Bedrift I - Årvoll
- Indial AS
- Inipoti AS
- Ihs AS
- Inop AS
- Investeringsgruppen AS
- Inevi AS
- Intertours AS
- Idrettslag Årvoll
- Ingvild Abrahamsen
- Infinity Blue AS
- Izabela Berezowska
- Irene Høyland AS
- Isdammens Venner
- Inner Glow AS
- Ilje-Lien
- Imislund Produksjoner
- Ingeborg Gjærum AS
- Ida Grimsrud
- Isabella Solem
- Ingrid Bergerud
- Isakjordet Invest AS
- Ida Marie Isene
- Iwona Suchon-Mroz
- Innlandsporten nord Eiendom AS
- Ida Martinsen Botten
- Icarus Ioannis Adamopoulos
- Interesseforeningen Sivilvangen Sameie
- Ip Berg Eiendom AS
- Islamsk Litteratur Forening AS
- International Orienteering Federation
- Ingridolsen Ingrid Olsen
- Islamsk Litteratur Forening
- International Orienteering Federation
- Iver Aage Iversen
- Iver Aage Iversen
- I. Aannerud Osteopati
- Itt - Ingrid Thorbjørnsrud Translations
- Ibos Medical Company Ingvild Bostadløkken
- Indot Films Carolina Prado Linhares Lokøen
- Instruktør i Medisinsk Yoga Frida Storholt