| Fraci Eiendomsdrift AS | Real estate | 2026 |
| Fridmark Næring AS | Real estate | 2018 |
| FT Studio AS | Professional & scientific | 2025 |
| Fz-Holding AS | | 2024 |
| Fz-Tec AS | | 2022 |
| G.G. Consult AS | Education | 2012 |
| Ga Meknett AS | Manufacturing | 1994 |
| Galeos AS | | 2023 |
| Gideon AS | | 2024 |
| Gill Gruppen AS | Wholesale & retail | 1940 |
| Glommen A/S | Wholesale & retail | 1988 |
| Gnisten Barnehage SA | Education | 2004 |
| Gnisten Invest AS | | 2007 |
| Gods På Vei AS | Transport & logistics | 2018 |
| Golden Atlantic AS | Wholesale & retail | 2018 |
| Grand Auto AS | Wholesale & retail | 2015 |
| Grand Autodesign AS | Other services | 2015 |
| Grane Holding AS | Information & communication | 2024 |
| Green Invent AS | | 2024 |
| Green Shifting AS | | 2024 |
| Green Table AS | Wholesale & retail | 1998 |
| Green-Nor Group AS | | 2024 |
| Gruvi Games AS | Arts & recreation | 2004 |
| Gundersen & Sand Snekkerservice AS | Construction | 2014 |
| Gusta AS | Transport & logistics | 2022 |
| H.Petter Holding AS | | 2025 |
| Hagan Apotek AS | Wholesale & retail | 2025 |
| Hagan Byggservice Ans | Construction | 1995 |
| Hagan Maskin AS | Construction | 2018 |
| Hagan Pizza & Kebab AS | Hospitality | 2021 |
| Hagan Senterforetak SA | Wholesale & retail | 2018 |
| Hagan Yacht Club Holding AS | Financial services | 2005 |
| Haganlegene AS | Health & social care | 2017 |
| Hagearbeid AS | Administrative & support | 2023 |
| Happy-T AS | Wholesale & retail | 2017 |
| Haram Holding AS | Information & communication | 2017 |
| Harris Auto AS | Wholesale & retail | 2018 |
| Haukland Holdings AS | | 2025 |
| He Bolig AS | Real estate | 2021 |
| Hebolill AS | | 2021 |
| Hedoni Wines AS | Wholesale & retail | 2015 |
| Heggeveien 13 AS | Real estate | 2021 |
| Heldrup AS | Wholesale & retail | 2002 |
| Heleli Invest 3 AS | | 2018 |
| Helli Holding AS | | 2005 |
| Heramb Invest AS | | 2021 |
| Heras Norway AS | Manufacturing | 1985 |
| Heyday Wines AS | Wholesale & retail | 2015 |
| Hilma Motor AS | Wholesale & retail | 2024 |
| Hilton Tech & Holding AS | | 2023 |
| Himar Commerce LLC Nuf | Wholesale & retail | 2024 |
| Himar Enterprise AS | Wholesale & retail | 2022 |
| HMG Supplies AS | Wholesale & retail | 2012 |
| HNS Holding AS | Construction | 2023 |
| Hobbsters AS | Information & communication | 2019 |
| Holager Holding AS | | 2021 |
| Holding NBH AS | | 2026 |
| Honningbarn AS | Agriculture & fishing | 2021 |
| Horgmo Consulting AS | Information & communication | 2005 |
| HP Trading Da | Manufacturing | 2008 |
| Hule Eiendom AS | Real estate | 2021 |
| Hundremeterskogen Ideelle & Biologiske Barnehage SA | Education | 2000 |
| Hvitevareteknikk AS | Wholesale & retail | 2005 |
| Hypro Cartex AS | Wholesale & retail | 1986 |
| Hypro Holding AS | | 2024 |
| Hypro Superkvikk AS | Wholesale & retail | 2025 |
| Høker AS | Construction | 2017 |
| Høyspent Konsult AS | Professional & scientific | 2012 |
| Ibg AS | Wholesale & retail | 1987 |
| Idrettens Venner Da | Administrative & support | 2007 |
| Ihler Invest AS | | 2025 |
| Ikhlas Invest AS | Real estate | 2026 |
| Iloop AS | Information & communication | 2016 |
| Imaad Media AS | Real estate | 2016 |
| Incepta AS | Real estate | 1995 |
| Ind. Veien 17 AS | Real estate | 2011 |
| Ind. Veien 27 D AS | Real estate | 2011 |
| Indo Scan Ltd Nuf | Real estate | 2006 |
| Indusia Design AS | Wholesale & retail | 2023 |
| Industriveien 10 AS | Wholesale & retail | 1997 |
| Industriveien 11 AS | Real estate | 2007 |
| Industriveien 17 Hagan AS | Wholesale & retail | 1931 |
| Industriveien 19 Hagan AS | Real estate | 2015 |
| Industriveien 24 AS | Real estate | 2019 |
| Industriveien 28 Eiendom Holding AS | Real estate | 2022 |
| Industriveien 5 Skytta AS | Real estate | 2016 |
| Industriveien 8 Skytta AS | Real estate | 2026 |
| Industriveien 9 Skytta AS | Real estate | 2017 |
| Industriveien Eiendom BHG AS | Education | 2007 |
| Industriveien Fus Barnehage AS | Education | 2018 |
| Inge S. Årstad Avd. Øst AS | Wholesale & retail | 2024 |
| Innovendra AS | Information & communication | 2026 |
| Interbev AS | Wholesale & retail | 1997 |
| Interkit AS | Wholesale & retail | 2009 |
| Interlog AS | Administrative & support | 2016 |
| Interweb Media AS | Information & communication | 2015 |
| Inventu AS | Professional & scientific | 2016 |
| Isenkram Handel AS | Wholesale & retail | 2023 |
| Ivar Schmidt AS | Wholesale & retail | 1974 |
| J.E.B Holding AS | | 2017 |