| Homborsund AS | Real estate | 2025 |
| Hommersåkveien 170 - 174 AS | Real estate | 1985 |
| Honey Boutique AS | Wholesale & retail | 1979 |
| Hood Holding AS | | 2024 |
| Horpestad Gartneri AS | Agriculture & fishing | 1997 |
| Horpestad Moen Hagebø Gruppen AS | Wholesale & retail | 1989 |
| Horpestad Plantesalg AS | Agriculture & fishing | 2002 |
| Horpestad Samdrift Da | Agriculture & fishing | 2001 |
| Hotell Jæren AS | Hospitality | 2019 |
| HS Parkett AS | Construction | 2024 |
| Hslarsen Holding AS | | 2025 |
| HTG AS | Administrative & support | 2018 |
| HTG Eiendom AS | Real estate | 2022 |
| Hubly AS | Information & communication | 2025 |
| Hulda Garborgs Veg 2 AS | Real estate | 2026 |
| Hvo Horpestad Holding AS | Agriculture & fishing | 2005 |
| Hygge Bryne AS | Wholesale & retail | 2019 |
| Håland Apotek AS | Wholesale & retail | 2019 |
| Håland Eiendom AS | Real estate | 1993 |
| Håland Gris AS | Agriculture & fishing | 2024 |
| Håland Investering AS | Real estate | 2012 |
| Hålandsvegen 26 AS | Real estate | 2017 |
| Hålandsvegen 33 AS | Real estate | 2019 |
| Hålandsvegen AS | Real estate | 2024 |
| Hålandsveien 35 AS | Real estate | 2007 |
| Håvard Bore AS | Wholesale & retail | 2019 |
| Høien-Igland Holding AS | | 2022 |
| Høitek AS | | 2013 |
| I Bjørnsen AS | Wholesale & retail | 1999 |
| I Molaug Holding AS | | 2023 |
| I.T. Heskje Invest AS | Financial services | 2011 |
| Ia Eiendom AS | Real estate | 2020 |
| Ib Consult AS | Professional & scientific | 2025 |
| Id Media AS | Information & communication | 2015 |
| Idestova AS | Wholesale & retail | 2000 |
| Ignos AS | Information & communication | 2021 |
| Ikm Industrigravøren AS | Manufacturing | 1998 |
| Ikm Subsea AS | Mining & quarrying | 2007 |
| Ikm Subsea Brasil Rov AS | Administrative & support | 2021 |
| Ikm Subsea Holding AS | Mining & quarrying | 2001 |
| Ikm Subsea Motor Solutions AS | Manufacturing | 2019 |
| Immotion AS | Professional & scientific | 2024 |
| Industria AS | Construction | 2014 |
| Industriteknikk Og Laser AS | Professional & scientific | 2020 |
| Industrivegen 2 Eiendom AS | Real estate | 2025 |
| Industrivegen 4 AS | Real estate | 2022 |
| Inetor Invest AS | Financial services | 2005 |
| Info Vest Forlag AS | Information & communication | 2018 |
| Inhabit Da | Real estate | 2005 |
| Inovapro AS | Wholesale & retail | 2014 |
| Inovapro Gruppen AS | Wholesale & retail | 2020 |
| Inspirasjon & Syglede AS | Wholesale & retail | 2012 |
| Integrity Heat AS | Professional & scientific | 2024 |
| Internasjonal-Mat-Bryne AS | Wholesale & retail | 2026 |
| Isi Holding AS | Real estate | 2008 |
| IT Lokasjonsdrift AS | Information & communication | 2016 |
| Ixys AS | Professional & scientific | 2014 |
| Ixys Eiendom AS | Real estate | 2022 |
| J S Service Jan Svela AS | Construction | 1999 |
| J&H Invest AS | | 2021 |
| J*S Transport Jan Svela AS | Transport & logistics | 2008 |
| Jaat Invest AS | Financial services | 2013 |
| Jaermec AS | Manufacturing | 2025 |
| Jama MT AS | | 2021 |
| Jamst Invest AS | Financial services | 2005 |
| Jan G Eide Eiendom AS | Real estate | 1986 |
| Janamonic AS | Construction | 2022 |
| Jani Trading AS | Hospitality | 2005 |
| Jarlene AS | Real estate | 2023 |
| JB Electro AS | Construction | 2008 |
| JB Iotec AS | Information & communication | 2018 |
| JB Maskinering AS | Manufacturing | 2001 |
| JB Okt Defence AS | Manufacturing | 2001 |
| JB Safe Diesel AS | Professional & scientific | 2012 |
| JB Well Performance AS | Professional & scientific | 2014 |
| JB Well Solutions AS | Manufacturing | 2010 |
| Je Aase AS | | 2024 |
| Jens Gerlach Sørensen AS | Construction | 2025 |
| Jens Gerlach Sørensen Eiendom AS | Real estate | 2003 |
| Jepser AS | Professional & scientific | 2026 |
| Jernbanegata Næringsbygg AS | Real estate | 2005 |
| Jerseymeieriet AS | | 2026 |
| Jet Investering AS | Real estate | 2017 |
| Jew Investering AS | Real estate | 2022 |
| Jiv Invest AS | | 2023 |
| JK Betongpumping AS | Transport & logistics | 2006 |
| JNP Eiendom 4 AS | Real estate | 2022 |
| Joakim Space AS | | 2026 |
| Jobbfolk AS | Administrative & support | 2011 |
| Jobo-Bryne AS | Real estate | 2008 |
| Jogr Holding AS | | 2025 |
| Johansen Elektriske AS | Construction | 1989 |
| Jom Trading AS | Wholesale & retail | 2021 |
| Joma Multiservice AS | Wholesale & retail | 2025 |
| Jordbærpikene Bryne AS | Hospitality | 2013 |
| Jors AS | | 2020 |
| Josmag AS | Financial services | 2016 |
| JS Eiendom & Holding AS | Real estate | 2005 |
| JS Maskin Jan Svela AS | Construction | 2022 |
| Jths AS | Information & communication | 2024 |