Bedrift I - Borgenhaugen
- Inactivity AS
- Idècompaniet
- Iwin Solutions AS
- Iseveien Senter
- Illebra Eiendom AS
- Iren Brenne AS
- Ibrahimcon Dogon
- Invest Ck DA
- Ingeniørfirmaet Svendsen & Co AS
- I-Pack AS
- Imb Invest AS
- Info-Vekst AS
- Ingvild Stene
- I-Pack AS
- Inusiya Vijeai
- Iseveien Eiendom AS
- Isi Bar AS
- Info Consensus AS
- Iseveien Services AS
- Iseveien Services AS
- Inter City Transport AS
- Ingeniør Stein Ballangrud Andersen
- Interiøreksperten Solfrid Rød Olsen
- Inger Marie Borgen Knold
- I Ø Landbrukservice AS Avd Sarpsborg
- Im - Bygg Service. Igor Makaruk
- Ing. P. I. Magnusen (NITO Takst)