| Johan Berentsensvei 63 AS | Bergen | 1992 |
| Johan Berentsensvei 65 AS | Bergen | 2006 |
| Johan Bjørdal AS | Oslo | 2019 |
| Johan Bojers Vei AS | Oslo | 2022 |
| Johan C. Fochsen Holding AS | Sandnes | 2005 |
| Johan Evensen Eiendom AS | Sandefjord | 2008 |
| Johan Evjes Vei 11 AS | Oslo | 2018 |
| Johan Follestads Vei 12 AS | Nesbru | 2015 |
| Johan Follestads Vei 15 AS | Nesbru | 2013 |
| Johan Follestads Vei 24 AS | Hvalstad | 2016 |
| Johan Follestads Vei 7 AS | Åros | 1989 |
| Johan Follestads Vei 9 AS | Oslo | 2018 |
| Johan Follestads Vei AS | Hvalstad | 2021 |
| Johan Follestadsvei 14 AS | Billingstad | 2008 |
| Johan Follestadsvei 18 AS | Oslo | 2017 |
| Johan Follestadsvei 19 AS | Oslo | 2018 |
| Johan Herman Wessels Vei 99 AS | Vestby | 2000 |
| Johan Invest AS | Vennesla | 2006 |
| Johan Johnsen Eiendom AS | Skien | 1988 |
| Johan K Johansen AS | Storslett | 1996 |
| Johan Kjellmark Holding AS | Røros | 2017 |
| Johan Nordtugsvei 9-11 AS | Borgenhaugen | 2019 |
| Johan Nygårdsgate 17 B AS | Otta | 2017 |
| Johan Nygårdsgate Eiendom AS | Nedre Heidal | 2020 |
| Johan O Helgesen AS | Trondheim | 1960 |
| Johan Ofstad Holding AS | Eggkleiva | 2014 |
| Johan Olsen Holding AS | Sandnes | 1923 |
| Johan R. Sunde Eiendom AS | Eidsnes | 2012 |
| Johan R. Sunde Holding AS | Eidsnes | 2012 |
| Johan S. Svendsen AS | Lysaker | 2005 |
| Johan Sandberg Eiendom AS | Trondheim | 1994 |
| Johan Scharffenbergsvei 116 Eiendom AS | Oslo | 2014 |
| Johan Stangeland Eiendom AS | Stavanger | 1999 |
| Johan Sverdrup Eiendom Da | Stavanger | 2017 |
| Johan Troye AS | Bergen | 1935 |
| Johan Tveit AS | Stavanger | 1946 |
| Johan Vinje AS | Trondheim | 1990 |
| Johan Vinje Eiendom A/S | Trondheim | 1942 |
| Johan Vinje Stål AS | Trondheim | 1988 |
| Johanne Skolt AS | Oslo | 2006 |
| Johannes Benestad AS | Oslo | 2001 |
| Johannes Fimland AS | Båstad | 2016 |
| Johannes Johannessen AS | Fredrikstad | 2006 |
| Johannes T H Lie AS | Leira I Valdres | 2025 |
| Johannes Tjelta AS | Tjelta | 2002 |
| Johannes Østensjø & Co AS | Haugesund | 1917 |
| Johannesborg Eiendom AS | Oslo | 2025 |
| Johannesgården SA | Alta | 1988 |
| Johannessen Eiendom AS | Lillesand | 2004 |
| Johannessen Eiendomsmegling AS | Tønsberg | 2012 |
| Johannessen Invest AS | Vatnestrøm | 2006 |
| Johannsen AS | Kongsberg | 2015 |
| Johansen AS | Brattvåg | 1992 |
| Johansen Assets AS | Charlottenlund | 2016 |
| Johansen Eiendom AS | Alta | 1993 |
| Johansen Eiendom AS | Brønnøysund | 1997 |
| Johansen Eiendomsinvest AS | Tromsdalen | 2005 |
| Johansen Eiendomstakst AS | Oslo | 2022 |
| Johansen Holding AS | Bodø | 1993 |
| Johansen Holding AS | Namsos | 1998 |
| Johansen Management AS | Lyngseidet | 2017 |
| Johansen Og Foldvik Vann Ans | Lillesand | 1992 |
| Johansen Utvikling AS | Sylling | 2015 |
| Johansen&Johansen AS | Myre | 2017 |
| Johansgarden Da | Måndalen | 2013 |
| Johansson Invest AS | Larvik | 2012 |
| Johdd AS | Nedstrand | 2005 |
| Johe Eiendom AS | Alta | 2013 |
| Johe Holding AS | Lyngdal | 2015 |
| Johe Utvikling AS | Lyngdal | 2024 |
| Johema AS | Oslo | 2016 |
| Johla Invest AS | Stabekk | 2005 |
| John Audun Antonsen AS | Haugesund | 2013 |
| John B Ruud AS | Oslo | 1971 |
| John Dahle AS | Tananger | 1976 |
| John E Bjørvik AS | Sandnes | 1994 |
| John Erik Persson AS | Tønsberg | 2005 |
| John Galt AS | Jar | 2013 |
| John Galt Eiendom AS | Jar | 2021 |
| John Holmer AS | Vinstra | 2006 |
| John Høiness AS | Oslo | 1964 |
| John Invest AS | Greåker | 2005 |
| John Johansen Eiendom AS | Leknes | 2013 |
| John Kleven AS | Ulsteinvik | 2021 |
| John Knudsen Holding AS | Paradis | 2001 |
| John Kvamme AS | Førde | 1991 |
| John Munkhaugen AS | Drammen | 1990 |
| John Nilsen AS | Grimstad | 2007 |
| John Nævdal Eiendom AS | Alversund | 2008 |
| John Olaf Solum AS | Soknedal | 2016 |
| John Olav Økland Invest AS | Blomsterdalen | 2005 |
| John Rasmussen Invest AS | Grimstad | 2008 |
| John Roger Hansen Invest AS | Oslo | 2005 |
| John Rui A/S | Bekkestua | 1961 |
| John Rødningen AS | Nesbyen | 2005 |
| John Seljord Holding AS | Notodden | 2005 |
| John Sisk & Son AS | Lysaker | 2026 |
| John Svela Holding AS | Stavanger | 2005 |
| John Svendsen Invest AS | Strømmen | 1991 |
| John Wilberg Holding AS | Maura | 2006 |