| BrandComputers | |
| Brandion | Cluj |
| BrandMentions | |
| BrandUP | Bucharest |
| Brandweb | Iași |
| BreakingPoint | |
| Bringo | Bucharest |
| Brio | |
| Bucharest Tech Expo | |
| Buff Up Media | |
| Bursa de Valori Bucuresti | |
| Bursa de Web Design | |
| Business Angels Romania | Iași |
| Business Circle | |
| Business Club | |
| Business Information Systems (Allevo) S.R.L. | Bucharest |
| Businessdesign | Bucharest |
| BwareLabs | |
| BWise Solutions | Bucharest |
| ByteIgnite | |
| Bytenet Consulting S.R.L. | Bucharest |
| Bytes Route | Dolj |
| C&A Interserv S.R.L. | Bucharest |
| C-Scale Software | |
| C-Soft S.r.l. | Harghita |
| Cabanova | Bucharest |
| CADian Romania | Bucharest |
| CADsoft Romania | |
| CADWARE Engineering | |
| Caelsoft Prod | |
| Calendis | |
| CamelWeb Creations S.R.L. | |
| Camera de Comerț și Industrie a Municipiului București | |
| Camera de Comerț și Industrie a României | |
| Canary Technology Innovations | |
| Caphyon Ltd | Dolj |
| CaptainForm | Timiș |
| Carbon Incubator | Bucharest |
| Cardo+ | |
| CargoTrack | |
| Cartuse Imprimante | Bucharest |
| CaruselConsulting | |
| CashControlApp.com | Cluj |
| Catalyst Romania | Bucharest |
| CBNAgro.tech | |
| CDI Software Solutions S.R.L. | Bucharest |
| Cegedim Healthcare România | |
| Centrale IP | Bucharest |
| certSIGN | |
| CFO Network | |