| Norevegen 26B AS | Real estate | 2010 |
| Norevegen 30 AS | Real estate | 2015 |
| Norevegen 6 AS | Real estate | 1999 |
| Norevegen Eiendom AS | Real estate | 2016 |
| Noreveien 28 AS | Real estate | 2006 |
| Norheim Eiendom AS | Real estate | 1997 |
| Norheim Karosseriverksted AS | Other services | 2026 |
| Norheim Lakkering AS | Other services | 1994 |
| Norheim Legesenter Da | Health & social care | 2003 |
| Norheim Næringsbygg AS | Real estate | 1998 |
| Norheim Næringseiendom AS | Real estate | 1999 |
| Norheim Taxi Ans | Transport & logistics | 2005 |
| Norheim VGS AS | Education | 2014 |
| Norheimsmarka 11 AS | Real estate | 2018 |
| Norheimsmarka 15 AS | Real estate | 2018 |
| Norheimsmarka Eiendom AS | Real estate | 2016 |
| Norsk Havvind AS | Energy | 2020 |
| Norsk Mat 365 AS | Wholesale & retail | 2025 |
| Nygaard Bad AS | Wholesale & retail | 2012 |
| O Aase Invest AS | Other services | 2020 |
| Oa Utvik AS | Wholesale & retail | 1996 |
| Oasen Blomster AS | Wholesale & retail | 1985 |
| Ojo Invest AS | Real estate | 2005 |
| Oktavo AS | Wholesale & retail | 2019 |
| Olaussens Metall AS | Manufacturing | 2006 |
| Older AS | | 2021 |
| Omega 365 Protek AS | Professional & scientific | 1998 |
| One Step Checkout AS | Information & communication | 2015 |
| Opplæringskontoret for Teknologifag På Haugalandet SA | Education | 2005 |
| Optiker Hedegaard, Karmsund AS | Wholesale & retail | 2002 |
| P-Hagen AS | Professional & scientific | 2013 |
| Peak Trading AS | Real estate | 2017 |
| Petrochem Norge AS | Wholesale & retail | 2010 |
| Pindsleveien 8 AS | Real estate | 2005 |
| Plan Invest AS | Real estate | 2004 |
| Pontos Marine AS | Transport & logistics | 1995 |
| Procon AS | Professional & scientific | 1991 |
| PROMO1 Haugesund AS | Wholesale & retail | 2016 |
| Protocall Clinical Research AS | Professional & scientific | 2026 |
| R Bakke AS | Professional & scientific | 2023 |
| R Eiendom & Vedlikehold AS | Administrative & support | 2021 |
| Rabagast Holding AS | | 2021 |
| Raglamyr Lager AS | Real estate | 2024 |
| Rico Gruppen Holding AS | Manufacturing | 2020 |
| Rico System AS | Manufacturing | 1994 |
| Rico System Norge AS | Manufacturing | 2026 |
| Risanger Bil AS | Wholesale & retail | 2012 |
| Risanger Eiendom AS | Real estate | 2016 |
| Risanger Eiendom I AS | Real estate | 2021 |
| Risanger Invest AS | Real estate | 2017 |
| Romnes Haugesund AS | Wholesale & retail | 2010 |
| Rov Remote AS | Professional & scientific | 2024 |
| RPS AS | Construction | 2024 |
| RTB Holding AS | Real estate | 2006 |
| Rthausken Holding AS | | 2021 |
| RTL Holding AS | | 2026 |
| Runskatt AS | | 2026 |
| Rush Haugesund AS | Arts & recreation | 2018 |
| Rørmester Kompaniet Rørfornying AS | Construction | 2023 |
| Sakkestad Invest AS | Real estate | 2005 |
| Sandeveien AS | Real estate | 2020 |
| Scoringsklubb AS | Information & communication | 2016 |
| Selsaas Holding AS | Health & social care | 2018 |
| SHF Bygg AS | Construction | 2015 |
| Skanfil Auksjoner AS | Wholesale & retail | 2012 |
| Skanfil for Samlere AS | Wholesale & retail | 2012 |
| Skanfil Holding AS | Wholesale & retail | 2012 |
| Skarpsinn Hau AS | Professional & scientific | 2019 |
| Skarpsinn Holding AS | Professional & scientific | 2013 |
| Skarpsinn SVG AS | Professional & scientific | 2015 |
| Skien Mote AS | Wholesale & retail | 2000 |
| Smartheat AS | Agriculture & fishing | 2014 |
| Smistad Invest AS | Construction | 2017 |
| Smistad Mur Og Flis AS | Construction | 2013 |
| Snarveien 1C AS | Real estate | 2013 |
| Snarveien Eiendom AS | Real estate | 2013 |
| Snik Finans AS | Wholesale & retail | 2010 |
| Soia Invest AS | Administrative & support | 2025 |
| Solidhus AS | Real estate | 2012 |
| Solvang Utleie AS | Real estate | 2008 |
| Spanne Blikk AS | Manufacturing | 1995 |
| Spanne Holding AS | Manufacturing | 2007 |
| Spanne Plantesalg AS | Agriculture & fishing | 2009 |
| Spannefix AS | Administrative & support | 2023 |
| Spektrum Frisør AS | Other services | 2005 |
| Startpunkt Consulting & Development Ans | Information & communication | 1999 |
| Sternhoff Eiendom AS | Real estate | 2007 |
| Stillaskompaniet AS | Wholesale & retail | 2021 |
| Storamyr 8 AS | Real estate | 2026 |
| Storøy Næringspark AS | Real estate | 1912 |
| Straa Oasen AS | Wholesale & retail | 2022 |
| Strømfors Hodling AS | | 2021 |
| Stålfruen AS | | 2020 |
| Støle Byggservice AS | Construction | 2014 |
| Stølsmyr 26 AS | Real estate | 2019 |
| Stølsmyr Eiendom AS | Real estate | 2020 |
| Sundvik AS | Real estate | 2005 |
| Surface Lab AS | Other services | 2022 |
| Sushi Åkra AS | Hospitality | 2025 |
| Sysco Eiendom AS | Real estate | 2013 |