| Stones Climatech Ivs | 4200 Slagelse | 2015 |
| Stones Consult Aps | Dk-4100 Ringsted | 2012 |
| Stono Invest AS | Oslo | 2020 |
| Stono Utemiljø AS | Oslo | 2020 |
| Stopp Tagging AS | Oslo | 2004 |
| Stor Holding AS | Ranheim | 2019 |
| Stor Oslo Kran & Montasje AS | Slependen | 2022 |
| Stor Oslo Vedlikeholdsservice AS | Oslo | 2008 |
| Stor-Re Consulting AS | Tjøme | 2013 |
| Storbergen Vaktmestertjenester AS | Bergen | 2023 |
| Storbilvasken Norge AS | Ingeberg | 2020 |
| Storbogen AS | Sarpsborg | 2020 |
| Stord Agent AS | Stord | 2022 |
| Stord Bilutleige AS | Stord | 1984 |
| Stord Innkvartering AS | Stord | 1996 |
| Stord Marineservice AS | Sagvåg | 2024 |
| Stord Mooring Crewing AS | Stord | 2022 |
| Stord Reinhald AS | Stord | 2019 |
| Store Norske Gruve 3 AS | Longyearbyen | 2015 |
| Storebotn 98-13 AS | Kleppestø | 2025 |
| Storebrand & SPP Business Services Norge Nuf | Lysaker | 2016 |
| Storemyrtoppen AS | Birkeland | 2023 |
| Storgata Kontordrift AS | Sandefjord | 2018 |
| Storhaug Von Rappe AS | Lesja | 2014 |
| Storheia Arena Drift AS | Stokmarknes | 2023 |
| Stork Hageservice AS | Ski | 2022 |
| Stork Holding AS | Ski | 2019 |
| Stork Maskin AS | Oslo | 2020 |
| Storkleiven AS | Bekkestua | 1990 |
| Storlid Drift Ans | Tysse | 2025 |
| Storm Adventures AS | Gjøvik | 2020 |
| Storm Adventures Holding AS | Gjøvik | 2020 |
| Storm Assets AS | Saksvik | 2022 |
| Storm at Stad AS | Måløy | 2014 |
| Storm Enterteinment Vestnes AS | Tomrefjord | 2024 |
| Storm Event Nord AS | Longyearbyen | 2006 |
| Storm Kompetanse AS | Oslo | 2004 |
| Storm Renhold AS | Oslo | 2013 |
| Storm Services AS | Saksvik | 2025 |
| Stormax Holding AS | Skien | 2007 |
| Stormchasers AS | Skrova | 1995 |
| Stormline Adventures AS | Oslo | 2026 |
| Stormoen Multiservice AS | Ingeberg | 2026 |
| Stormsteg AS | Rørvik | 2025 |
| Stormtone AS | Hundvin | 2026 |
| Stornes Skip AS | Inderøy | 1984 |
| Storrinden 117 A&B AS | Nesttun | 2026 |
| Storseil Ans | Steinsland | 2000 |
| Storsjøsenteret Åkrestrømmen AS | Rendalen | 2010 |
| Storskjerm Vest AS | Førde | 2023 |
| Storslett Invest AS | Tromsø | 2021 |
| Storslett Service AS | Sørvågen | 2014 |
| Storslått Eiendom AS | Oslo | 2012 |
| Storstraumen Adventure AS | Burfjord | 2018 |
| Storsunde AS | Oslo | 2024 |
| Stortorgnes Fritidsopplevelser AS | Kristiansand S | 2023 |
| Storum Stillas AS | Kokstad | 2006 |
| Storvik S.R.O. | Sunndalsøra | 2007 |
| Storvoll Maskin AS | Jaren | 2025 |
| Story Travel AS | Oslo | 2022 |
| Stovner Renhold AS | Oslo | 2016 |
| Stovni AS | Mo I Rana | 2024 |
| STP AS | Stavanger | 2023 |
| Strand Autoservice AS | Tau | 2013 |
| Strand Kulturproduksjon Da | Moldjord | 2023 |
| Strand Maskinutleie AS | Jørpeland | 2008 |
| Strand Renholdservice Ans | Jørpeland | 2005 |
| Strand Sea Service AS | Ålesund | 1977 |
| Strand Teltutleie AS | Tau | 2025 |
| Strand Vinduspuss AS | Jørpeland | 2012 |
| Stranda Eiendomsservice AS | Lillesand | 2014 |
| Stranda Event AS | Stranda | 2017 |
| Strandholmen Invest AS | Namsos | 2005 |
| Strandman AS | Stokke | 1995 |
| Strandnes Holding AS | Bodø | 2017 |
| Strands Utleie AS | Grålum | 2022 |
| Strandservice AS | Skoganvarre | 2016 |
| Strandvik Butikkdrift Holding AS | Fyllingsdalen | 2023 |
| Strategy AS | Porsgrunn | 2005 |
| Strauman Multiservice AS | Kleppstad | 2025 |
| Straume Drift Og Utvikling AS | Rysstad | 2021 |
| Straume Forum Facility AS | Straume | 2015 |
| Straume Investering AS | Hyen | 2021 |
| Straume Maskinutleige AS | Hyen | 2021 |
| Straumfjord AS | Austafjord | 2021 |
| Straumfjordnes Maskin Service Ans | Storslett | 2004 |
| Straumsøy Maskin AS | Skare | 2022 |
| Strawberry Advisory AS | Oslo | 2016 |
| Strawberry Art & Design AS | Oslo | 2006 |
| Strawberry Club AS | Oslo | 2023 |
| Strawberry House of Brands AS | Oslo | 2022 |
| Strawberry Luxury AS | Oslo | 2023 |
| Strax Facility Services AS | Nesnastranda | 2012 |
| Strax Renhold AS | Oslo | 2015 |
| Street Food Skandinavia AS | Holmestrand | 2023 |
| Streetz Auto AS | Oslo | 2026 |
| Streetz Auto Rental AS | Oslo | 2026 |
| Streken Service Og Vedlikehold AS | Fredrikstad | 2020 |
| Strengen Event AS | Lunde | 2012 |
| Stretch Danmark Aps | 1208 København K | 2015 |