| 3XB Eiendom AS | Real estate | 2020 |
| Abi 3 Oasen Næringsgård AS | Real estate | 2011 |
| Adoks AS | Administrative & support | 1995 |
| Adoks Eiendom AS | Real estate | 1996 |
| Aj Sørbø Forretningsbygg AS | Real estate | 2026 |
| Aj Sørbø Holding AS | | 2026 |
| Ajour Data Ans | Information & communication | 1996 |
| Ajour Data AS | Information & communication | 1998 |
| Ako Invest AS | Real estate | 2017 |
| Aksdal Vest AS | Real estate | 2019 |
| Alpha Gym AS | Arts & recreation | 2021 |
| Amundsen Spesial Oasen AS | Wholesale & retail | 2011 |
| Anita Hovda Hans Kaald AS | Wholesale & retail | 1998 |
| Arealutvikling Holding AS | Real estate | 1997 |
| Argo Arbeid AS | Administrative & support | 2022 |
| Argo Eiendom AS | Real estate | 2026 |
| AS Ersco | Professional & scientific | 1984 |
| Asse Holding AS | Financial services | 2006 |
| Austbøveien Eiendom AS | Real estate | 2011 |
| Auto Utvik AS | Wholesale & retail | 2008 |
| Axcel AS | Professional & scientific | 2018 |
| Axcel Holding AS | Professional & scientific | 2015 |
| Baderomsoutlet AS | Wholesale & retail | 2022 |
| Banesupply & Vedlikehold AS | Construction | 2010 |
| Bbe Mote AS | Wholesale & retail | 2006 |
| Bgi Invest Da | Administrative & support | 2007 |
| Bilpleiesenteret Haugesund AS | Other services | 2018 |
| Bjørn Utseth Invest AS | Agriculture & fishing | 2005 |
| Bmck AS | Real estate | 2018 |
| Bo Andren Norge AS | Construction | 1993 |
| Boardgame Harbor AS | Manufacturing | 2024 |
| Borgeskogen 26-28 AS | Real estate | 2006 |
| Borgeskogen 3 AS | Real estate | 2015 |
| Borgeskogen 30 AS | Real estate | 2009 |
| Borgeskogen 37 AS | Real estate | 1998 |
| Borgeskogen 47 AS | Real estate | 2014 |
| Burger Haugesund AS | Hospitality | 2024 |
| Bømlo Hus Avd. Haugesund AS | Construction | 2014 |
| Carfix Haugesund AS | Other services | 2009 |
| Claire Kids AS | Wholesale & retail | 2022 |
| Cog Offshore AS | Transport & logistics | 2010 |
| Condor Oasen AS | Wholesale & retail | 2020 |
| Craze Streetwear AS | Wholesale & retail | 2020 |
| Cuisine AS | Wholesale & retail | 2021 |
| D.A.R. Bygg AS | Construction | 2019 |
| Danielsen Ungdomsskole Haugalandet AS | Education | 2011 |
| Dermaspa.No AS | Wholesale & retail | 2025 |
| Ditt V Og Vel AS | Other services | 2015 |
| Dommersnes Og Larsen AS | Construction | 1996 |
| Dynamikk Invest AS | | 2024 |
| Døvleveien 41 AS | Real estate | 2007 |
| Eiwa AS | Construction | 2020 |
| Eiwa Energy AS | Construction | 2023 |
| Eiwa Multiservice AS | Construction | 2022 |
| Element Gruppen AS | Real estate | 2021 |
| Elveveien 36 AS | Real estate | 2012 |
| Emørch Holding AS | | 2021 |
| Er Handel AS | Wholesale & retail | 2021 |
| Fach-Bud Adam Weolowski | Construction | 2005 |
| Familion AS | | 2026 |
| Filtoria AS | Wholesale & retail | 2023 |
| Fjord Bridge Investment AS | Real estate | 2025 |
| Fnugg Frisør AS | Other services | 2024 |
| Foss Trafikkskole AS | Education | 2019 |
| Fracom Eiendom AS | Real estate | 1988 |
| Frakkagjerdvegen Bolig AS | Real estate | 2018 |
| Frama Holding AS | | 2005 |
| Frode Opheim AS | | 2022 |
| Færaas Eiendom AS | Construction | 2005 |
| Færaas Holding AS | Construction | 2005 |
| Færaas Invest AS | | 2025 |
| Førre Marketing AS | Wholesale & retail | 2023 |
| G-S Invest AS | Financial services | 2012 |
| Gamarin AS | Real estate | 2009 |
| Gowen AS | Wholesale & retail | 2024 |
| Green Tracker AS | Information & communication | 2007 |
| Gudmundsen Eiendom AS | Real estate | 1998 |
| Gudmundsen Lakkering AS | Other services | 2016 |
| H Skree AS | Professional & scientific | 2019 |
| Halvorsen Og Fjetland AS | Administrative & support | 2026 |
| Hans Sandvold AS | Agriculture & fishing | 2011 |
| Hantho Invest AS | | 2022 |
| Hantho Investering AS | | 2023 |
| Haraldsgaten 138 AS | Real estate | 2014 |
| Haugaland Bilsenter AS | Wholesale & retail | 1991 |
| Haugaland Boligutleie AS | Real estate | 2017 |
| Haugaland Eiendom AS | Real estate | 1996 |
| Haugaland Elektro AS | Construction | 2025 |
| Haugaland Holding AS | | 2025 |
| Haugaland Hus Eiendom AS | Real estate | 2023 |
| Haugaland Medisinske Senter AS | Health & social care | 2019 |
| Haugaland Mur & Flis AS | Construction | 2023 |
| Haugaland Storkjøkkensenter AS | Wholesale & retail | 2011 |
| Haugesund Bilverksted II AS | Other services | 2025 |
| Haugesund Padel AS | Arts & recreation | 2020 |
| Haugesund Takservice AS | Construction | 2004 |
| HBV AS | | 2025 |
| Heas Holding AS | Real estate | 1990 |
| Hebnes Apartments AS | Real estate | 2024 |
| Hekla Tannregulering AS | Health & social care | 2014 |