| 2THOM AS | Real estate | 2020 |
| 3J Consulting AS | Information & communication | 2020 |
| A1 Undervisningstjenester AS | Education | 2015 |
| Aambø Trening Og Fysioterapi AS | Health & social care | 2018 |
| AI Investment AS | | 2021 |
| Akupunktør Jorunn J. Andersen AS | Health & social care | 2022 |
| Ar-Ne Invest AS | Real estate | 2021 |
| Arcgrandahl AS | Professional & scientific | 2024 |
| Arne Eiendom AS | Real estate | 2021 |
| Beacon Management AS | Professional & scientific | 2012 |
| Bergen Bilstereo AS | Wholesale & retail | 2014 |
| Bjerkebekk Holding AS | | 2021 |
| BK Bygg Og Konsult AS | Construction | 2026 |
| Borg Catering Ans | Hospitality | 2007 |
| Borg Tech AS | Information & communication | 2018 |
| Cloudymals AS | Arts & recreation | 2024 |
| Datatippern Ans | Arts & recreation | 1988 |
| Digitools AS | Information & communication | 2023 |
| Docaid AS | Health & social care | 2022 |
| Eii Holding AS | | 2022 |
| Elaqus AS | Wholesale & retail | 2014 |
| Elementa System Hus AS | Construction | 2026 |
| Emilie Andersen Holding AS | | 2024 |
| Entx AS | Administrative & support | 2024 |
| Epoxypartner AS | Construction | 2017 |
| Es Eiendomsutvikling AS | Real estate | 2015 |
| Fredrikstad Catering Ans | Hospitality | 2009 |
| Gotteberget Holding AS | Professional & scientific | 2018 |
| Green Edge Compute AS | Information & communication | 2025 |
| Grålum Invest AS | Real estate | 2017 |
| Hannestad Bil AS | Wholesale & retail | 2025 |
| Harbo Tombre Holding AS | | 2025 |
| Hasle-Finstad Holding AS | Financial services | 2015 |
| Helgesen Rør Og Gass AS | Construction | 2015 |
| Hu-Nor Impex AS | Wholesale & retail | 1996 |
| Iversen Investment AS | | 2021 |
| Jasl Holding AS | | 2023 |
| Johnsens Veterinærtjenester AS | Professional & scientific | 2015 |
| Jåki Vaktmester AS | Construction | 2025 |
| Jørgensen & Jacobsen Eiendom AS | Real estate | 2003 |
| K2 Finans AS | Real estate | 2000 |
| Kokkeglede AS | Wholesale & retail | 2023 |
| Kontorservice Østfold Da | Other services | 2009 |
| Kuldespesialisten AS | Construction | 2020 |
| Limok Holding AS | | 2021 |
| Lindbergolsen Invest AS | | 2017 |
| Lisø Eiendom AS | Real estate | 2024 |
| Lisø Invest AS | Real estate | 2016 |
| Locatio AS | Real estate | 2024 |
| LTJ AS | Professional & scientific | 2014 |
| LYKKE REFSGAARD-LR NORGE Norsk avdeling av utenlandsk foretak NUF | Wholesale & retail | 1996 |
| Mango Marina AS | Real estate | 2006 |
| Maritime Software Solutions AS | Information & communication | 2003 |
| Martin Hovdum Bygg Og Rehabilitering AS | Construction | 2013 |
| Marubo Holding AS | | 2023 |
| Masoal Invest AS | | 2021 |
| Medipure AS | Wholesale & retail | 2019 |
| Mickey Fliser AS | Construction | 2019 |
| Minior AS | Wholesale & retail | 2015 |
| Moss Catering Ans | Hospitality | 2009 |
| Navestad Holding AS | Professional & scientific | 2020 |
| Ojsann AS | Professional & scientific | 2018 |
| Oljo Holding AS | | 2022 |
| Omlio AS | Real estate | 2023 |
| Paintress Passion AS | Arts & recreation | 2025 |
| Printex Sales & Promotion AS | Professional & scientific | 1956 |
| Privicore AS | Information & communication | 2013 |
| Pro-Nutrition Norge AS | Wholesale & retail | 2025 |
| Profecta AS | Professional & scientific | 2013 |
| Rakkestad Industriutvikling AS | Real estate | 1997 |
| Raymond Nicolaysen Holding AS | Transport & logistics | 2007 |
| RGT Invest AS | | 2026 |
| Rolvsøy Kapitalforvaltning Da | | 2024 |
| Romslo AS | | 2009 |
| Rådebo Kennel Da | Agriculture & fishing | 1988 |
| Safety Seven | Information & communication | 2011 |
| Saga Consulting AS | | 2022 |
| Serwent Høytrykk Og Vedlikeholdsservice AS | Water & waste | 2021 |
| Sheepdog Holding AS | | 2024 |
| Skar & Ravneng Vann & Avløpslag SA | Water & waste | 2008 |
| Skartveit Holding AS | | 2025 |
| Smej Holding AS | | 2021 |
| Solinko AS | | 2020 |
| Sport Solutions AS | Information & communication | 2023 |
| Sqlexpert AS | Information & communication | 2014 |
| Synnedesign AS | Information & communication | 2023 |
| Thai Food Ans | Hospitality | 2008 |
| Thai Home Ans | Administrative & support | 2007 |
| Thoresen Anlegg Og Transport AS | Wholesale & retail | 2004 |
| Three Pillars Holding AS | Real estate | 2024 |
| Tikomanik AS | Wholesale & retail | 1999 |
| TM Nilsen Holding AS | | 2026 |
| TN Tegning AS | Professional & scientific | 2018 |
| Totaldrift AS | Administrative & support | 2026 |
| Tune Maskin AS | Wholesale & retail | 1988 |
| Tune Maskin Forvaltning AS | Wholesale & retail | 1992 |
| Tuneskipet Barnehage SA | Education | 1989 |
| Tvedten Enterprises AS | Information & communication | 2014 |
| Tømrer David Olsen AS | | 2021 |
| Venator Tours AS | Administrative & support | 2016 |