| A Olsen AS | | 2023 |
| Abas Eiendom AS | Manufacturing | 1991 |
| Acf Eiendomsutvikling AS | Real estate | 2019 |
| Aluminiumsbearbeiding AS | Manufacturing | 2000 |
| Ann Kristin Harbosen AS | Other services | 2016 |
| Ar Skog & Tre Ans | Wholesale & retail | 1997 |
| AS Scan-Wood | Construction | 1976 |
| Asclepius AS | Arts & recreation | 2025 |
| Austun Holding AS | | 2026 |
| Awan Dental AS | Health & social care | 2017 |
| Back Country MC AS | Wholesale & retail | 2021 |
| Bernt Optimist AS | | 2021 |
| Berqstrom AS | Professional & scientific | 2018 |
| Bizway AS | Professional & scientific | 2021 |
| BL Skog Da | Agriculture & fishing | 2011 |
| BT Energidrift AS | Energy | 1982 |
| Bygd AS | Wholesale & retail | 2004 |
| Bygde Elektrikeren AS | Construction | 2004 |
| Byggmester Fjeld AS | Construction | 2025 |
| Bøndenes Hus Eidskog SA | Real estate | 1959 |
| Castrum AS | Real estate | 1986 |
| Cirkum AS | Wholesale & retail | 2020 |
| Container Transport AS | Transport & logistics | 1990 |
| Dalsjø Rør & Transport AS | Wholesale & retail | 2013 |
| Damlivegen AS | Real estate | 2024 |
| Dawids Byggtjeneste AS | Construction | 2013 |
| De Damene AS | Wholesale & retail | 2010 |
| Design of Norway AS | Professional & scientific | 2016 |
| Dronedata AS | Professional & scientific | 2019 |
| Edab AS | Manufacturing | 2005 |
| Eidskog Aktiv AS | Arts & recreation | 2004 |
| Eidskog Anlegg AS | Construction | 2007 |
| Eidskog Beiteavlslag Ba | Agriculture & fishing | 1978 |
| Eidskog Beitelag | Agriculture & fishing | 2017 |
| Eidskog Dyreklinikk AS | Professional & scientific | 2013 |
| Eidskog Landbruksenter SA | Real estate | 1959 |
| Eidskog Maskin AS | Manufacturing | 2025 |
| Eidskog Senter AS | Health & social care | 2017 |
| Eidskog Stangeskovene AS | Manufacturing | 2001 |
| Eidskog Tannlegesenter AS | Health & social care | 2016 |
| Eidskog Taxisentral SA | Transport & logistics | 2014 |
| Eidskog Tynningsservice AS | Agriculture & fishing | 2007 |
| Eilif Bråstad Holding AS | Real estate | 2021 |
| Ekvatek AS | Water & waste | 2017 |
| Eq Eiendom AS | Hospitality | 2018 |
| Eqpay AS | Real estate | 2014 |
| FRK Melby AS | Construction | 2019 |
| Furumoen 51 AS | Real estate | 2020 |
| Furuseth Eiendom AS | Real estate | 2004 |
| Gaustad AS | Transport & logistics | 2023 |
| GFK Eiendom AS | Real estate | 2023 |
| Glåmdal Takst AS | Real estate | 2021 |
| Glåmdal Transport AS | Transport & logistics | 2013 |
| Grenseparken AS | Wholesale & retail | 2018 |
| Grenseparken Invest AS | Real estate | 2022 |
| Grenseparken Utvikling AS | Real estate | 2026 |
| Haguair Holding AS | Real estate | 2022 |
| Hati Holding AS | Administrative & support | 2021 |
| Headwind Holding AS | | 2025 |
| Hovslager Røsland AS | Agriculture & fishing | 2025 |
| Hukenveien 27-29 AS | Real estate | 2020 |
| Hyf Invest AS | Real estate | 2017 |
| Ilag Snekkeri AS | Manufacturing | 1993 |
| Ilagsvegen 138 AS | | 2025 |
| Ilia AS | Wholesale & retail | 2022 |
| Ingelsrud Holding AS | Water & waste | 2017 |
| J Rønning Invest AS | Real estate | 2006 |
| Jeto Eiendomsinvest AS | Real estate | 2026 |
| Jeto Holding AS | | 2026 |
| Justme Media AS | Information & communication | 2019 |
| Jørgensen Skog AS | Agriculture & fishing | 2018 |
| Kapla Eiendom AS | Real estate | 2021 |
| Kas Service AS | Construction | 2023 |
| KH Service Og Eiendom AS | Real estate | 2023 |
| Kik Eiendom AS | Real estate | 2016 |
| Kjetil's Bussreiser AS | Administrative & support | 2013 |
| Knuserdeler AS | Wholesale & retail | 2026 |
| KR Repseth Auto AS | Wholesale & retail | 1998 |
| Kroksjøen Vannverk SA | Water & waste | 1962 |
| Kjell Trandem a.s | Construction | 1988 |
| Labtek AS | Manufacturing | 2012 |
| Langlierne Skog Ans | Agriculture & fishing | 2001 |
| Lillso AS | | 2005 |
| Lykke Gata AS | Real estate | 2020 |
| Lørdagsbakken AS | Agriculture & fishing | 2014 |
| Magnorgården AS | Real estate | 1998 |
| Matmakeriet AS | Hospitality | 2020 |
| Maurvegen AS | Real estate | 2010 |
| Max Ivan AS | Hospitality | 2016 |
| Mek Norge AS | Transport & logistics | 2019 |
| Melbygg Holding AS | | 2021 |
| Morokulien AS | Hospitality | 2015 |
| MTM Investments AS | Health & social care | 2023 |
| Nek-Tek AS | Professional & scientific | 2016 |
| Nilsson Og Aurbakken Landbruk Da | Agriculture & fishing | 2026 |
| Nordisk Tollservice & Spedisjon AS | Transport & logistics | 2008 |
| Nordre Eidskog Skogsbilveglag SA | Real estate | 2018 |
| Norsk Spesialtransport AS | Transport & logistics | 2024 |
| Odd Hagerud AS | Construction | 1995 |
| Ommedal Anlegg AS | Construction | 2026 |