| 2 Rom Og Kjøkken AS | Construction | 2014 |
| A.B Tjenester AS | Administrative & support | 2011 |
| A.T. Taasen Holding AS | Manufacturing | 2008 |
| Aas Grunneierlag SA | Agriculture & fishing | 1966 |
| Aas Samdrift Da | Agriculture & fishing | 1975 |
| Ambrosia Mat AS | Hospitality | 2024 |
| ANS BIRKELUNDS TRANSPORT Roy og Geir Birkelund | Transport & logistics | 1989 |
| Anstein Hansen Transport AS | | 1999 |
| Anteria AS | Information & communication | 2025 |
| Apollon Medical AS | Administrative & support | 2021 |
| Arko Bjørn AS | Financial services | 2018 |
| Arko Drift AS | Real estate | 1985 |
| Arko Eivind AS | Financial services | 2018 |
| Arko Invest AS | Wholesale & retail | 2005 |
| Arnt Invest AS | Financial services | 2005 |
| Bakegodt AS | Manufacturing | 2021 |
| Bergsjøvegen 31 AS | Real estate | 2025 |
| Bergsjøveien Eiendom AS | Real estate | 2012 |
| Brødrene Myhre Gulv Og Malerservice AS | Construction | 2020 |
| BS Truckservice AS | Real estate | 2007 |
| Byggmester Sæther AS | Administrative & support | 2013 |
| Børsvolden Samdrift Da | Agriculture & fishing | 2002 |
| Bøverbru Legedrift Da | Health & social care | 2009 |
| C.B Holding AS | Real estate | 2023 |
| C.R. Invest AS | Wholesale & retail | 2024 |
| Cavi Invest AS | Manufacturing | 2021 |
| Claria AS | Health & social care | 2021 |
| Corinor AS | Manufacturing | 1984 |
| Dotsetsveen Holding AS | | 2021 |
| Elkontroll Innlandet AS | Professional & scientific | 2024 |
| Erik Sivesind Transport AS | Transport & logistics | 2020 |
| Fremstad Og Røise Landbruk AS | Agriculture & fishing | 2016 |
| Gaukom Gård A/S | Real estate | 2017 |
| Grønne Jorder AS | Agriculture & fishing | 2020 |
| Gøthe Holding AS | | 2021 |
| Haugseth Holding AS | Manufacturing | 2005 |
| Helse, Behandling Og Eiendom AS | Real estate | 2017 |
| Huuse Drift AS | Administrative & support | 2017 |
| Ihle Barnehage SA | Education | 1994 |
| Ihle Bilverksted Ans | Other services | 1997 |
| Ihle Bilverksted AS | Other services | 2003 |
| Ihle Eiendomselskap Da | Real estate | 2004 |
| Ihle Fiskeeierlag SA | Arts & recreation | 2024 |
| Kai Sandvold Holding AS | Transport & logistics | 2005 |
| Kjelsberg Invest AS | Real estate | 2024 |
| Klas Golfskola | Education | 2004 |
| Knatterud Holding AS | Real estate | 2018 |
| Ks-Invest AS | Real estate | 2005 |
| Kutoppen AS | Administrative & support | 2023 |
| Lunn Bygg AS | Construction | 2021 |
| Møbeltjenester AS | Other services | 2024 |
| Nyhagen Og Nerseth Grunneierlag SA | Real estate | 1995 |
| Oma Plast AS | Manufacturing | 1986 |
| Oppland Boligkontroll Og Takst AS | Professional & scientific | 2018 |
| Oppland Maler Og Gulvservice AS | Construction | 2008 |
| Pedersen Sveis & Maskinering AS | Manufacturing | 2005 |
| Piash Holding AS | Real estate | 2020 |
| Prøven Tomteutvikling AS | Real estate | 2019 |
| Reinsvoll Bygg Og Anlegg AS | Construction | 2018 |
| Schjøll AS | Construction | 2009 |
| SG Service AS | Construction | 2024 |
| Sillongen AS | Real estate | 1987 |
| Sillongen Helse Og Kurshotell Ans | Other services | 2024 |
| Sillongen Holding AS | Hospitality | 2005 |
| Sillongen Hospitality AS | Hospitality | 2023 |
| Sivesind Eiendom Og Transport AS | Real estate | 2005 |
| Sivesind Graveservice AS | Construction | 2016 |
| Sivesind Transport AS | Transport & logistics | 1996 |
| Skeie Holding Gjøvik AS | | 2016 |
| Smedbøle Beitelag Da | Agriculture & fishing | 2007 |
| Smågarda Maskinlag AS | Administrative & support | 2025 |
| Smågardshonning AS | Agriculture & fishing | 2017 |
| Solarmin AS | Professional & scientific | 2020 |
| Storgata 13 AS | Real estate | 2020 |
| Studio Studio Nyhagen Ans | Arts & recreation | 1996 |
| Terje Haug Ans | Agriculture & fishing | 2002 |
| Tga AS | Construction | 2006 |
| Tga Transport AS | Transport & logistics | 2014 |
| Toten Bygg Og Rehabilitering AS | Construction | 2021 |
| Toten Golf AS | Arts & recreation | 1999 |
| Toten Hotel Sillongen AS | Hospitality | 1998 |
| Toten Kjøtt AS | Manufacturing | 1981 |
| Toten Maskindrift AS | Agriculture & fishing | 2013 |
| Toten Trading AS | Other services | 2017 |
| Totenblokka AS | Manufacturing | 2021 |
| TP Garasjen AS | Real estate | 2023 |
| Transportpartner Gjøvik AS | Transport & logistics | 1998 |
| Trostrud Begravelsesbyrå Gjøvik Toten AS | Other services | 1989 |
| Unicare Steffensrud AS | Health & social care | 1982 |
| Yez Holding AS | Agriculture & fishing | 2021 |
| Øines AS | Administrative & support | 2015 |
| Øsh Holding AS | | 2025 |