| Steen Eiendom AS | Hospitality | 1993 |
| Steen-Hansen Holding AS | | 2023 |
| Steens Hotel AS | Hospitality | 2005 |
| Steensen Holding AS | | 2022 |
| Steep Miles AS | Wholesale & retail | 2026 |
| Steeps Ahead Ans | | 1989 |
| Stefano Holding & Managment AS | Professional & scientific | 2025 |
| Steffa Invest AS | Real estate | 2002 |
| Steffaguttene Eiendomsselskap AS | Real estate | 1996 |
| Steg Løpetrening AS | Education | 2024 |
| Stein-Erik Greve-Løberg AS | Real estate | 2005 |
| Steinar Aagesen AS | Real estate | 2005 |
| Steinar Hindenes Design AS | Professional & scientific | 1998 |
| Steinbakk AS | Professional & scientific | 2004 |
| Steinbakk Eiendom AS | Real estate | 1994 |
| Steinbakk Holding AS | Real estate | 2005 |
| Steinbakk Revisjon AS | Professional & scientific | 2009 |
| Steinkjellegaten 3 AS | Real estate | 2016 |
| Steinkjelleren Restaurant Da | Hospitality | 2000 |
| Steinkjellergaten AS | Hospitality | 2023 |
| Steinro Invest AS | Financial services | 2006 |
| Steinsdalsvegen 176 AS | Real estate | 2018 |
| Steinsland Holding AS | | 2017 |
| Steinsviken Bolig AS | Real estate | 2015 |
| Steinsvikskrenten 11 AS | Real estate | 2021 |
| Steinsvikvegen 274 AS | Real estate | 2015 |
| Stel Eiendom A/S | Construction | 2008 |
| Stella Management AS | Real estate | 2005 |
| Stemmeklinikken AS | Health & social care | 2025 |
| Stemmelogopedi AS | Health & social care | 2015 |
| Stemmoka AS | Professional & scientific | 2000 |
| Stene Audio AS | Arts & recreation | 2024 |
| Stene Matglede AS | Hospitality | 2023 |
| Stenersen Crewing AS | Transport & logistics | 2010 |
| Stenersen Media AS | Professional & scientific | 2025 |
| Stenersen Shipsinvest AS | Transport & logistics | 1998 |
| Stenoil AS | Transport & logistics | 2001 |
| Stenoil KS | Transport & logistics | 2001 |
| Stenship AS | Transport & logistics | 2005 |
| Stenship KS | Transport & logistics | 2005 |
| Stensnes Fysioterapi Da | Health & social care | 2023 |
| Stenstraum AS | Transport & logistics | 2020 |
| Stenstraum Shipping AS | Transport & logistics | 1998 |
| Stentank AS | Transport & logistics | 1996 |
| Step in Dansestudio AS | Education | 2006 |
| Stephansen Holding AS | Real estate | 2014 |
| Stereo Bergen AS | Hospitality | 2017 |
| Stereofish Da | Arts & recreation | 2002 |
| Stetind Vertical Holding AS | Financial services | 2014 |
| Stian L Invest AS | Financial services | 2008 |
| Stian Tveit Invest AS | Real estate | 2019 |
| Stiegler Advokatfirma AS | Professional & scientific | 2017 |
| Stig Berge Matthiesen AS | Education | 2012 |
| Stig Paa AS | Wholesale & retail | 2026 |
| Stijl Design 303 AS | Wholesale & retail | 2003 |
| Stikkeline AS | Professional & scientific | 2023 |
| Stilii AS | Professional & scientific | 2023 |
| Still Tekk AS | Construction | 2002 |
| Stillbekk AS | | 2025 |
| Stine Foss Berg Holding AS | | 2021 |
| Sting Søm Og Design Ans | Arts & recreation | 1995 |
| Stix Invest AS | Information & communication | 2012 |
| Stix Utvikling AS | Information & communication | 2012 |
| Stjernestøv Invest AS | Financial services | 2015 |
| Stockholm Lighting Norge AS | Wholesale & retail | 2013 |
| Stockrisk AS | Information & communication | 2021 |
| Stoehrsson AS | Professional & scientific | 2022 |
| Stola AS | Real estate | 2018 |
| Stolpehuset Terapirom AS | Health & social care | 2023 |
| Stoltzen Invest AS | | 2024 |
| Storaneset 12 AS | Real estate | 2000 |
| Storaneset 32 AS | Real estate | 2011 |
| Storaneset Eiendom AS | Real estate | 2018 |
| Storanger AS | Real estate | 2003 |
| Storbergen Boligutleie AS | Real estate | 1995 |
| Storbergen Holding AS | Real estate | 2015 |
| Storbergen Vaktmestertjenester AS | Administrative & support | 2023 |
| Storbotn 110 AS | Real estate | 2001 |
| Stord Havbrukspark AS | Real estate | 2009 |
| Stordal AS | Wholesale & retail | 2024 |
| Stordal Dagligvare AS | Wholesale & retail | 2013 |
| Storebotn 74B AS | Real estate | 2021 |
| Storebotn Næringsbygg 14 AS | Real estate | 2022 |
| Storebotn Næringsbygg 15 AS | Real estate | 2022 |
| Storedraumen Games AS | Manufacturing | 2024 |
| Storemyra 231 AS | Real estate | 2018 |
| Storemyra 233 AS | Real estate | 2023 |
| Storetvedt Regnskapsbyrå AS | Professional & scientific | 1989 |
| Storetveithagen Bolig AS | Real estate | 2017 |
| Storetveitvegen 32 AS | Real estate | 2024 |
| Storetveitvegen 56 AS | Real estate | 2020 |
| Storetveitveien 20 AS | Real estate | 2012 |
| Storholmen Askøy AS | Real estate | 2018 |
| Storkiosk 4402 Engen Ans | Wholesale & retail | 2003 |
| Storkiosk 6075 Ladegård Ans | Wholesale & retail | 2003 |
| Storli Hoel & Magnussen AS | Real estate | 2016 |
| Storm Eiendom AS | Real estate | 1998 |
| Stormer Investments AS | Agriculture & fishing | 2019 |
| Stormgeo AS | Professional & scientific | 1997 |
| Stormsgt 6 AS | Real estate | 2005 |