| Gjøvik & Toten Golfsenter AS | Arts & recreation | 2021 |
| Gjøvik Og Toten Informasjons- Teknologi Ans | Information & communication | 2002 |
| Gjøvik Vedlikehold Og Service AS | Construction | 2018 |
| GK Holding Invest AS | Financial services | 2005 |
| Glomstad Holding AS | Financial services | 2005 |
| Glomstad Motor AS | Wholesale & retail | 2013 |
| GLT Anleggstjenester AS | Mining & quarrying | 2002 |
| Godbiten Raufoss AS | Hospitality | 2016 |
| GRC Invest AS | | 2020 |
| Greenstart AS | Professional & scientific | 2024 |
| Grimaas Bryggeri AS | Manufacturing | 2017 |
| Grimåsskogen Barnehage SA | Education | 1989 |
| Grobi AS | Professional & scientific | 1985 |
| Grøndalen Holding AS | Financial services | 2013 |
| Grønne Trær AS | Administrative & support | 2013 |
| Hage Og Vedlikehold AS | Administrative & support | 2013 |
| Hagen Minimaskin AS | Administrative & support | 2010 |
| Hahva Anlegg AS | Construction | 2024 |
| Hahva Holding AS | Construction | 2024 |
| Hammerstad Bygg AS | Construction | 2025 |
| Hamnøya 54 AS | Real estate | 2018 |
| HANS1 Holding AS | Administrative & support | 2020 |
| Haugdalen Eiendom AS | Real estate | 2014 |
| Havet Eiendom AS | Real estate | 2003 |
| Havet Holdingselskap AS | Real estate | 2023 |
| HC3 Invest AS | | 2023 |
| Helleg Invest AS | Real estate | 2019 |
| Helsekosten Verdal AS | Real estate | 2005 |
| HJ Spedisjon AS | Transport & logistics | 2026 |
| Hj-Eiendom AS | Real estate | 2008 |
| Hobbydyrker Distribusjon AS | Wholesale & retail | 2013 |
| Holte Eiendom AS | Real estate | 1997 |
| Holthe Almenning Da | Agriculture & fishing | 2013 |
| Hoogendoorn AS | Wholesale & retail | 2020 |
| Hud Og Fotklinikken Raufoss AS | Other services | 2021 |
| Hunnselvveien 3 AS | Real estate | 2014 |
| Håkenstad & Sønn AS | Transport & logistics | 2018 |
| Håkenstad Graving Og Transport AS | Construction | 2017 |
| Håkerud Johansen Transport AS | Transport & logistics | 2000 |
| Hårfryd AS | Other services | 2020 |
| Hårknuta AS | Other services | 2012 |
| Hårsans AS | Other services | 2020 |
| Håvard Haugstulen AS | Professional & scientific | 2014 |
| Ikin Holdings AS | Information & communication | 2024 |
| Imatech AS | Information & communication | 2023 |
| Industrinytt AS | Information & communication | 2024 |
| Inisty Da | Wholesale & retail | 2024 |
| Innlandet Byggteknikk AS | Construction | 2025 |
| Innlandet Eiendom AS | Real estate | 2012 |
| Inspira Blomster AS | Wholesale & retail | 2009 |
| Intek Engineering AS | Manufacturing | 1980 |
| Intelligate AS | Professional & scientific | 2017 |
| Isiflo AS | Manufacturing | 2000 |
| Isoservice Da | Construction | 2009 |
| IV Solutions AS | Information & communication | 2025 |
| J Karlsen Eiendom AS | Real estate | 1994 |
| J.K.Varme Og Service AS | Other services | 2017 |
| Jeken AS | Wholesale & retail | 2025 |
| JENSEN IMPORT OG SALG Elin og Bent Jensen | Manufacturing | 1982 |
| JH Casings AS | Professional & scientific | 2010 |
| JH Engineering AS | Professional & scientific | 2010 |
| Joker Invest AS | | 2021 |
| Jomach AS | Financial services | 2017 |
| Josk Holding AS | Professional & scientific | 2014 |
| K2 Drift AS | Professional & scientific | 2020 |
| Kildalsvingen 3 AS | Real estate | 2014 |
| Kildalsvingen Eiendom AS | Real estate | 2024 |
| Kimra AS | Information & communication | 2026 |
| Klippen Bolig AS | Real estate | 2026 |
| Knapporama Nuf | Arts & recreation | 2022 |
| Komm-In AS | Financial services | 2011 |
| Kon-Fru-To Ans | | 1988 |
| Kristiansen & Kristiansen Eiendom Da | Real estate | 1996 |
| Kru AS | | 2024 |
| Krudtverket AS | Administrative & support | 2017 |
| Kuka Nordic Norway Nuf | Wholesale & retail | 2002 |
| Legedrift Raufoss AS | Health & social care | 2018 |
| Leonor Holding AS | | 2025 |
| Lervold Eiendom AS | Real estate | 1989 |
| Licar AS | Information & communication | 2009 |
| Lien Eiendom AS | Real estate | 1998 |
| Lindbäck Holding AS | | 2026 |
| Liten Q AS | Wholesale & retail | 2018 |
| Lm.Nyhuus AS | Wholesale & retail | 2025 |
| LMK Boligstyling AS | Professional & scientific | 2021 |
| LRN Distribusjon AS | Transport & logistics | 2022 |
| LRN Eiendom AS | Real estate | 2016 |
| LRN Transport AS | Transport & logistics | 1987 |
| LRN Transport Holding AS | | 2025 |
| LS Bygg Og Service AS | Construction | 2017 |
| LS Håndverk AS | Construction | 2024 |
| Lunde Gårdsbarnehage AS | Education | 2014 |
| Lysgård Invest AS | Real estate | 2019 |
| Løkken Invest Raufoss AS | Financial services | 2005 |
| Løkken PR Og Event AS | Professional & scientific | 2016 |
| Lørberg AS | Construction | 2014 |
| Løvås Konsulenttjenester AS | Professional & scientific | 2023 |
| M.F Invest AS | Real estate | 2023 |
| Magne Sveen AS | Construction | 1990 |
| Majoru Invest AS | | 2020 |