| Spanskskolen Habla Espanol AS | Oslo | 2020 |
| Sparby Trafikkskole AS | Langhus | 2021 |
| Speak More AS | Oslo | 2022 |
| Speak Norsk AS | Oslo | 2018 |
| Speaklab AS | Bergen | 2011 |
| Spearo AS | Trondheim | 2016 |
| Speechdesigner AS | Kristiansand S | 2015 |
| Speed Trafikkopplæring AS | Horten | 2008 |
| Speedevent AS | Våler I Solør | 2016 |
| Speedup AS | Moelv | 2018 |
| Spergula AS | Tynset | 2020 |
| Spespedkonsult AS | Hyggen | 2021 |
| Spilder Holding AS | Sandefjord | 2005 |
| SPILLELOFTET ANS Yngve Olsen og Ola Heimstad | Sunde I Sunnhordland | 1989 |
| Spillet Norge Underholdningsarkitekten Ans | Kristiansand S | 2002 |
| Spillkompetent AS | Vettre | 2024 |
| Spinnville Hunder AS | Stord | 2020 |
| Spinoza AS | Fredrikstad | 1995 |
| Spinoza Training AS | Oslo | 2006 |
| Spir Data AS | Oslo | 2022 |
| Spir Oslo AS | Oslo | 1959 |
| Spire & Gro Barnehagene AS | Porsgrunn | 2016 |
| Spire & Gro Liane Barnehage AS | Porsgrunn | 2020 |
| Spire & Gro Melkeveien Barnehage AS | Porsgrunn | 2020 |
| Spire & Gro Rypevegen Barnehage AS | Porsgrunn | 2019 |
| Spire & Gro Skogtoppen Barnehage AS | Porsgrunn | 2020 |
| Spire Ernæring AS | Klæbu | 2014 |
| Spiren Barnehage Søgne 2 AS | Søgne | 2020 |
| Spiren Barnehage Søgne AS | Søgne | 2007 |
| Spiren Gardsbarnehage SA | Aurland | 1989 |
| Spiria AS | Lillehammer | 2019 |
| Spis Deg Fri AS | Oslo | 2018 |
| Spiss AS | Askim | 2024 |
| Splint AS | Kragerø | 2006 |
| Splitkein AS | Sjusjøen | 2019 |
| SPM Holding AS | Bjerka | 2023 |
| Spornes Gårdsbarnehage AS | Færvik | 2010 |
| Sporos Da | Oslo | 2020 |
| Sport Performance 2 AS | Charlottenlund | 2023 |
| Sport Performance AS | Charlottenlund | 2020 |
| SPORT4FUN AS | Lillestrøm | 2021 |
| Sports Connect AS | Oslo | 2024 |
| Sports-Ed Scandinavia Da | Steinkjer | 2007 |
| Sportsakademiet AS | Hell | 2017 |
| Sportsmag AS | Kristiansand S | 2014 |
| Sporty Trening AS | Spikkestad | 2014 |
| SPORTY60 AS | Lørenskog | 2022 |
| Sporvongane Barnehage AS | Lye | 2015 |
| Spot Van Holding AS | Heimdal | 2017 |
| Spotlight - Et Sted Å Bli Sett AS | Sandefjord | 2010 |
| Sprekker I Fasaden AS | Klepp Stasjon | 2021 |
| Spretten Familiebarnehage Ans | Biri | 1995 |
| Spretten Idrettsbarnehage AS | Sarpsborg | 1999 |
| Springboard AS | Kjeller | 2019 |
| Springkleiv Barnehage AS | Arendal | 2011 |
| Språkreisebyrået AS | Oslo | 1990 |
| Språkskolen Ciao AS | Oslo | 1997 |
| Språkskolen Russisk.No &Metodius Da | Oslo | 1995 |
| Språksmia AS | Valldal | 2002 |
| Språkviter Karine Stjernholm AS | Moss | 2023 |
| Spræk AS | Oslo | 2025 |
| SPT Norge AS | Stabekk | 2017 |
| Spødarbakken Barnehage SA | Bryne | 2004 |
| Squatina AS | Egersund | 2015 |
| SR Avl Og Sport AS | Våler I Østfold | 2020 |
| SR Kompetanse Da | Stavanger | 2017 |
| SR Smuk AS | Tana | 2018 |
| SR Stables Holding AS | Våler I Østfold | 2020 |
| Sshc AS | Harstad | 2008 |
| SSJ Trafikkskole AS | Sandnessjøen | 2025 |
| SSS Eiendom AS | Kjevik | 2006 |
| Ssu Norge AS | Trondheim | 2025 |
| St-Be Opplæring Og Utvikling AS | Kristiansund N | 2013 |
| ST. Hanshaugen 2 AS | Bergen | 2015 |
| ST. Olav Trafikkskole AS | Sarpsborg | 2015 |
| ST1 Kjøreskole AS | Flekkerøy | 2014 |
| Stabben Ungdom Ans | Florø | 1995 |
| Stabbursatelieret AS | Stadsbygd | 2025 |
| Stabil Helse AS | Oslo | 2021 |
| Stabil Helse Holding AS | Oslo | 2024 |
| Stabukken Gårdsbarnehage Ans | Averøy | 1997 |
| Stall Bergan Rideundervisning AS | Sandefjord | 2019 |
| Stall Bergsund AS | Hønefoss | 2005 |
| Stall Drotninggutua AS | Eggedal | 2021 |
| Stall Frisk Ans | Åkrehamn | 2023 |
| Stall HT Da | Kristiansand S | 2007 |
| Stall Malmin AS | Hønefoss | 2022 |
| Stall Sandvoll AS | Ski | 2022 |
| Stall T AS | Stavern | 2021 |
| Stall Tonheim AS | Gressvik | 2016 |
| Stall Valle AS | Bodø | 2012 |
| Stall Vest Sportshest AS | Hafrsfjord | 2006 |
| Stall Volhaugen AS | Verdal | 2024 |
| Stall Von Waibel AS | Nesodden | 2021 |
| Stalla Dorati AS | Vettre | 2017 |
| Stallen Barnehage SA | Oslo | 1985 |
| Stamhuset AS | Oslo | 2018 |
| Stamina Kurssenter AS | Oslo | 1994 |
| Stange Trafikkskole AS | Stange | 1986 |
| Stangeland Trafikkskole AS | Sola | 2013 |