| Rigmec AS | Administrative & support | 2012 |
| Rigmor Invest AS | | 2022 |
| Riko Holding AS | Professional & scientific | 2005 |
| Ring Digital AS | Professional & scientific | 2016 |
| RING13 AS | Real estate | 2016 |
| Ringdal Holding AS | | 2018 |
| Rios Premier AS | Wholesale & retail | 2016 |
| Ripl AS | Professional & scientific | 2020 |
| Riseklanen AS | Education | 2019 |
| Risikonsulenten AS | Professional & scientific | 2017 |
| Rito Invest AS | | 2014 |
| Rivi AS | Construction | 2014 |
| Rizzi Fix AS | Wholesale & retail | 2018 |
| Rke Holding AS | | 2024 |
| Rkhaland Holding AS | Real estate | 2022 |
| Rkleppa Holding AS | | 2019 |
| RM Consultants AS | Mining & quarrying | 2014 |
| RM Skjæveland AS | Real estate | 2005 |
| RM Venture AS | Manufacturing | 2024 |
| RND Invest AS | Financial services | 2013 |
| Rni Invest AS | Financial services | 2016 |
| Ro Eiendom AS | Real estate | 2026 |
| Rob AS | Construction | 2015 |
| Robert & Robert Service AS | Construction | 2012 |
| Robotvegen 32 S9 AS | Real estate | 2025 |
| Roboxi Investment Vehicle AS | | 2025 |
| Robust Sandnes AS | Education | 2021 |
| Rock Physics Associates Ltd | Professional & scientific | 2002 |
| Rock Well Consultants AS | Professional & scientific | 2021 |
| Rod Holding AS | | 2020 |
| Rodcon AS | Professional & scientific | 2020 |
| Rogaland Assistanse AS | Transport & logistics | 2003 |
| Rogaland Auto AS | Other services | 2016 |
| Rogaland Bil AS | Wholesale & retail | 2025 |
| Rogaland Bilformidling AS | Wholesale & retail | 2022 |
| Rogaland Bilutleie AS | Administrative & support | 2020 |
| Rogaland Bilverksted AS | Other services | 2003 |
| Rogaland Boligutleie AS | Financial services | 2005 |
| Rogaland Gass AS | Professional & scientific | 2019 |
| Rogaland Gjenvinning AS | Water & waste | 2017 |
| Rogaland Kebab 3 AS | Hospitality | 2022 |
| Rogaland Kjøkkensenter AS | Wholesale & retail | 2026 |
| Rogaland Kulde AS | Construction | 1999 |
| Rogaland Montasje AS | Construction | 2022 |
| Rogaland Palleservice AS | Wholesale & retail | 2022 |
| Rogaland Portservice AS | Wholesale & retail | 1990 |
| Rogaland Prosjekt & Design AS | Wholesale & retail | 2024 |
| Rogaland Prosjekt & Design Prosjektavdeling AS | Professional & scientific | 2025 |
| Rogaland Sparebank | Financial services | 1875 |
| Rogaland Sparebank Boligkreditt AS | Financial services | 2008 |
| Rogaland Tak AS | Construction | 2015 |
| Rogaland Tørrisblåsing AS | Administrative & support | 2023 |
| Rogaland Vask AS | Administrative & support | 2024 |
| Roger Consulting AS | Professional & scientific | 2014 |
| Roger Sushi AS | Real estate | 2011 |
| Roger Tekniske AS | Professional & scientific | 2014 |
| Rogh Invest AS | Real estate | 2008 |
| Rolv AS | Real estate | 2015 |
| Rolycom Group AS | Administrative & support | 2012 |
| Romanialis Holding AS | | 2025 |
| Romnes Rogaland AS | Wholesale & retail | 2006 |
| Ron Voyage AS | Real estate | 2005 |
| Ronhus Holding AS | | 2020 |
| Roqc Data Management AS | Professional & scientific | 2003 |
| Ros Eiendom AS | Real estate | 2020 |
| Rosanes Eiendom AS | Real estate | 2020 |
| Rosh Invest AS | | 2019 |
| Rossland Invest AS | Professional & scientific | 2008 |
| Rostrup Holding AS | | 2021 |
| Rostrup Og Thuv Glasservice Ans | Education | 2000 |
| Rostrup Te, Kaffe & Sjokolade AS | Wholesale & retail | 2004 |
| Rotho Blaas Norge AS | Manufacturing | 2025 |
| Rovik Brygge a AS | Real estate | 2021 |
| Rovik Brygge B AS | Real estate | 2021 |
| Rovik Brygge B2 AS | Real estate | 2021 |
| Rovik Brygge C AS | Real estate | 2021 |
| Rovik Brygge Holding AS | Real estate | 2021 |
| Rovik Bygg AS | Construction | 2023 |
| Rovik Eiendom AS | Professional & scientific | 1996 |
| Rovik Holding AS | | 2014 |
| Rovik Og Andersen Mur Da | Construction | 1994 |
| Rovik Strusshamn Holding AS | | 2025 |
| RPF Fashion AS | Professional & scientific | 2026 |
| RS Bygg AS | Construction | 2023 |
| RS Management AS | Professional & scientific | 2008 |
| RSM Fasade AS | Construction | 2013 |
| Rsoft AS | Information & communication | 2002 |
| RT Sykkel Og Fritid AS | Wholesale & retail | 1999 |
| Rte Oil and Gas Services Ltd | Professional & scientific | 2016 |
| Rtinvention AS | | 2026 |
| Rubecula AS | Real estate | 2009 |
| Rubedo AS | | 2022 |
| Rullestein AS | Financial services | 2008 |
| Rundereim AS | | 2024 |
| Rundhaug Eiendom AS | Real estate | 2021 |
| Rune Og Bo Byggservice AS | Construction | 2025 |
| Rune Vassbø AS | Construction | 2026 |
| Runfest AS | Arts & recreation | 2025 |
| Runintakt AS | | 2025 |
| Runster AS | Administrative & support | 2024 |