| A a Eiendom AS | Real estate | 2011 |
| A5 Holding AS | | 2025 |
| Aalborg Aas Holding AS | Real estate | 2005 |
| Aalborg Aas Invest AS | Real estate | 2023 |
| Abu Romerike AS | Real estate | 2006 |
| Advokatene Lægland, Kosberg & Hanisch AS | Professional & scientific | 1987 |
| Advokatfirmaet Midling-Hansen AS | Professional & scientific | 2021 |
| Air-Sep Norge AS | Wholesale & retail | 2018 |
| Airlab AS | Professional & scientific | 2022 |
| Airpoint Dronetjenester AS | Professional & scientific | 2026 |
| Akershus Kran Og Industri Service AS | Manufacturing | 2012 |
| Aktivitetspartner AS | Transport & logistics | 2015 |
| Albus Dent AS | Health & social care | 2023 |
| Alexandra Hotell AS | Real estate | 1947 |
| Aliquando AS | | 2019 |
| Allwin Solutions AS | Information & communication | 2026 |
| Amajas Invest AS | | 2023 |
| Amawi AS | Professional & scientific | 2025 |
| Amtrust Insurance Services Sweden | Administrative & support | 2016 |
| Ans Choice Eidsvoll | Wholesale & retail | 1988 |
| Ans Sentrum Klær Eidsvoll | | 1989 |
| Anw Holding AS | Real estate | 2005 |
| Apartum AS | Real estate | 2017 |
| Apartum Utvikling AS | Real estate | 2015 |
| Apollonia AS | Construction | 2021 |
| Aquery AS | Information & communication | 2017 |
| Aquery Holding AS | Real estate | 2017 |
| Arionex AS | Professional & scientific | 2026 |
| Artifex Bygg AS | Construction | 2019 |
| AS Eidsvold Blad | Information & communication | 1987 |
| Asb AS | | 2025 |
| Askheim AS | Agriculture & fishing | 2021 |
| Askjum & Slettum AS | Real estate | 2022 |
| Atene Frisør AS | Other services | 2012 |
| AU2X AS | Administrative & support | 2018 |
| Audio Physics AS | Information & communication | 2019 |
| Avante AS | Real estate | 1998 |
| Baraas Kapital AS | | 2024 |
| Barne- Og Ungdomsfilosofene Ans | Education | 2000 |
| Barnevernbemanning AS | Health & social care | 2023 |
| Bartman AS | Other services | 2023 |
| Beauty Care AS | Wholesale & retail | 1974 |
| Beryl Holding AS | | 2026 |
| Big Bygg AS | Construction | 2022 |
| Bikelink AS | Wholesale & retail | 2025 |
| Bil Og Fritid AS | Real estate | 2012 |
| Bilspa 1 AS | Other services | 2025 |
| Biojet AS | Energy | 2018 |
| Birki AS | Financial services | 2005 |
| Biz Fashion Ans | | 1987 |
| Bjørg Og Evas Hjørne Da | Wholesale & retail | 1994 |
| Bjørnland Holding AS | | 2026 |
| Blomberg & Sandholt Da | | 2026 |
| Blomster & Florist AS | Wholesale & retail | 2018 |
| Brash AS | Real estate | 2005 |
| Breakfish AS | Professional & scientific | 2008 |
| Brohaug Eiendom AS | Real estate | 2013 |
| Brohaug Holding AS | Real estate | 2013 |
| Brygga Årnes AS | Hospitality | 2017 |
| Brødrene Hittnes AS | Construction | 2016 |
| Brødreneknutsen Eiendom AS | Real estate | 2020 |
| BV Formidling AS | Education | 2015 |
| Byrågruppen Verdighet AS | Other services | 2023 |
| Castle Myhre AS | Wholesale & retail | 2025 |
| Chili Haven AS | Agriculture & fishing | 2025 |
| China House Eidsvoll AS | Hospitality | 2021 |
| Cockpit Kommunikasjon AS | Professional & scientific | 2004 |
| Cogito IT AS | Real estate | 2015 |
| Cooli AS | | 2023 |
| Costa Invest AS | Real estate | 2016 |
| Crescat Eiendom AS | Real estate | 2018 |
| D Smokin Pizza Og Grill AS | Hospitality | 2023 |
| Dara Invest AS | Real estate | 2014 |
| Demims Consulting AS | Real estate | 2020 |
| Demims Holding AS | Real estate | 2021 |
| Demims Properties AS | Real estate | 2025 |
| Doktor Mustafa AS | Health & social care | 2020 |
| Down North AS | Information & communication | 2025 |
| Durabelt AS | Professional & scientific | 2021 |
| E & H Rørleggerbedrift AS | Construction | 2016 |
| E & H Rørleggerbedrift Eiendom AS | Real estate | 2022 |
| E & M'S AS | Wholesale & retail | 1992 |
| Eco Maler AS | Construction | 2016 |
| Ecoal AS | Wholesale & retail | 2023 |
| Edel Service AS | Administrative & support | 2026 |
| Effiservice AS | Administrative & support | 2016 |
| Egas Sport AS | Construction | 2000 |
| Eidel AS | Manufacturing | 1979 |
| Eidel Beauty AS | Other services | 2025 |
| Eidel Eiendom AS | Real estate | 1998 |
| Eidsvoll Anlegg AS | Administrative & support | 2020 |
| Eidsvoll Bemanning AS | Transport & logistics | 2016 |
| Eidsvoll Bil Og Transport AS | Other services | 2018 |
| Eidsvoll Bilsenter AS | Wholesale & retail | 2004 |
| Eidsvoll Blikkenslageri AS | Construction | 1990 |
| Eidsvoll Brønnborring AS | Real estate | 2015 |
| Eidsvoll Båtsenter AS | Wholesale & retail | 2007 |
| Eidsvoll Dyrebutikk AS | Wholesale & retail | 2014 |
| Eidsvoll Dyrepensjonat Og Karantene Da | Agriculture & fishing | 2006 |
| Eidsvoll Elektro Og Kjøkken AS | Wholesale & retail | 2020 |