Bedrift I - Sandnessjøen
- Ivarhavn AS
- Ivo AS
- iSandnessjøen
- Inwst AS
- Insitu Eiendom AS
- Iconomy Holding AS
- Iogt Helgeland
- Ivanna Likhotop
- IKM Inspection AS
- iteam Sandnessjøen
- Immobiliare Investor AS
- Ingvilds Venner
- Ingvilds Venner
- Imo Mare AS
- Inwel Performance AS
- Ivar Hesjevik
- ISS Facility Services AS
- Interiør Service Helgeland AS
- Ingebrigtsen Svein Gunnvald
- In the Same Boat
- Iversen P & A
- In the Same Boat
- I Samme Båt Nordland AS
- Ionov Flis og Maling
- Ingeniør R E Iversen AS
- Ina Otzko - Io Ram
- Industri & Energi Avd 0342
- International Center for Justice
- Ingjerd og Peter Holding AS
- Ingjerd og Peter Eiendom AS
- Ina Otzko / Io Productions
- ISS Facility Services AS Avd 423124 Sentrum Næringshage
- Ingeniør Carl U Bugge (NITO Takst)
- I Enden Av Regnbuen - Falch Iversen
- Industri Energi ASCO Norge, Avdeling Sandnessjøen
- Industri Energi ASCO Norge, Avdeling Sandnessjøen
- Institutt for Psykomotorisk Fysioterapi, Sandnessjøen Cathrine Egeness