Bedrift I - Ryen
- Inferia AS
- Isthmus AS
- Inkeria AS
- Incicon AS
- Inevitable AS
- Instrumentcompaniet AS
- iZettle
- Intellisec AS
- Inceptio AS
- Ingeborg Selnes
- Iqbal Traders
- Interpreter Orcullo
- Ion Delivery
- Ilie Transport
- Ics Service AS
- Intersport Ryen
- Ics Service AS
- Iqbal Transport
- Italia Mat AS
- Inko Team AS
- Ito Arne AS
- Ito Christian AS
- Ito Axel AS
- Illustratør Valencia Pesqueira
- Ingvar Ørn Thrastarson
- Ilie Cosmin Transport
- Ito Pallpack Gruppen AS
- Imperial Tobacco Norway
- Integrated Network Systems AS
- Ito Pallpack AS
- Immunocorp Consumer Health AS
- Imperial Tobacco Finland Oy
- Ing S D Baastad AS
- Industri og VVS Teknikk AS
- Ingus Biloppretting & Lakkering AS
- Imperial Tobacco Cr S.R.O.