| Imago Invest AS | Kongsberg | 2005 |
| Imbon AS | Sandnes | 2019 |
| Imex Auto AS | Rygge | 2026 |
| Img Customs AS | Stathelle | 2026 |
| Imi Haugaland Begravelsesbyrå AS | Haugesund | 1995 |
| Imi Tromsø Begravelsesbyrå AS | Tromsø | 1951 |
| Immortal Ink AS | Halden | 2015 |
| Imobiliare Holding AS | Skien | 2022 |
| Imont AS | Klæbu | 2022 |
| Imperium Service AS | Oslo | 2025 |
| Impuls Bevegelsen AS | Stavanger | 2013 |
| Impuls Frisør AS | Svelvik | 2013 |
| Imr AS | Kristiansand S | 2018 |
| In Concept Beauty | Haugesund | 2006 |
| In Decor AS | Finnsnes | 2018 |
| In Hårdesign AS | Lillesand | 2021 |
| In Line Frisør AS | Porsgrunn | 2020 |
| In Si Frisør AS | Loddefjord | 1991 |
| In Via Verksted AS | Fauske | 2021 |
| Ina Hardem AS | Fornebu | 2024 |
| Ina Himle Sports Dogs AS | Dal | 2023 |
| Incendi Labs AS | Oslo | 2021 |
| Inch AS | Oslo | 2015 |
| Inchaidi Thai Massaje & Spa AS | Skarnes | 2016 |
| Incut Design Frisør AS | Sandnes | 2020 |
| Independent Hair AS | Drammen | 2009 |
| Independent Living Norge AS | Drammen | 2013 |
| Inderøy Seterlag SA | Inderøy | 1960 |
| Indiana AS | Namsos | 2021 |
| Indie Bazaar AS | Stavern | 2026 |
| Indiehair AS | Larvik | 2014 |
| Indigo Dame Og Herrefrisør AS | Horten | 2015 |
| Indisk Emporium AS | Bergen | 2012 |
| Individual Car Restoration Company AS | Kleppestø | 2024 |
| Individuel Kvadrat AS | Sandnes | 2019 |
| Indre Fosen Begravelsesbyrå AS | Rissa | 2016 |
| Indre Namdal Begravelsesbyrå AS | Namsskogan | 2015 |
| Indre Namdal Næringsforum SA | Limingen | 2007 |
| Indre Oslo Dampselskap AS | Oslo | 2024 |
| Indre Salten Begravelsesbyrå | Fauske | 2008 |
| Indre Sogn Gravferdsbyrå Da | Øvre Årdal | 1990 |
| Indreeide Mekaniske Verkstad AS | Eidsdal | 1994 |
| Indresalong AS | Trøgstad | 2021 |
| Inegre AS | Bodø | 1990 |
| Inez AS | Sandnes | 2013 |
| Infini Norge AS | Oslo | 2024 |
| Inform Frisørsalong AS | Vennesla | 1997 |
| Ing. Rybergsgate 108 AS | Oslo | 2012 |
| Ingas Elegance AS | Rælingen | 2026 |
| Ingatun AS | Nøtterøy | 2022 |
| Inge Tangen Invest AS | Nedre Eggedal | 2005 |
| Ingenieurbüro Robert Heinemann | 39110 Magdeburg | 2014 |
| Inger Elin Hetland AS | Sandnes | 2016 |
| Inger S Salong. Fot Og Hudpleie AS | Alvdal | 2022 |
| Inglow AS | Strømmen | 2026 |
| Ingrid Denstadli AS | Rissa | 2024 |
| Ingrid Och Lars Hannells Stiftelse NR 2 | Se-223 61 Lund | 2023 |
| Ingrid Studio AS | Kleppe | 2026 |
| Ingunns Frisørsalong AS | Sandnes | 2009 |
| Ingvild Sannerhaugen AS | Rælingen | 2012 |
| Ink & Fades Jekta AS | Tromsø | 2017 |
| Ink & Fades Kvadrat AS | Sandnes | 2015 |
| Ink & Fades Lagunen AS | Rådal | 2018 |
| Ink & Fades Sartor AS | Straume | 2016 |
| Ink Flink AS | Mo I Rana | 2025 |
| Ink Story AS | Oslo | 2024 |
| Ink Tattoo Bergen AS | Bergen | 2023 |
| Ink the World AS | Oslo | 2018 |
| Inka Hundesenter AS | Oslo | 2021 |
| Inksafir AS | Leira I Valdres | 2024 |
| Inn På Tunet Trøndelag SA | Steinkjer | 2006 |
| Innebandyens Venner Da | Oslo | 2003 |
| Innlandet Autolakk AS | Braskereidfoss | 2017 |
| Innlandet Billakk AS | Ottestad | 2025 |
| Innlandet Caravanservice AS | Brumunddal | 2025 |
| Innlandet Eiendomstjenester AS | Dokka | 2021 |
| Innlandet Hudklinikk AS | Gjøvik | 2019 |
| Innlandet Lastebilservice AS | Rudshøgda | 2026 |
| Innlandet Tuning AS | Vågå | 2025 |
| Innlandet Vask Og Rens AS | Elverum | 2023 |
| Innova Klinikken AS | Elverum | 2015 |
| Innpå AS | Bodø | 2024 |
| Innsamlingsstiftelsen Indianchildren - Birigtta Ekmans Fond För Barn I Indien | Se-75103 Uppsala | 2020 |
| Innsel Frisørstudio AS | Ørsta | 2007 |
| Innset Bensin & Service Da | Rennebu | 1989 |
| Innvær Invest AS | Bremnes | 2005 |
| Inova Aesthetics AS | Oslo | 2026 |
| Inp AS | Vikersund | 2016 |
| Insamlingsstiftelsen Eden Foundation | Se-311 70 Falkenberg | 2017 |
| Insanity Detailing AS | Langhus | 2022 |
| Inspira Drift AS | Stord | 2018 |
| Inspire Hypnose AS | Alta | 2024 |
| Inspirit Tattoo AS | Stavanger | 2020 |
| Instek AS | Kongsvinger | 1988 |
| Instrumentservice AS | Oslo | 2001 |
| Instrumentverkstedet AS | Klokkarstua | 2024 |
| Intakt Bilskade Bergen AS | Kokstad | 2018 |
| Intakt Bilskade Drammen AS | Lierstranda | 2023 |
| Intakt Bilskade Drift AS | Trondheim | 2023 |
| Intakt Bilskade Fjordane AS | Førde | 2022 |