Bedrift I - Kjeller
- Imagon AS
- Isaksen
- Imiro AS
- Innosense AS
- Iseng AS
- Iot2market AS
- Ila Ambjørnsen
- Ifes Husflidsgruppe
- Ifes Husflidsgruppe
- Iver Takla
- Ingdahl Bilutleie
- Ivanovic Dobrivoje
- Infinity Innovations AS
- Ilie Nevolnicu
- Ife Research AS
- Investtech Invest AS
- Ivar Skuseth
- Investa Iter AS
- Innovation Nilu AS
- Ife Holding AS
- Invest Roll
- iteam Lillestrøm
- Ife Invest AS
- Ik Service
- Investtech Com AS
- Ina-Helén Oskarsen
- Ingrida Melaikaite Mytting
- Ikke Rør Fryst
- I-team Norway AS
- Inara Liv Lune
- Iot Venture Capital AS
- Invest Management Holding AS
- Ibrar Mohammad Khawaja
- Ife B.i.L.
- Ife B.i.L.
- Institutt for Energiteknikk Avd Kjeller
- Institutt for Energiteknikk Ife
- ISS Facility Services AS Avd 411111 Nilu
- Ianos Bygg Transport og Eiendom
- Innbo Design Tove Elise Vinje
- IT/ Telekom Strategi Svein Roger Skaland
- ISS Facility Services AS Avd 411002 Complete Consulting
- ISS Facility Services AS Avd 411132 Kunnskapsbyen Konferansesenter
- Interesseorganisasjonen for Rytmisk Musikk i Akershus (Inryma)
- International Association Of Seismology And Physics Of the Earths Interiør