| 24 Fiber Nuf | Construction | 2011 |
| Adje Renhold AS | Administrative & support | 2016 |
| Ahead V AS | Manufacturing | 2007 |
| Analytica Prime AS | Professional & scientific | 2025 |
| Anny AS | | 2020 |
| AS Luval Messer | Real estate | 1981 |
| Bad Og Snekker AS | Construction | 2023 |
| Betten Bygg Og Vedlikehold AS | Construction | 2025 |
| Borealgruppen AS | | 2025 |
| Breivold Holding AS | | 2023 |
| Bygges AS | Construction | 2019 |
| Byggsterk AS | Construction | 2025 |
| Bøk Invest AS | Administrative & support | 2020 |
| Calma Invest AS | | 2021 |
| Cbot AS | Transport & logistics | 2014 |
| Custom Tattoo AS | Other services | 2026 |
| Dyktig AS | Information & communication | 2013 |
| Dyktig Consulting AS | Information & communication | 2021 |
| Dyktig Invest AS | Information & communication | 2021 |
| Eiendom 2000 AS | Real estate | 2005 |
| Eir Nordiske Urter AS | Agriculture & fishing | 2026 |
| Express Liftutleie Da | Administrative & support | 1995 |
| Fem T AS | Wholesale & retail | 2017 |
| Friske Bygg AS | Administrative & support | 2020 |
| GH Kran AS | Transport & logistics | 2013 |
| Gjenlyst AS | Wholesale & retail | 2025 |
| Grøndalen AS | Transport & logistics | 2014 |
| GVN 10 AS | | 2017 |
| HB Utemiljø Da | Administrative & support | 2026 |
| Helian Invest AS | Real estate | 2014 |
| Hens Holding AS | Construction | 2009 |
| Housepainter AS | Construction | 2021 |
| I. H. Service AS | Wholesale & retail | 2005 |
| Imj AS | | 2021 |
| Jahrens Skog Og Landbruks Service AS | Agriculture & fishing | 2023 |
| Jarbu Invest AS | | 2020 |
| Jarbu Utvikling AS | | 2020 |
| Jessheim Snøservice AS | Administrative & support | 2015 |
| JN Utvikling AS | Real estate | 2017 |
| Kopperud Søndre AS | Administrative & support | 2021 |
| LK Moen Holding AS | | 2023 |
| Madona Nuf | Education | 2005 |
| Matiz Arkitektur AS | Professional & scientific | 2023 |
| Mineral-Expressen AS | Wholesale & retail | 2017 |
| Nitteberg AS | Transport & logistics | 2023 |
| Nitteberg Eiendom AS | Real estate | 2023 |
| Nitteberg Gruppen AS | Transport & logistics | 2023 |
| Nitteberg Logistikk AS | Real estate | 2024 |
| Nlu AS | Administrative & support | 2025 |
| Nor-Bo AS | Real estate | 2017 |
| Nordby Utleie Da | Real estate | 2007 |
| Nordkisa Grunneierlag SA | Real estate | 1947 |
| Nordkisa Hundepark AS | Agriculture & fishing | 2024 |
| Nordkisa Pizza & Grill AS | Hospitality | 2024 |
| Norwegian Atlantic AS | Wholesale & retail | 2026 |
| Nye Ullensaker Vaktmestertjenester AS | Administrative & support | 2026 |
| Personal Pluss AS | Professional & scientific | 2014 |
| Pga Lås AS | Administrative & support | 2025 |
| Prism Investeringer AS | | 2021 |
| RBF Holding AS | | 2026 |
| Redigo AS | Information & communication | 1997 |
| Rodan Import Da | Wholesale & retail | 1997 |
| Romerike Minilager AS | Transport & logistics | 2006 |
| Sens Consulting AS | Information & communication | 2017 |
| Shuttle Service AS | Transport & logistics | 2021 |
| Skawaag Holding AS | | 2017 |
| SN Reserve AS | Information & communication | 2017 |
| Storyhouse AS | Information & communication | 2016 |
| Tokt&Tur AS | Administrative & support | 2022 |
| Ullensaker Elektriske AS | | 1982 |
| Ullensaker Vaktmestertjenester Holding AS | | 2026 |
| Ulna AS | Education | 2008 |
| Vijo Maskinservice AS | Manufacturing | 2011 |
| Vilberg Eiendom Khø AS | Real estate | 2017 |
| VST Holding AS | Wholesale & retail | 2018 |
| Yggdrasil Yoga AS | Arts & recreation | 2024 |
| Øivind Sundby Krantransport AS | Transport & logistics | 2012 |