| RebelDot | Cluj |
| Red Spot Branding | |
| Redbee Software | Cluj |
| Redweb | Prahova |
| Reea | Bucharest |
| Reflex Computers | |
| Regatta Imobiliare | |
| Reinvent Consulting | |
| Relevance | |
| Remsit | |
| Render Street S.R.L. | |
| Renovatio e-charge | |
| Repka Electronics S.R.L. | Maramureș |
| Reshape Digital S.R.L. | |
| Resilio | |
| Resources Lion | Bucharest |
| Retail Management Systems | Bucharest |
| Retargeting Biz S.R.L. | Bucharest |
| Reteaua Privata de Sanatate REGINA MARIA | |
| Reumplere cartuse | Brașov |
| Revlis Software Technologies | Bucharest |
| RezolvIT | Bucharest |
| Rhs Group S.R.L. | Cluj |
| Riga TechGirls | |
| Rikodu | |
| rinf.tech | |
| RiseTech | |
| Risky Business | Cluj |
| Ro Interactive Technologies | Cluj |
| RO-Boost | |
| Robert Bosch S.R.L. | |
| Robilix | Bucharest |
| RocaX | |
| Rocoders | |
| ROEL Electronics S.A. | Bucharest |
| ROHOST | Timiș |
| Rollsoft | |
| ROLS tehnic | Timiș |
| Romanian Academy - Research Institute for Artificial Intelligence “Mihai Drăgănescu” | Bucharest |
| Romanian Startups | Bucharest |
| Romanian Testing Conference | |
| Romedchim Internațional S.R.L. | Iași |
| Romfast S.R.L. | Constanța |
| Romnet Creative | Bucharest |
| Romservice Telecomunicații | Bucharest |
| Romsym Data | Bucharest |
| Romsystem S.R.L. | Bacău |
| RoNIX | Bucharest |
| ROPARDO S.R.L. | Sibiu |
| ROSENC | |