| Sam Gates Limited | County Durham Dl1 1Ng | 2015 |
| Sam Tak AS | Drammen | 2016 |
| Sama Holding AS | Lørenskog | 2014 |
| Samara Group | Ee-10915 Tallinn Harjumaa | 2014 |
| Samarbeidspartner I Byggebransjen Fra Gulv Til Tak AS | Oslo | 2002 |
| Samarbeidspartnerne Ans | Lierskogen | 2021 |
| Samartean AS | Straume | 2021 |
| Sambygg Drift AS | Oslo | 2013 |
| Samcom AS | Fagerstrand | 2006 |
| Samdal Bygg AS | Lundamo | 2011 |
| Samdal Maskin AS | Førde | 2025 |
| Samdal Rør AS | Os | 1987 |
| Samfrost Holding AS | Sola | 2020 |
| Samhold Rørmontasje AS | Akkerhaugen | 2022 |
| Sami Maler Tjenester AS | Vinterbro | 2016 |
| Samland & Skarstein AS | Herand | 2021 |
| Samnøen Bygg AS | Eikelandsosen | 2007 |
| Samnøy Maskin AS | Fedje | 2017 |
| Samnøy Rørleggerservice AS | Eikelandsosen | 2025 |
| Samot D.O.O. Ljubljana | 1000 Ljubljana | 2008 |
| Samper Installation Aps | 8500 Grenå | 2016 |
| Sample Holding AS | Solbergelva | 2024 |
| Sams Eigedom AS | Luster | 2013 |
| Samsan AS | Fjerdingby | 2024 |
| Samseth Anlegg AS | Måndalen | 2007 |
| Samseth Natursteinsmuring AS | Måndalen | 2023 |
| Samson & Sofus AS | Torvastad | 2020 |
| Samuel Bårdsen AS | Alta | 2021 |
| Samuel Miniprosjekt AS | Fagerstrand | 1989 |
| Samuelsen Maskin & Transport AS | Ballangen | 2024 |
| Samuelsen Maskin AS | Malmefjorden | 1984 |
| Samuelsen.Samuelsen AS | Stavanger | 2018 |
| Samuelsen.Samuelsen AS | Stavanger | 2025 |
| Samvirkeforetaket Vann- Og Avløp Buerstad | Lillestrøm | 2023 |
| San Bygg AS | Trondheim | 2021 |
| Sana Bygg AS | Oslo | 1993 |
| Sanad Flislegging AS | Ytre Enebakk | 2022 |
| Sanart AS | Oppegård | 2019 |
| Sance-Sandelin Consulting and Engineering OY | 21280 Raisio | 2013 |
| Sanco Bil Og Maskin AS | Oslo | 2016 |
| Sanco Forvaltning AS | Oslo | 2014 |
| Sanco Hamar AS | Oslo | 2016 |
| Sanco Holding AS | Oslo | 1989 |
| Sanco Processing B.V. | 8754Hb Makkum | 2019 |
| Sanco Solution AS | Oslo | 2020 |
| Sancris Fiberteknik Nuf | Se-247 62 Veberöd | 2022 |
| Sand Anlegg AS | Flateby | 2025 |
| Sand Bygg AS | Rissa | 1997 |
| Sand Bygg Eiendom AS | Rissa | 2015 |
| Sand Byggtjenester AS | Drangedal | 2024 |
| Sand Haandtverk AS | Ramnes | 2017 |
| Sand Machine Trading V/Bente Sand | 9560 Hadsund | 2018 |
| Sand Montasje Og Service AS | Neslandsvatn | 2022 |
| Sand Rørservice AS | Frogner | 2023 |
| Sand-Hanssen Bygg AS | Drammen | 2026 |
| Sanda Bygg AS | Heimdal | 2025 |
| Sandahls Grus & Asfalt AB | Se-331 26 Värnamo | 2019 |
| Sandal Bygg AS | Hjellestad | 2016 |
| Sandal Elektro AS | Sykkylven | 2008 |
| Sandals Elektriske AS | Volda | 2017 |
| Sandar Blikk & Vedlikehold AS | Sandefjord | 2020 |
| Sandback AS | Bergen | 2024 |
| Sandbakken Bygg AS | Jessheim | 2022 |
| Sandbakkveien AS | Egersund | 2004 |
| Sandberg & Fjellheim Holding AS | Fevik | 2023 |
| Sandberg Anleggstjenester AS | Dokka | 2021 |
| Sandberg Bygg LP | Se-90432 Umeå | 2013 |
| Sandberg Maskin AS | Heggenes | 2023 |
| Sandberg Montasjeservice Og Snekkeri AS | Ålesund | 2020 |
| Sandblåst AS | Eide | 2019 |
| Sandbæk Bygg Da | Nes På Hedmarken | 2008 |
| Sandbæk Maskin AS | Flisa | 2013 |
| Sande Bygg AS | Randaberg | 1997 |
| Sande Bygg Og Eiendom AS | Kleppestø | 2021 |
| Sande Fastlandssamband AS | Kvamsøy | 1988 |
| Sande Invest AS | Loddefjord | 2005 |
| Sande Næringspark AS | Horten | 2008 |
| Sande VVS AS | Sande I Vestfold | 2025 |
| Sandefjord Blåseisolering AS | Sandefjord | 2023 |
| Sandefjord Elektro AS | Sandefjord | 1996 |
| Sandefjord Kjøkken Og Renovering AS | Andebu | 2022 |
| Sandefjord Maskin & Hagedesign AS | Sandefjord | 2022 |
| Sandefjord Maskin AS | Sandefjord | 2007 |
| Sandefjord Rørfornying AS | Sandefjord | 2026 |
| Sandefjord Rørhandel AS | Sandefjord | 2009 |
| Sandefjord Sprengningsservice AS | Stokke | 2008 |
| Sandefjord Ventilasjon AS | Sandefjord | 2024 |
| Sandelin AS | Rotsund | 2019 |
| Sanden Byggservice AS | Lyngdal | 1998 |
| Sanden Byggservice Holding AS | Lyngdal | 2005 |
| Sanden Elektro AS | Sogndal | 2014 |
| Sanden Maskin AS | Rennebu | 1986 |
| Sander Akselsen Holding AS | Risør | 2022 |
| Sander Gran Holding AS | Revetal | 2022 |
| Sander Kvamme AS | Askvoll | 2026 |
| Sandersen Anlegg & Service AS | Eidsvoll | 2024 |
| Sandersen Holding AS | Molde | 2009 |
| Sanderød Holding AS | Skien | 2020 |
| Sanderød Rør AS | Skien | 2024 |
| Sandes Service Team AS | Ågotnes | 2013 |