| Bjørnengveien 6 AS | Rolvsøy | 2025 |
| Bjørnereim Bilverksted AS | Byrkjelo | 1986 |
| Bjørnero Holding AS | Evje | 2007 |
| Bjørnero Invest AS | Evje | 2007 |
| Bjørnerud AS | Gjøvik | 1985 |
| Bjørnerud Eiendom AS | Oslo | 2026 |
| Bjørnerud Holding AS | Billingstad | 2005 |
| Bjørnerudseter AS | Eggedal | 2023 |
| Bjørnerudveien 13 AS | Lysaker | 2006 |
| Bjørnerudveien 16 AS | Oslo | 2021 |
| Bjørnerudveien 18 AS | Oslo | 1986 |
| Bjørnerudveien 19 Eiendom AS | Oslo | 1995 |
| Bjørnerudveien 24 Ans | Oslo | 1988 |
| Bjørnerudveien 8 AS | Oslo | 1994 |
| Bjørneseth Eiendom AS | Flisa | 2020 |
| Bjørnestad Foundation AS | Larvik | 2018 |
| Bjørnevatn Maskin Eiendom AS | Svanvik | 2019 |
| Bjørnevik Eiendom AS | Meråker | 2020 |
| Bjørnevollen 7 AS | Hagavik | 2022 |
| Bjørnfeld Holding AS | Lunde | 2017 |
| Bjørnfeld Invest AS | Skien | 2020 |
| Bjørnfjell AS | Rådal | 1992 |
| Bjørnfjellhus Da | Bardu | 2000 |
| Bjørnhollo 51-53 AS | Bodø | 2023 |
| Bjørnholthagan AS | Lillestrøm | 2020 |
| Bjørnholtlia Utvikling AS | Hakadal | 2011 |
| Bjørni Invest AS | Trondheim | 2001 |
| Bjørnli AS | Veierland | 2006 |
| Bjørnlia AS | Elverum | 2000 |
| Bjørnneset AS | Stokmarknes | 2025 |
| Bjørns Bygg Eiendom AS | Revetal | 2023 |
| Bjørnsen Eiendom AS | Sandnes | 1986 |
| Bjørnsen Invest AS | Hafrsfjord | 2020 |
| Bjørnseth Fraise Holding AS | Oslo | 2019 |
| Bjørnsgard Ans | Oslo | 1989 |
| Bjørnsgård AS | Kapp | 2021 |
| Bjørnskar Hyttefelt AS | Hansnes | 2021 |
| Bjørnson Holding AS | Nøtterøy | 2020 |
| Bjørnsonhuset AS | Molde | 2001 |
| Bjørnsonhusets Venner AS | Molde | 2001 |
| Bjørnsons Gate 35 AS | Nesttun | 2025 |
| Bjørnsons Gate 45 AS | Nesttun | 2024 |
| Bjørnsons Gate 5 AS | Gjøvik | 2021 |
| Bjørnsons Hage 2 AS | Oslo | 2013 |
| Bjørnsons Hage 3 AS | Oslo | 2016 |
| Bjørnsons Hage AS | Oslo | 2010 |
| Bjørnsonsgate 11 AS | Bergen | 2019 |
| Bjørnsonsgate 14 AS | Bergen | 2005 |
| Bjørnsonsgate 2 AS | Gjøvik | 2021 |
| Bjørnsonsgate 6 AS | Gjøvik | 1995 |
| Bjørnsonsgate 8 AS | Eidsvåg I Åsane | 2019 |
| Bjørnsonsgaten 13-15 AS | Bergen | 1999 |
| Bjørnsonsgaten Næring AS | Godvik | 2013 |
| Bjørnsonsgt 34 AS | Lillestrøm | 1991 |
| Bjørnsonsgt 8 AS | Gjøvik | 1980 |
| Bjørnsonsgt. 36 AS | Nesttun | 2007 |
| Bjørnsrud Holding AS | Oslo | 2005 |
| Bjørnsrud Invest AS | Oslo | 2011 |
| Bjørnsrudskogen Eiendomslag Da | Dal | 2025 |
| Bjørnstad AS | Trondheim | 2004 |
| Bjørnstad Bygg Eiendom AS | Rakkestad | 2013 |
| Bjørnstad Bygg Utvikling AS | Rakkestad | 2016 |
| Bjørnstad Eiendom AS | Porsgrunn | 2026 |
| Bjørnstad Entreprenørpark AS | Moss | 2015 |
| Bjørnstad Granholt Eiendom Ans | Tretten | 2002 |
| Bjørnstad Invest AS | Hamar | 2006 |
| Bjørnstadgata 7 AS | Stavanger | 2006 |
| Bjørnstadmyra 1 AS | Tomter | 2011 |
| Bjørnstadmyra 12 AS | Grålum | 2011 |
| Bjørnstadmyra 4 AS | Grålum | 2017 |
| Bjørnstadmyra 6 AS | Grålum | 2017 |
| Bjørnstadmyra 7A AS | Grålum | 2019 |
| Bjørnstadmyra 8 AS | Borgenhaugen | 2005 |
| Bjørnstadmyra 8 Eiendom AS | Borgenhaugen | 2016 |
| Bjørnstadmyra 9 AS | Sarpsborg | 2011 |
| Bjørnstadmyra Eiendom AS | Sarpsborg | 2022 |
| Bjørnstadmyra Næringseiendom AS | Sarpsborg | 2026 |
| Bjørnstadveien 1 AS | Grålum | 2014 |
| Bjørnstadveien 50 a AS | Grålum | 2013 |
| Bjørnstadveien 50 B AS | Grålum | 2013 |
| Bjørnstadveien 50 C AS | Grålum | 2013 |
| Bjørnstjerne Bjørnsons Gate 118-124 AS | Oslo | 1979 |
| Bjørnstjerne Bjørnsons Gate 4 AS | Notodden | 2022 |
| Bjørnstjerne Bjørnsons Gate 8A AS | Notodden | 2020 |
| Bjørnstjerne Bjørnsons Gate 8B AS | Notodden | 2020 |
| Bjørnstjerne Bjørnsons Veg 45 AS | Skien | 2024 |
| Bjørnstjerne Bjørnsonsgate 5 AS | Notodden | 1967 |
| Bjørnstjerne Bjørnsonsgate 53 AS | Drammen | 2021 |
| Bjørnstjerne Bjørnsonsgate 86-92 AS | Oslo | 2000 |
| Bjørnstjerne Bjørnsonsgate AS | Oslo | 1986 |
| Bjørnstjerne Eiendom AS | Oslo | 2001 |
| Bjørnsund Eiendomsselskap AS | Molde | 1996 |
| Bjørnsvikveien 28 AS | Sandvika | 2013 |
| Bjørntvedt Eiendom AS | Skien | 2023 |
| Bjørntvedt Gård AS | Oslo | 2012 |
| Bjørntvedt Holding AS | Porsgrunn | 2007 |
| Bjørntvedt Invest AS | Skien | 2021 |
| Bjørntvedtvegen 150 Syd AS | Skien | 2013 |
| Bjørntvedtvegen 156 AS | Skien | 2020 |
| Bjørnulf Eiendom AS | Fredrikstad | 2005 |