| InfoCare Norge AS | Vest-Agder |
| Infonor Kompetanse AS | Østfold |
| Infosoft | Oslo |
| InfoTiles | |
| Inhibio AS | |
| Inkmann | Oslo |
| Inlead | Rogaland |
| Inludo AS | Oppland |
| Inmeta | Oslo |
| Innovasjon Norge | |
| Innovate Now AS | |
| Innovation Dock | Rogaland |
| Innovena AS | |
| Insj UiO | |
| Inspera AS | Oslo |
| Institute for Energy Technology | |
| Institutt for samfunnsforskning | |
| Insurance Technology Solutions AS | |
| Integrated Detector Electronics AS | |
| Integrated Technology Consultants AS | Vestfold |
| Intele | Akershus |
| Intelecy | |
| International Council for Open and Distance Education | |
| Intility AS | Oslo |
| Intoto | |
| intraHouse | Møre og Romsdal |
| Invenia AS | Troms |
| Investinor AS | |
| Inzpire.me | |
| IPRES Norway AS | Oslo |
| Iris.ai AS | Viken |
| iSee Communications | Oslo |
| ISPHuset | Buskerud |
| IT Assistance | |
| ITavisen | Oslo |
| iteam AS | |
| Itema AS | Trøndelag |
| Itera | Oslo |
| itslearning AS | Hordaland |
| JavaZone | |
| JBF | |
| Jensen of Scandinavia AS | Oslo |
| JM Hansen | |
| Jodacare AS | |
| Joomla! i Norge | Oslo |
| Jotta AS | Oslo |
| Journey | |
| Journey Agency | |
| JPC AS | Oslo |
| Jupiter System Partner AS | |