Bedrift I - Nittedal
- Inesplo AS
- Interlog AS
- Ixcelio AS
- Ida Haukåen
- Ingrid Jensen
- Ingeniør Kristiansen
- Irene Andersen
- Iskoglund Invest AS
- Ina Haugen AS
- Ingebrigtsli Holding AS
- Ida Mørck AS
- Irs Invest AS
- Innskutt Leddsetning
- Ivar Schmidt AS
- Isam Holding AS
- Inalu-Bakke
- Interoptik Nittedal
- Ingrid Christina Foss
- Ingrid Wold Stavrum
- Ibdata - Inge Balswick
- Inger-Lise Kvaale
- International Classical Arts Network
- International Classical Arts Network
- Interiørnett Lene Kristin Tuveng
- International Voice Of Justice-Europe
- International Voice Of Justice-Europe