| Stilrent Holding AS | Haugesund | 2023 |
| Stilsnekker'N AS | Rasta | 2023 |
| Stin Bil AS | Ringebu | 2022 |
| Stinako D.O.O | Oslo | 2011 |
| Stiramo Bygg AS | Hyggen | 2021 |
| Stitho Eiendom AS | Gurskøy | 2007 |
| Stiv Rør Servicetjenester AS | Oslo | 2014 |
| STJ Bygg AS | Steinsland | 2018 |
| Stjern AS | Åfjord | 2019 |
| Stjern Entreprenør AS | Åfjord | 2019 |
| Stjern Multiservice AS | Åfjord | 2026 |
| Stjerne Bygg AS | Sogndal | 1988 |
| Stjernerør Og Bygg AS | Drammen | 2017 |
| Stjomo AS | Alta | 2022 |
| Stjørdal Betongservice AS | Hell | 2021 |
| Stjørdal Elektro AS | Stjørdal | 2026 |
| Stjørdal Hus & Hageservice AS | Skatval | 2018 |
| Stjørdal Maskindrift AS | Stjørdal | 2024 |
| Stjørdal Multiservice AS | Stjørdal | 2024 |
| Stjørdal Rørleggerservice AS | Stjørdal | 2003 |
| Stjørnfjell AS | Råkvåg | 2025 |
| STK Service AS | Sandefjord | 2022 |
| Stkr Invest AS | Forsand | 2019 |
| STM AS | Os | 2021 |
| STM Design AB | Se-589 41 Linköping | 2008 |
| Stoa Elektronikk AS | Fevik | 2008 |
| Stobbe Bygg AS | Årnes | 2022 |
| Stockbro Montage AB Nuf | Se-70383 Örebro | 2026 |
| Stoffer Retail Solution | Dk-8600 Silkeborg | 2015 |
| Stofix AS | Oslo | 2014 |
| Stokk & Sten Utemiljø AS | Skjeberg | 2017 |
| Stokka Bygg AS | Nærbø | 2001 |
| Stokka Eiendom & Bygg AS | Nærbø | 2005 |
| Stokka Maskinservice AS | Hommersåk | 2018 |
| Stokka Ventilasjonsrens Da | Haugesund | 2024 |
| Stokkan Elektro AS | Paradis | 2025 |
| Stokke Bygg AS | Stokke | 2010 |
| Stokke Graveservice AS | Ørsta | 2020 |
| Stokke Maskin AS | Sæbø | 2008 |
| Stokke Rørhandel AS | Stokke | 1988 |
| Stokke Takst- Og Byggservice AS | Husbysjøen | 2018 |
| Stokkebø Maskin AS | Vangsnes | 2012 |
| Stokkeland Elektro AS | Mosby | 2000 |
| Stokkeland Multi Service AS | Vestnes | 2022 |
| Stokkeland Traktordrift Da | Vestnes | 2005 |
| Stokkeland VVS AS | Nodeland | 2023 |
| Stokkenes Holding AS | Bødalen | 2025 |
| Stokkgjerdsvegen 8-20 SA | Melhus | 2022 |
| Stokkis Holding AS | Nodeland | 2023 |
| Stokkvågen Maskin Og Transport AS | Stokkvågen | 2021 |
| Stokland Bygg AS | Kvernaland | 2020 |
| Stokmann & Co AS | Lunner | 2026 |
| Stokmarknes Byggrenovering AS | Stokmarknes | 2020 |
| Stokstad Bygg AS | Otta | 1998 |
| Stole AS | Oslo | 2013 |
| Stolpereis AS | Vassenden | 2019 |
| Stolsen Bygg AS | Strusshamn | 2024 |
| Stolt Bolig AS | Sandnes | 2010 |
| Stolt Byggmester AS | Alversund | 2020 |
| Stolt Elektro AS | Skui | 2017 |
| Stolt Rebygg AS | Sandnes | 2016 |
| Stoltenberg & Rossing AS | Vinterbro | 1988 |
| Stoltz Entreprenør AS | Laksevåg | 1998 |
| Stoltz Rehab AS | Laksevåg | 2020 |
| Stoltz Riving & Miljøsanering AS | Laksevåg | 2020 |
| Stolze Agro International B.V. | 2676Lj Maasdijk | 2010 |
| Stomas AS | Stord | 2002 |
| Stomas Holding AS | Stord | 2014 |
| Stomix AS | Hvalstad | 2017 |
| Stone Freighters Norway Limited Nuf | Stokke | 2024 |
| Stonea AS | Stokke | 2022 |
| Stones Mur Og Flis AS | Bjørndalstræ | 2024 |
| Stooka AS | Sogndal | 2022 |
| Stopa Anlagenbau GmbH | De-77855 Acern-Gamshurst | 2017 |
| Stopdigging Innlandet AS | Brumunddal | 2020 |
| Stople Maskin AS | Sandeid | 2012 |
| Stoplight Elektro Og Bygningstekniske Installasjoner AS | Oslo | 2004 |
| Stor Bergen Mur Og Flis AS | Nesttun | 2003 |
| Stor-Elvdal Eiendomsutvikling AS | Koppang | 2019 |
| Stor-Oslo Grunnentreprise AS | Oslo | 2010 |
| Stor-Oslo Gulvbelegg & Tapet AS | Oslo | 2024 |
| Stor-Oslo Rørleggerservice AS | Oslo | 2024 |
| Stor-Oslo VVS AS | Hvam | 2020 |
| Storaas VVS AS | Bekkestua | 2026 |
| Storaneset 33 AS | Garnes | 2011 |
| Storatjänst AB Nuf | Se-462 52 Vänersborg | 2025 |
| Storbakken Håndverkservice AS | Fjerdingby | 2016 |
| Storbergen Rørleggerservice AS | Paradis | 2017 |
| Storbohus AS | Skedsmokorset | 2019 |
| Storbonden Holding AS | Vanse | 2021 |
| Storbråten AS | Oslo | 2019 |
| Storbråten Boligbygg AS | Oslo | 2019 |
| Storbråten Holding AS | Oslo | 2013 |
| Storbukås Betong AS | Drangedal | 2012 |
| Stord Anlegg AS | Stord | 2005 |
| Stord Maskin Invest AS | Stord | 2006 |
| Stord Mobilkran AS | Sagvåg | 1985 |
| Stord Totalbygg AS | Sagvåg | 2023 |
| Stordahl Elektro AS | Stadsbygd | 2021 |
| Stordahls Ventilasjon AS | Askim | 2025 |