| Name | Region |
|---|---|
| Sorenso AS | Oslo |
| Soundsensing | |
| Space Norway | |
| Spacemaker | Oslo |
| Spamdrain AB | Østfold |
| Speiz | |
| Sperton | |
| Spiff | |
| SpinChip Diagnostics AS | |
| Spond AS | |
| SportAI | |
| SSC Networks Norge AS | Buskerud |
| Staaker AS | |
| Stacc | |
| Stacc Escali AS | Hordaland |
| Stack by.me AS | |
| Star Information Systems AS | Trøndelag |
| Start Norge | Agder |
| Startup Extreme | |
| Startup Norway | |
| Startuplab | |
| Startupmatcher | Oslo |
| Statkraft | |
| Statkraft Ventures AS | |
| Stayonline AS | Østfold |
| Steinerhøyskolen | |
| Stem Agency | |
| Sterk Services | Møre og Romsdal |
| Storebran | |
| StormGeo | |
| Straterio AS | |
| Strise | Oslo |
| Studio X AS | |
| Stødle Computer Software & Consulting | Troms |
| Subsys AS | Oslo |
| SumSoft AS | Møre og Romsdal |
| Sunnaas sykehus HF | |
| SuperOffice AS | |
| SuperOffice Norge AS | Oslo |
| Surftown Norge | Oslo |
| Susoft | Hordaland |
| Sustie | |
| Swarm64 AS | Oslo |
| SWML | |
| Sykehuset i Vestfold HF | |
| Sykehuset Telemark | |
| Synergy SKY | |
| Syscom AS | Oslo |
| Syse | Vestfold |
| Systek AS | Oslo |