| Prolog K | Banská Bystrica |
| PromiNet, s.r.o. | |
| Promiseo, s.r.o. | Košice |
| PROSOFT, spol. s r.o. | |
| Proxis, spol. s r.o. | Prešov |
| Prvá bánovská informačná, spol. s r.o. | Trenčín |
| Prvá stavebná sporiteľňa, a. s. | |
| PVsoft Poprad | Prešov |
| PWD, s.r.o. | Prešov |
| Pygmalios | |
| Q.Solutions | |
| QADRA PLUS, s.r.o. | Nitra |
| QBSW, a.s. | Bratislava |
| QikBuild | |
| QS GO Solutions, s.r.o. | |
| QUES, s.r.o. | |
| R-DAS | Bratislava |
| RadioLAN | |
| Rainside, s.r.o. | Bratislava |
| Rare Crew | Bratislava |
| RASCO, s.r.o. | Bratislava |
| Re Public Group, s.r.o. | |
| RealSoft, s.r.o. | Trenčín |
| Redis, s.r.o. | |
| Regulus Team, s.r.o. | |
| Renner | Prešov |
| Research Center for Quantum Information | Bratislava |
| Resitech | |
| Responsee | Bratislava |
| RESULT reklamná agentúra, s.r.o. | |
| REVIS, s r.o. | Trenčín |
| Revolware | |
| RF elements, s.r.o. | |
| Riešenia, spol. s r.o. | Bratislava |
| Rinners.sk, s.r.o. | |
| RMC, s.r.o. | |
| Robotec | |
| Robotic SK, s.r.o. | |
| Robotika.sk | Bratislava |
| RodoComp | Košice |
| Roelu | |
| ru3ch interactive, s.r.o. | |
| Run Group, s.r.o. | Žilina |
| RVmagnetics, a.s. | |
| S&T Slovakia, s.r.o. | Bratislava |
| S.A.K., spol. s r.o. | Banská Bystrica |
| S.I.G.N., s.r.o. | Bratislava |
| SAE - Automation, s.r.o. | Trenčín |
| SafeStuffs | |
| SAMO Automation, s.r.o. | |