| Svein Enok Nørstebø Nuf | Trondheim | 2015 |
| Svein Erik Utland Snekkerservice AS | Mo I Rana | 1998 |
| Svein Groven AS | Edland | 2018 |
| Svein Grøstad AS | Ski | 1997 |
| Svein Grøterud AS | Prestfoss | 1997 |
| Svein H Brathagen AS | Kvelde | 1988 |
| Svein H Kvia AS | Åmot | 2021 |
| Svein Haug & Sønner AS | Enebakk | 1978 |
| Svein Hovdahl AS | Trondheim | 2006 |
| Svein Hønsi AS | Vik I Sogn | 2016 |
| Svein Jacobsen Holding AS | Horten | 2023 |
| Svein Klungtveit AS | Sand | 1989 |
| Svein Litleskare Maskinstasjon AS | Alversund | 2012 |
| Svein Lund Isolering AS | Sarpsborg | 2005 |
| Svein Løken Eftf AS | Kongsberg | 2019 |
| Svein Løkenflaen Rørleggerservice AS | Oppegård | 2005 |
| Svein M. Tyreng Bergsprenging AS | Fjellstrand | 2013 |
| Svein Mathisen & Sønn Ans | Torød | 1989 |
| Svein Mo AS | Modalen | 1996 |
| Svein Nesøen Holding AS | Rolvsøy | 2016 |
| Svein Og Bengts Snekkerservice Ans | Flateby | 1998 |
| Svein Ohren AS | Sistranda | 2018 |
| Svein Roar Andersen AS Murmester- Entreprenørforretning | Mjøndalen | 1990 |
| Svein Roar Wistven AS | Alta | 2001 |
| Svein Roppen AS | Ulsteinvik | 1988 |
| Svein Storebø AS | Fonnes | 2021 |
| Svein Thomassen AS | Alta | 2018 |
| Svein Tore Lysgaard AS | Lillehammer | 2008 |
| Svein Tyreng AS | Fagerstrand | 2004 |
| Sveine Bygg AS | Flateby | 2025 |
| Sveins Malerservice AS | Åmot | 2020 |
| Sveins Rørservise AS. AS | Sandnes | 2023 |
| Sveinsvoll Rør AS | Jørpeland | 2016 |
| Sveinung Borgen AS | Os | 2014 |
| Sveinung Seim AS | Seim | 2006 |
| Sveio Blikk Og Tak AS | Haugesund | 2025 |
| Sveio Byggservice AS | Førde I Hordaland | 2001 |
| Sveis Og Utemiljø AS | Jonsvatnet | 2015 |
| Sveising Og Blikk AS | Inndyr | 2025 |
| Sveising-Bygg AS | Rolvsøy | 2017 |
| Sveitserhus AS | Larvik | 2025 |
| Svela Bygg AS | Sandnes | 2016 |
| Svela Invest AS | Sandnes | 2005 |
| Svela Tømrertjenester AS | Vikeså | 2020 |
| Svelapp AS | Hov | 2024 |
| Svelgen Bygg AS | Svelgen | 2014 |
| Svelvik Graving Og Transport AS | Svelvik | 1997 |
| Svelvik Kunstglass AS | Svelvik | 1989 |
| Svelvik Varme & Sanitær AS | Svelvik | 2023 |
| Svema Vent AS | Paradis | 2010 |
| Svemo Holding AS | Hokksund | 2005 |
| Sven a Andersen AS | Arendal | 2021 |
| Sven Almgren Montagetjänst AB | 605 80 Svärtinge | 2009 |
| Sven Erik Andersen AS | Ulefoss | 2024 |
| Sven Holding AS | Moss | 2005 |
| Sven Jahncke Nuf | De-19063 Schwerin | 2020 |
| Sven Jinert AB Nuf | Se-281 43 Hässleholm | 2026 |
| Sven Jäniche Dachtecknijk GmbH | Oslo | 2013 |
| Svendby AS | Feiring | 2019 |
| Svendrik Jensen AS | Oteren | 2024 |
| Svendsby Bygg AS | Halden | 2016 |
| Svendsen & Thu Bygg AS | Sandnes | 2021 |
| Svendsen Bygg AS | Kristiansand S | 2024 |
| Svendsen Fjellsprengning AS | Oslo | 2022 |
| Svendsen Glass AS | Ytre Arna | 2005 |
| Svendsen Håndverk Tjeneste AS | Hafslundsøy | 2025 |
| Svendsen Kjøleservice AS | Bodø | 2025 |
| Svendsen Maskin AS | Brøstadbotn | 2001 |
| Svendsen Rør AS | Finnsnes | 1986 |
| Svendsens Glass-Service & Altiglass AS | Oslo | 2022 |
| Svenheim Monteringsservice AS | Våle | 2020 |
| Svenkro Bygg AS | Eidsvåg I Åsane | 2021 |
| Svenljunga Byggnadsisolering AB | Se-438 93 Landvetter | 1998 |
| Svenn Nystrand Bygg AS | Arendal | 2025 |
| Svenn O's Graveutførelse AS | Kolvereid | 2011 |
| Svenn-Maskin & Rørservice AS | Undrumsdal | 2014 |
| Svenner-Holding AS | Larvik | 2021 |
| Svennes Hytteservice AS | Vossestrand | 2024 |
| Svenning Holding AS | Svolvær | 2021 |
| Svenningdal Maskinstasjon AS | Trofors | 2019 |
| Svennings Bygg AS | Grimstad | 2018 |
| Svenno's Vei Og Drift AS | Kolvereid | 2024 |
| Svensby Byggservice AS | Svensby | 2015 |
| Svensen Bygg & Utleie AS | Furnes | 2022 |
| Svensen Bygg AS | Eydehavn | 2025 |
| Svensen Maskin AS | Lillestrøm | 1965 |
| Svensgaard Installasjon AS | Elverum | 1991 |
| Svensk Butiksetablering AB Nuf | 754 73 Uppsala | 2025 |
| Svensk Hygro Luftbefuktning AB | Se-824 42 Hudiksvall | 2022 |
| Svensk Sjöentreprenad I Malmö AB | Se262 22 Ängelholm | 2016 |
| Svensk Trefiber AS | Drøbak | 2018 |
| Svensk Trälackering AB | 670 41 Koppom | 2014 |
| Svenska Bygg & Miljøtak | Oslo | 1996 |
| Svenska Dmixab AB | 507 30 Brämhult | 2007 |
| Svenska Epoxy Golv AB | Oslo | 2002 |
| Svenska Infragruppen AS | Trondheim | 2018 |
| Svenska Labex AB Nuf | Se-254 67 Helsingborg | 2025 |
| Svenske Konstruksjon AS | Oslo | 2013 |
| Svensken AS | Sauda | 2011 |
| Svent AS | Drammen | 2022 |