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| Bilvask.No Myrene AS | Arendal | 2018 |
| Bilvask.No Revetal AS | Revetal | 2021 |
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| Bilvasken AS | Ingeberg | 2024 |
| Bilvaskeriet AS | Vikersund | 2022 |
| Bilvasktek AS | Drammen | 2026 |
| Bilverk AS | Hønefoss | 2025 |
| Bilverket AS | Oslo | 2018 |
| Bilverksted Sentrum AS | Oslo | 2014 |
| Bilverksted Sør AS | Kristiansand S | 2017 |
| Bilverkstedet AS | Ski | 2004 |
| Bilxtra Autogården Kongsberg AS | Kongsberg | 2014 |
| Bilxtra Gjelleråsen AS | Hagan | 2023 |
| Bilxtra Isdalstø AS | Isdalstø | 2015 |
| Bilxtra Skøyen AS | Oslo | 2016 |
| Bimmerfiks AS | Kløfta | 2019 |
| Bingen Frisør AS | Egersund | 2014 |
| Biohack 369 AS | Førresfjorden | 2025 |
| Bionic Skin AS | Oslo | 2015 |
| Birger Aase Bilrekvisita AS | Haugesund | 1987 |
| Birger N Haug AS | Åros | 1989 |
| Birger N. Haug Holding AS | Nesbru | 2006 |
| Biri Bil Og Maskin Da | Biri | 2007 |
| Biri Bilverksted Og Dekk AS | Biri | 2025 |
| Birkeland Bil AS | Birkeland | 2017 |
| Birkeland Hudpleie AS | Birkeland | 2021 |
| Birkeland Hårstudio AS | Birkeland | 1999 |
| Birkelid Karosseri Og Eiendom AS | Lonevåg | 2003 |
| Birkemo Holding AS | Helleland | 2021 |
| Birota AS | Oslo | 2025 |
| Bisi Invest AS | Hafrsfjord | 2013 |
| Bisi Rens & Vask AS | Hafrsfjord | 2011 |
| Bisken Barnehage AS | Lier | 2020 |
| Bislett Frisør Da | Oslo | 2012 |
| Bislett Hudpleie AS | Oslo | 2006 |
| Bismo Bil Ans | Skjåk | 1987 |
| Bismo Bil Verksted AS | Skjåk | 1993 |
| Bispøyan Hytteeierlag SA | Tiller | 1978 |
| Bissevov AS | Hønefoss | 2015 |
| Bistandsservice AS | Buvika | 2022 |
| Bitbike AS | Kristiansand S | 2021 |
| BJ Multiservice AS | Båtsfjord | 2025 |
| Bjerke & Andresen AS | Lillestrøm | 2012 |
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| Bjerke Trav AS | Oslo | 2022 |
| Bjerkebo Kompetanseutvikling AS | Åmot | 1998 |
| Bjerkeengen Holding AS | Mjøndalen | 2025 |
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| Bjerland Lakk Og Karosseri AS | Hægeland | 1996 |
| Bjoa Auto AS | Bjoa | 1988 |
| Bjugn Auto Ans | Bjugn | 1986 |
| Bjugn Bilservice AS | Bjugn | 2016 |
| Bjugn Dekkservice AS | Bjugn | 2019 |
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| Bjølsen Hud & Velvære AS | Oslo | 2017 |
| Bjørge Karosseri AS | Skien | 1988 |
| Bjørgs Helsesalong AS | Mosjøen | 2009 |
| Bjørgvin Barbersalong AS | Bergen | 2018 |
| Bjørgvin Begravelsesbyrå AS | Bergen | 2020 |
| Bjørgvin Hårstudio AS | Bønes | 2021 |
| Bjørk Frisør AS | Søgne | 2013 |
| Bjørka Kapital AS | Langhus | 2005 |
| Bjørkelangen Begravelsesbyrå AS | Matrand | 2020 |
| Bjørkelangen Bilpleie AS | Bjørkelangen | 2024 |
| Bjørkelangen Bilservice AS | Bjørkelangen | 2022 |
| Bjørkelangen Bilservice Holding AS | Bjørkelangen | 2022 |
| Bjørkeli Invest AS | Ulnes | 2005 |
| Bjørkum Bil Ans | Molde | 1998 |
| Bjørn Berge AS | Rjukan | 1993 |
| Bjørn Frisør AS | Oslo | 2012 |
| Bjørn Lundberget AS | Trysil | 2013 |
| Bjørn Myhrens Verksted AS | Melandsjø | 1989 |
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| Bjørnafjorden Begravelsesbyrå AS | Os | 2015 |
| Bjørnars Auto AS | Hansnes | 2019 |
| Bjørndal AS | Masfjordnes | 2016 |
| Bjørndal Frisør Salong AS | Oslo | 2016 |
| Bjørndalen Invest AS | Kristiansand S | 2005 |
| Bjørndalsrundens Venner | Skollenborg | 2013 |
| Bjørnen Frisør & Barbershop AS | Fredrikstad | 2012 |
| Bjørneset Bil AS | Fosnavåg | 2021 |
| Bjørneseth Invest AS | Flisa | 2019 |
| Bjørnestad AS | Os | 2023 |
| Bjørnestien Frisør AS | Stranda | 2010 |
| Bjørnevik Slipp & Klipp AS | Høylandsbygd | 2025 |
| Bjørnsdottir AS | Nøtterøy | 2022 |
| Bjørnstad Frisørsalong AS | Sørumsand | 2020 |
| Bjørnør Begravelsesbyrå AS | Steinsdalen | 2016 |
| Black Bulldog AS | Oslo | 2026 |
| Black Rose Tattoo AS | Oslo | 2023 |
| Blacklane GmbH | 10827 Berlin | 2020 |
| Blackrock Financial Management Inc | New York 10055 | 2010 |
| Blackscreen AS | Brennåsen | 2020 |
| Blade Studio Røa AS | Oslo | 2019 |
| Blade Studio Skøyen AS | Oslo | 2019 |
| Blaker Bil AS | Blaker | 2016 |
| Blakstad Auto AS | Kyrksæterøra | 2016 |
| Blanche Beauty AS | Hønefoss | 2022 |