
| Dataland Software | South Bačka |