| Ernestus Skilt Og Reklame AS | Manufacturing | 1987 |
| Eskatt AS | Professional & scientific | 2022 |
| Esp Holding AS | Real estate | 2004 |
| Esp Renseri AS | Other services | 1979 |
| Et Eiendom - Stjørdal AS | Real estate | 2015 |
| Evetro AS | Information & communication | 2017 |
| Evjen Drift AS | Other services | 2005 |
| Evjevegen 8 AS | Real estate | 2019 |
| Extra Leker Trondheim AS | Wholesale & retail | 2002 |
| Extra Optical AS | Wholesale & retail | 2012 |
| Eyestyle Da | Wholesale & retail | 2006 |
| Faadetpaa AS | Information & communication | 2017 |
| Festibites AS | Hospitality | 2023 |
| FG Projects AS | Professional & scientific | 2020 |
| Fidelis Regnskap AS | Professional & scientific | 2013 |
| Fiksdal AS | Real estate | 2016 |
| Finnanger Holding AS | | 2013 |
| Finseth Eiendom & Invest AS | Real estate | 2026 |
| Finseth Transport & Anlegg AS | Construction | 2012 |
| Finseth Transport Da | Transport & logistics | 2006 |
| Finsrud Holding AS | Real estate | 2008 |
| Finter AS | Information & communication | 2023 |
| Finter Holding AS | Information & communication | 2023 |
| Firmwarefabrikken AS | | 2025 |
| Fjernvarmeinstallasjon AS | Construction | 2013 |
| Fjærli Holding AS | Professional & scientific | 2013 |
| Flaatex AS | Manufacturing | 2018 |
| Flåhammer Holding AS | Financial services | 2015 |
| Fokus Legesenter AS | Health & social care | 2020 |
| Foliert AS | Professional & scientific | 2023 |
| Foran Holding AS | | 2022 |
| Forberg Kapital AS | | 2022 |
| Fossland Holding AS | | 2023 |
| Fourc AS | Information & communication | 2013 |
| Fox Grill AS | Hospitality | 2006 |
| Fredrik Nilssen AS | Administrative & support | 2011 |
| Fremmed Rase Da | Arts & recreation | 2007 |
| Friluftsmagasinet Trondheim AS | Wholesale & retail | 2008 |
| Friskgården Trondheim AS | Education | 2009 |
| Frode Holding AS | Wholesale & retail | 2023 |
| Frode Sørgård AS | Wholesale & retail | 2004 |
| Frøya Trøya AS | Manufacturing | 2024 |
| Fundamentering AS | Construction | 1998 |
| Funksjonellmedisinsk Klinikk AS | Health & social care | 2019 |
| Fusu Holding AS | | 2021 |
| Frisør Krogdahl A/S | Other services | 1988 |
| Gammel-Lina 57A AS | Real estate | 2019 |
| Gangstad Boligutvikling AS | Real estate | 2022 |
| Gangstad Eiendom AS | Real estate | 2019 |
| Gard Catering AS | Hospitality | 2006 |
| Gaute Fabrikkutsalg AS | Wholesale & retail | 2006 |
| Genc Media AS | Information & communication | 2012 |
| Geonordic Holding AS | | 2024 |
| Geored Holding AS | | 2024 |
| Geosafe AS | Wholesale & retail | 2024 |
| Geosafe Holding AS | Wholesale & retail | 2024 |
| Geosenteret AS | Real estate | 2012 |
| Gia Invest AS | Real estate | 2000 |
| Glajo Holding AS | Construction | 2020 |
| Glassbygg AS | Manufacturing | 2007 |
| GLASSMESTER1 K.Larsen AS | Construction | 2018 |
| GLH Trondheim AS | Wholesale & retail | 2016 |
| Glitretind AS | Wholesale & retail | 2005 |
| Glöd AS | Real estate | 2015 |
| GNG AS | Professional & scientific | 2024 |
| Gobiss AS | Wholesale & retail | 2005 |
| Golfers Club AS | Wholesale & retail | 2025 |
| Gridlogic AS | Professional & scientific | 2026 |
| Grønøra Eiendom AS | Real estate | 1996 |
| Gungne Invest AS | Real estate | 2019 |
| Gunnar Vollset AS | Real estate | 1966 |
| Gymsport AS | Wholesale & retail | 2021 |
| H Olsen Holding AS | Real estate | 2021 |
| H Olsen Sveberg AS | Real estate | 2018 |
| H. B. Lysholm AS | Transport & logistics | 2018 |
| H. Olsen Eiendom AS | Real estate | 1975 |
| H.H Utleie AS | Administrative & support | 2014 |
| H.S.B Holding AS | | 2026 |
| Haakon Vii GT AS | Real estate | 2019 |
| Haakon Vii's Gate 11 AS | Real estate | 2005 |
| Haarberg & Larssen Eiendom AS | Real estate | 1936 |
| Haarsaker Service AS | Manufacturing | 2012 |
| Habo Norge AS | Wholesale & retail | 1998 |
| Hadak AS | Construction | 1991 |
| Hagnes Gass Og Varme AS | Construction | 2024 |
| Halsen Holding AS | | 2021 |
| Hamneveien 18 AS | Real estate | 2022 |
| Hanne BH Holding AS | | 2025 |
| Haralds VVS AS | Construction | 1998 |
| Harlem Bygg AS | Construction | 2020 |
| Hatran AS | Wholesale & retail | 2024 |
| Haucon Nord AS | Wholesale & retail | 2006 |
| Havrebarna AS | Information & communication | 2021 |
| Hawe Holding AS | | 2023 |
| Hearing Aid Support AS | Health & social care | 2022 |
| Heart Mentality AS | Education | 2021 |
| Heatexp AS | Wholesale & retail | 2016 |
| Hegdal Consulting AS | Professional & scientific | 2014 |
| Heimdal Reklame AS | Professional & scientific | 2025 |
| Helgemo VVS AS | Construction | 1980 |