Bedrift I - Sandnessjøen
- Ivo AS
- Ivarhavn AS
- iSandnessjøen
- Inwst AS
- Ivanna Likhotop
- Iogt Helgeland
- Insitu Eiendom AS
- Iconomy Holding AS
- Imo Mare AS
- Iteam 18 AS
- IKM Inspection AS
- Ingvilds Venner
- Immobiliare Investor AS
- Ingvilds Venner
- iteam Sandnessjøen
- Ivar Hesjevik
- Ivarsen Helgeland Renholdsservice
- ISS Facility Services AS
- Ingebrigtsen Svein Gunnvald
- Interiør Service Helgeland AS
- I Samme Båt Nordland AS
- Iversen P & A
- In the Same Boat
- Ingeniør R E Iversen AS
- International Center for Justice
- Ina Otzko - Io Ram
- Industri & Energi Avd 0342
- 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)
- Industri Energi ASCO Norge, Avdeling Sandnessjøen
- Industri Energi ASCO Norge, Avdeling Sandnessjøen
- Institutt for Psykomotorisk Fysioterapi, Sandnessjøen Cathrine Egeness