Bedrift I - Barkåker
- Impeksa AS
- Ifarge AS
- Ivar Høie
- Iso Holding AS
- i ELEKTRO AS
- Interiør-Snekkern AS
- I bygg AS
- Imrane Sadiku
- Ingvild Helene Eckdahl
- Isabell - Cmc Varme AS
- Ingenandreennegil Egil Heine Strand
- Intervisjon Glass og Interiør
- Ivo Byggeservice Stefanska-Dabco
- Insider Facility Solutions AS Tønsberg
- ISS Service Management AS Avd Kontorstøtte Tønsberg
- ISS Service Management AS Avd Renhold Tønsberg
- ISS Service Management AS Avd Eiendom Tønsberg
- ISS Facility Services AS Avd Renhold Tønsberg