Bedrift I - Gamle Fredrikstad
- Innsikteriet AS
- Introtek AS
- Introtek AS
- Its5 AS
- Izio AS
- Ille Godt
- Ingrid Bøhnsdalen
- IKS Østfold Avfallssortering
- Immensus. Ahmadi
- Ingrid Andersen AS
- Ingeniør Dypvik AS
- Instruks Eliassen
- Intoto Invest AS
- Isak Sawe
- Izzy Holding AS
- Itid-Bygg AS
- Inger Kristin Tvete
- Itp-Foreningen Norge
- Itp-Foreningen Norge
- Inger-Lise Nilssen
- Inger-Lise Nilssen
- Inge Kjell Holme
- Inspire & Impact AS
- Ideal Matcher Narcis Matei
- In Profil V/Iren Novang
- Interiørdesigner Anne Cathrine Lundblad
- Interflora Mathisens Blomster - Mester
- Inger-Lise Stene-Nilssen
- Ingvaldsen - Din Livsglede Dødsbo
- Inge Kjell Holme Media
- ISS Facility Services AS Avd 415019 Jotun
- Id. Interiørarkitektur ved Victoria Skauen
- ISS Facility Services AS Avd 415510 Mills
- ISS Facility Services AS Avd 415009 Europris Øra