| Sundet Services AS | Frekhaug | 2024 |
| Sundfør Holding AS | Vormedal | 2005 |
| Sundmed AS | Storebø | 2023 |
| Sundset Maskin AS | Klæbu | 2021 |
| Sunkost Kjede AS | Oslo | 2002 |
| Sunmar Management AS | Bekkjarvik | 2026 |
| Sunndal Maskinutleie AS | Sunndalsøra | 2002 |
| Sunnfjord Bilutleige AS | Florø | 2019 |
| Sunnfjord Renhold AS | Førde | 2017 |
| Sunnhordaland Bilutleige AS | Stord | 2003 |
| Sunnhordalands Vaktmestertjeneste Da | Stord | 2000 |
| Sunnhordland Båt Utleie Da | Huglo | 2007 |
| Sunnhordland Fasadevask AS | Stord | 2021 |
| Sunnhordland Skadedyrkontroll AS | Rubbestadneset | 2015 |
| Sunnhordland Takrenneservice AS | Stord | 1992 |
| Sunnhordland Toppfotball AS | Stord | 2006 |
| Sunnmøre Fasadevask AS | Ørsta | 2026 |
| Sunnmøre Mountain Guides AS | Ørsta | 2023 |
| Sunnmørsalpane Skiservice Da | Straumgjerde | 2001 |
| Sunnmørsguide AS | Ørsta | 2016 |
| Sunpool AS | Fyllingsdalen | 2023 |
| Sunpor AS | Oslo | 1986 |
| Sunpor Technology AS | Oslo | 2021 |
| Sunquest Travel Norge AS | Ski | 1994 |
| Sunrise Multi Tradelink AS | Oslo | 2024 |
| Sunshine Kollektiv AS | Oslo | 2023 |
| Sunshine Renhold AS | Narvik | 2000 |
| Sunwill KS | 7700 Thisted | 1995 |
| Super Facility AS | Oslo | 2022 |
| Super Marijo Nuf | Greåker | 2021 |
| Superb Renhold & Transport AS | Kjeller | 2012 |
| Superdiode AS | Oslo | 2020 |
| Superinstruktørene AS | Oslo | 2014 |
| Superio AS | Oslo | 2022 |
| Superior Renewables A/S Nuf | Dk-6700 Esbjerg | 2025 |
| Superlinis AS | Oslo | 2014 |
| Superopona SP. Z O.O. Nuf | Pl-00-867 Warszawa | 2019 |
| Superoslo AS | Oslo | 2023 |
| Superservice AS | Tomter | 2022 |
| Supin AS | Ræge | 2020 |
| Supplement AS | Drammen | 2023 |
| Supply AS | Oslo | 2009 |
| Supply Chain Professional AS | Randaberg | 2021 |
| Support International Travel AS | Oslo | 2014 |
| Sureclean AS | Sandnes | 2009 |
| Surf Beyond AS | Oslo | 2021 |
| Surfacore AS | Haugesund | 2014 |
| Surfsafe Norway Limited | Leigh-On-Sea Ss92 5A | 2010 |
| Surrehues Reiser AS | Budalen | 2014 |
| Sus I Gjemnes AS | Batnfjordsøra | 2009 |
| Sus Og Dus Odda AS | Odda | 2021 |
| Sus Scrofa Holding AS | Trondheim | 2012 |
| Susarry Design Ltd | West Sussex Rh19 3Bl | 1995 |
| Susendal Bygdeservice AS | Hattfjelldal | 2020 |
| Sustainable Energy Infrastruktur AS | Stord | 2025 |
| Suveko AS | Dal | 2026 |
| Suveren Fasade AS | Kongsberg | 2013 |
| Suverent AS | Hundvåg | 2016 |
| Svaboe Maskin AS | Sandnes | 2021 |
| Sval Festivalen AS | Fredrikstad | 2026 |
| Svalbard Experience AS | Longyearbyen | 2026 |
| Svalbard Explorer AS | Longyearbyen | 2013 |
| Svalbard Group AS | Longyearbyen | 2019 |
| Svalbard Guide Service AS | Longyearbyen | 2022 |
| Svalbard Kayak & Nature Guide AS | Longyearbyen | 2021 |
| Svalbard Photography AS | Longyearbyen | 2022 |
| Svalbard Plus | Gb-London Wc1N 3Ax | 2017 |
| Svalbard Polar Travel Da | Longyearbyen | 2003 |
| Svalinn Cap Systems AG | Ch-6300 Zug | 2024 |
| Svalinn Rental AS | Loddefjord | 2024 |
| Svane Solutions AS | Trondheim | 2025 |
| Svanen Renhold AS | Larvik | 2018 |
| Svanen Service AS | Gjøvik | 2016 |
| Svaneti Backcountry AS | Alvdal | 2013 |
| Svar Holding AS | Skjetten | 2005 |
| Svardal Holding AS | Åros | 2015 |
| Svarsenter AS | Oslo | 2010 |
| Svarstad Anlegg AS | Auli | 2020 |
| Svarstad Treskelag Da | Svarstad | 2010 |
| Svart AS | Stavanger | 2015 |
| Svartbekkjølen Utmarkslag SA | Alvdal | 2023 |
| Svarthaugen Bygdeservice SA | Oppdal | 2010 |
| Svartisen Leverandørforum SA | Reipå | 2025 |
| Svarven AS | Terråk | 2024 |
| Svay Maritime AS | Kristiansand S | 2025 |
| SVC AS | Stavanger | 1995 |
| Svcb Record 50 Ltd Nuf | N146Qh, London, Southgate | 2010 |
| Svea Finans | Dk-3450 Allerød | 2016 |
| Svea Finans AS | Oslo | 1998 |
| Svealykkja AS | Oslo | 2005 |
| Svebakk Drift 365 AS | Mosjøen | 2026 |
| Sveberg Næringspark Drift AS | Heimdal | 2021 |
| Svebjørn Bilutleie AS | Narvik | 2025 |
| Svedberga Planteskole AS | Oslo | 2022 |
| Svedhaug Multiservice AS | Nordfjordeid | 2022 |
| Svedholm Design AB | 752 28 Uppsala | 2003 |
| Sveen Eiendom AS | Raufoss | 1994 |
| Sveen Service AS | Vågå | 2020 |
| Sveggisx AS | Ålesund | 2025 |
| Sveholmen Maskin AS | Avaldsnes | 2015 |