| Sandøy Båtdekk AS | Tvedestrand | 1998 |
| Sandøy Holding AS | Tvedestrand | 2005 |
| Sandøy Utleie Og Service AS | Midsund | 2024 |
| Sangnæspølsa AS | Brandbu | 2011 |
| Sangolt Sag Ans | Skogsvåg | 1995 |
| Sanko Industrier AS | Vestnes | 1973 |
| Sankti AS | Kragerø | 2022 |
| Sann Skredderi AS | Trondheim | 2024 |
| Sanness Eiendom AS | Risør | 2006 |
| Sannidal Slangeservice AS | Sannidal | 2012 |
| Sannum AS | Lillehammer | 1992 |
| Sanomega E&E AS | Son | 2023 |
| Sanovo Technology | 5220 Odense Sø | 2025 |
| Sanselina AS | Gjerdrum | 2025 |
| Santec Sveis Og Montering AS | Eidsvåg I Romsdal | 2011 |
| Sapa Holding Spain SL | Es-28320 Madrid | 2017 |
| Sapa Profiles KFT | Oslo | 2016 |
| Sapeg AS | Tiller | 1990 |
| Sapeg Holding AS | Tiller | 2015 |
| Saprega | 90112 Plunge | 2004 |
| Sara Orientalske Tepper AS | Skien | 2016 |
| Sara Skredder Og Kosmetikk AS | Oslo | 2018 |
| Sarbast AS | Fredrikstad | 2024 |
| Sarepta Bakeri AS | Aurland | 1988 |
| Sarg & Bein AS | Oslo | 2018 |
| Sarpsborg Dental AS | Sarpsborg | 2016 |
| Sarpsborg Mekaniske Verksted AS | Greåker | 2006 |
| Sarpsborg Papp AS | Sarpsborg | 1990 |
| Sarstedt AG & Co. KG Nuf | De-51588 Nümbrecht | 2026 |
| Sartorius Lab Instruments GmbH & Co. KG Nuf | De-37079 Göttingen | 2025 |
| Sartorius Stedim Systems GmbH | De-34302 Guxhagen | 2011 |
| Sateba Norway AS | Hønefoss | 2012 |
| Sateba Steel AS | Hønefoss | 2022 |
| Satec GmbH | De-83483 Bischofswiesen | 2026 |
| Satema AS | Oslo | 1989 |
| Saturn Kommunikasjon AS | Drammen | 1988 |
| Sauda Maskinering AS | Sauda | 2008 |
| Saudamat AS | Sauda | 2018 |
| Saulius Holding AS | Harestua | 2022 |
| Saura Mekaniske Verksted | Engavågen | 2002 |
| Saval B.V. | 4815Pn Breda | 2013 |
| Savant Entertainment AS | Ask | 2021 |
| Savema Engineering AS | Gressvik | 2007 |
| Saveway GmbH & Co. KG | De-98693 Ilmenau | 2024 |
| Sawhas Toilet AS | Søndeled | 2019 |
| Saxe Plast Teknikk AS | Mjøndalen | 2020 |
| Saxi Industrier AS | Fiskum | 1972 |
| SB Bygg AS | Åndalsnes | 2008 |
| SB Drift AS | Sortland | 2025 |
| SB Games AS | Oslo | 2017 |
| SBM Invest AS | Vik I Sogn | 2020 |
| SBT Holding AS | Austrheim | 2022 |
| Sbvp Holding AS | Porsgrunn | 2014 |
| SC Eiendom AS | Straume | 2013 |
| Scaff System S.R.L. Nuf | It-72017 Ostuni (Br) | 2026 |
| Scala Norway AS | Ålesund | 2017 |
| Scale Aquaculture AS | Sistranda | 1980 |
| Scale Aquaculture Circular AS | Sistranda | 2008 |
| Scale Aquaculture Group AS | Kverva | 2017 |
| Scan Con Construction Aps Nuf | Dk-4840 Nørre Alselv | 2025 |
| Scan Emballasje AS | Kleppestø | 2015 |
| Scan Glass AS | Gamle Fredrikstad | 2016 |
| Scan Granitt AS | Sandefjord | 1998 |
| Scan Gse AS | Gardermoen | 2021 |
| Scan Modul Norway AS | Oslo | 2014 |
| Scan Protec AS | Svolvær | 2015 |
| Scanbas Professional AS | Tjøme | 2023 |
| Scanbio Ingredients AS | Bjugn | 1984 |
| Scanbio JV AS | Oslo | 2022 |
| Scanbio Marine Group AS | Trondheim | 2011 |
| Scanbio Marine Group Holding AS | Trondheim | 2022 |
| Scanbio Marine Group Topco AS | Oslo | 2022 |
| Scancem Holding AS | Oslo | 2017 |
| Scanco AS | Nyborg | 2005 |
| Scancomposit Norge | Dk-8940 Randers Sv | 2025 |
| Scandcut AB Nuf | Oslo | 2017 |
| Scandekk AS | Gamle Fredrikstad | 2025 |
| Scandi Standard Norway AS | Oslo | 2013 |
| Scandia Food AS | Ski | 2003 |
| Scandic Markiser AS | Hunndalen | 1995 |
| Scandic Skin Lab AS | Bodø | 2019 |
| Scandiderma AS | Tromsø | 2010 |
| Scandinavian Alps AS | Hemsedal | 2016 |
| Scandinavian Angler Da | Stord | 1995 |
| Scandinavian Avionics Norway Division Nuf | Nannestad | 1995 |
| Scandinavian Crayon Company AS | Ellingsøy | 2020 |
| Scandinavian Energy Group AS | Hauge I Dalane | 2022 |
| Scandinavian Energy Solutions AS | Tønsberg | 2003 |
| Scandinavian Fibre Board AS | Elverum | 2015 |
| Scandinavian Fittings & Flanges Holding AS | Sandnes | 1993 |
| Scandinavian Kiln Service AB | Se-802 86 Gävle | 2018 |
| Scandinavian Micro Systems AS | Trollåsen | 1976 |
| Scandinavian Motorcenter Nuf | Stokke | 2008 |
| Scandinavian Plumber Service Norge | Se-432 40 Varberg | 2008 |
| Scandinavian Pod Solutions AS | Oslo | 2024 |
| Scandinavian Power System AS | Bygland | 2014 |
| Scandinavian Security Design Da | Rolvsøy | 2002 |
| Scandza AS | Oslo | 2007 |
| Scandza Norge AS | Oslo | 2008 |
| Scandza Salg Norge AS | Oslo | 2014 |