| Name | Region |
|---|---|
| Cognite AS | |
| Communicate Norge AS | Oslo |
| Compax Solutions | |
| Compello | Akershus |
| Computas | |
| Computerworld Norge | Oslo |
| Comrod Communication AS | Rogaland |
| Comtech AS | Vestfold |
| Confrere | |
| Consigli AS | |
| Conta AS | Møre og Romsdal |
| Contus Økonomi AS | |
| Convexa | |
| Cool Company Norge AS | |
| Coperformance | |
| Copyleft Solutions | Oslo |
| CoreTrek | Vestfold |
| Corporater AS | Rogaland |
| Correlate | |
| Coworking Norge | Oslo |
| Cradl AI | |
| Crayon AS | |
| Crayon Group | Oslo |
| CrayoNano AS | |
| Credo Partners AS | |
| Crystallize | Telemark |
| CSAM Health Group AS | |
| CTWO | |
| Cubit | |
| Curipod AS | |
| Current AS | |
| Cutting Room AS | |
| Cytovation ASA | |
| Data Design System AS | Rogaland |
| Data Equipment | Oslo |
| Data Respons Norge AS | Akershus |
| Data.norge.no | Oslo |
| Databutton AS | |
| Datakvalitet | Troms |
| Datamatik AS | Oslo |
| Datatilsynet | |
| Deal.no | Oslo |
| Decisions AS | |
| Defero | |
| Defigo | |
| Deltager.no | |
| Differ.Chat | Oslo |
| Digi.no | Oslo |
| Digimaker AS | Vest-Agder |
| DigiSpace AS | Vestfold |