| Black Hat SEO | Rogaland |
| Blank AS | |
| Bleed | Oslo |
| Blender Collective | Viken |
| Blix Solutions AS | Oslo |
| BlogBuster | |
| Blue Impact | |
| Bluestone PIM | Vestfold |
| Blueye | |
| Blueye Robotics | |
| Blynk AS | |
| BNP Paribas Norway | |
| boost.ai | |
| Borg Svakstrøm AS | Østfold |
| BR Software | Akershus |
| Braver AS | |
| Breach VR | |
| Bredvid AS | |
| Breyta AS | |
| BRUDELI Green Mobility AS | |
| Brønnøysundregistrene | |
| Business Angels Norway | |
| Buypass | Oslo |
| Bysant AS | Oslo |
| Byte Buddy | |
| Cad Service Vest | Hordaland |
| Caddiesoft AS | |
| Calluna Pharma | |
| Canon Norge AS | Oslo |
| Capeesh | |
| Capus AS | |
| Carbon Centrum AS | |
| Carbon Crusher AS | |
| Cardiaccs | |
| CardiNor | |
| CardioMech AS | |
| Carrot AS | |
| Cartesian | |
| CatalystOne AS | Oslo |
| CatalystOne Solutions AS | |
| Catware | |
| Cavai | |
| CBK | Oslo |
| Ceetron AS | Trøndelag |
| Cefalo | |
| Cegal | Rogaland |
| Cenium AS | Oslo |
| CESSDA | |
| CFEngine AS | Oslo |
| Charge | |