| SanaClis, s.r.o. | |
| Sanding, s.r.o. | |
| Saneca Pharmaceuticals a.s. | |
| SANET | Bratislava |
| Sapie | Bratislava |
| SATRO, s.r.o. | Bratislava |
| SATTVA, s.r.o. | Banská Bystrica |
| SB systém | |
| Scheidt & Bachmann Slovensko, s.r.o. | |
| SCR design | |
| SCR interactive | Bratislava |
| SCR technologies | Banská Bystrica |
| Screenshot Machine | |
| Screenshotmachine | |
| ScrumDesk | Prešov |
| Seerlinq | |
| Seges, s.r.o. | Bratislava |
| Segron Automation, s.r.o. | |
| Selektiv Slovakia, s.r.o. | Bratislava |
| SENSE Slovakia, s.r.o. | |
| Sensible Biotechnologies | |
| Sensoneo | |
| SEO optimalizácia | Bratislava |
| Seocentrum.sk | Trenčín |
| Service 4 you, s.r.o. | Košice |
| Sigin j.s.c. | |
| Simplicity consulting | |
| SiNET Telecom, s.r.o. | |
| Sixnet | |
| SK-NIC | Bratislava |
| SKdev.sk | Bratislava |
| Slido | Bratislava |
| SLONline, s.r.o. | Bratislava |
| Slovak Antivirus Center | |
| Slovak Business Agency | |
| Slovak Internet eXchange | Bratislava |
| Slovak Investment Holding, a.s. | |
| Slovak Space Office | |
| Slovak Startup | Bratislava |
| Slovak Telekom | Bratislava |
| SLOVAKIA WebDesign | Trnava |
| SlovakNet.sk | Bratislava |
| Slovanet | Bratislava |
| Slovenská agentúra pre rozvoj investícií a obchodu | |
| Slovenská akadémia vied | Bratislava |
| Slovenská Drupal komunita | Bratislava |
| Slovenská poľnohospodárska univerzita v Nitre | |
| Slovenská spoločnosť pre kybernetiku a informatiku pri SAV | Bratislava |
| Slovenská spoločnosť pre zahraničnú politiku | |
| Slovenská sporiteľňa, a.s. | |