| Bilbransjens Kompetansesenter Sør AS | Kristiansand S | 1996 |
| Bilbransjens Opplæringskontor AS | Nesttun | 1990 |
| Bilbransjens Opplæringskontor AS | Førde | 1996 |
| Bilbransjens Opplæringskontor Haugalandet AS | Haugesund | 1996 |
| Bilfag Nordmøre Og Romsdal SA | Kristiansund N | 1995 |
| Bilfag Sør AS | Kristiansand S | 1994 |
| Bilfagenes Opplæringskontor Stord AS | Stord | 1997 |
| Bilflipp AS | Fornebu | 2022 |
| BILIST1 AS | Stavanger | 2020 |
| Billingstad Barnehage SA | Billingstad | 1994 |
| Bilu AS | Skedsmokorset | 2012 |
| Bindalseidet Skole SA | Bindalseidet | 2007 |
| Bingen Barnehage AS | Skotselv | 2013 |
| Binspired AS | Halden | 2019 |
| Biodanza Today AS | Duken | 2004 |
| Bioprofile AS | Stavanger | 2023 |
| Bip Holding AS | Stamsund | 2012 |
| Bippr AS | Sandnes | 2020 |
| Birdie AS | Ridabu | 2022 |
| Birdie Bliss Golf AS | Moss | 2023 |
| Birgit Skarstein AS | Oslo | 2016 |
| Birkebeineren Friluftsbarnehage SA | Lillehammer | 1998 |
| Birkelunden Studio AS | Oslo | 2025 |
| Birken Barnehage AS | Bergen | 2016 |
| Birkenes Fus Barnehage AS | Birkeland | 2021 |
| Birralee International Kindergarten Trondheim AS | Trondheim | 2012 |
| Birralee International School Trondheim AS | Trondheim | 1984 |
| Bisjord Fus Barnehage AS | Larvik | 2018 |
| Biskopshavn Barnehage SA | Bergen | 2015 |
| Bislettbekken - Sio Barnehage AS | Oslo | 2022 |
| Biss College AS | Stavanger | 2020 |
| Biss Preschool AS | Stavanger | 2022 |
| Biss Sentrum AS | Stavanger | 2017 |
| Bitcoinuniversitetet AS | Sogndal | 2013 |
| Bitdrop AS | Oslo | 2013 |
| Bitehagen Barnehage SA | Røyken | 1998 |
| Bitteliten Barnehager AS | Oslo | 2005 |
| Bitteliten Brattvoll Familiebarnehage AS | Oslo | 2023 |
| Bitteliten Karlsrud Familiebarnehage AS | Oslo | 2023 |
| Bitteliten Marihøna Familiebarnehage AS | Oslo | 2023 |
| Bitteliten Merkur Familiebarnehage AS | Oslo | 2023 |
| Bitteliten Saturn Familiebarnehage AS | Oslo | 2005 |
| Biå Steinerbarnehage AS | Stavanger | 2015 |
| Bjerkaas AS | Lier | 2019 |
| Bjerkaker Barnehage SA | Tromsø | 1976 |
| Bjerke Gård Terapi Og Trenings- Senter AS | Oslo | 2003 |
| Bjerke Privatundervisning AS | Oslo | 2019 |
| Bjerkeli Motocrosstrening AS | Brumunddal | 2022 |
| Bjerkeveien Barnehage SA | Drøbak | 2004 |
| Bjerkåsholmen Barnehage AS | Slemmestad | 2012 |
| Bjoarvik Holding AS | Os | 2024 |
| Bjoarvik Trafikkskole AS | Os | 2013 |
| Bjøntegaard Leirskole Og Leirsted AS | Hanestad | 2009 |
| Bjørg Gretes Danseskole AS | Oslo | 2020 |
| Bjørgs Trafikkskole AS | Stjørdal | 2017 |
| Bjørkebakken Andelslag SA | Hvittingfoss | 2003 |
| Bjørkebo Barnehage SA | Brumunddal | 1989 |
| Bjørkedal Montessori Skole SA | Porsgrunn | 2010 |
| Bjørkekollen Barnehage AS | Vestby | 2022 |
| Bjørkelangen Trafikkskole AS | Bjørkelangen | 2020 |
| Bjørkli Kurssenter AS | Asker | 1998 |
| Bjørkli Private Barnehage SA | Sørreisa | 2001 |
| Bjørklund Musikk AS | Båstad | 2024 |
| Bjørknes AS | Oslo | 1987 |
| Bjørknes Privatskole AS | Oslo | 2026 |
| Bjørkåshøgda Familiebarnehage AS | Ballangen | 2024 |
| Bjørlo Trafikkskule AS | Nordfjordeid | 2012 |
| Bjørn Smith-Hald AS | Ottestad | 2005 |
| Bjørnafjorden Trafikkskole AS | Os | 2025 |
| Bjørndalen Barnehage AS | Kristiansand S | 2017 |
| Bjørndalen Gårdsbarnehage AS | Sætre | 2010 |
| Bjørndalen Sætre AS | Sætre | 2022 |
| Bjørnebåsen Barnehage SA | Harstad | 1992 |
| Bjørns Trafikkskole Safedriver AS | Sandnes | 2013 |
| Bjørnsen Tørnquist AS | Oslo | 2017 |
| Bjørnsgård Barnehage SA | Kapp | 2000 |
| Bjørset Barnehage AS | Molde | 2022 |
| Bjørum Barnehage AS | Namsos | 2015 |
| Bk-Kompetanse AS | Korsvegen | 2023 |
| Bkraft Holding AS | Oppegård | 2017 |
| Black Plate AS | Hell | 2026 |
| Bleie Industri Og Opplæring AS | Salhus | 2000 |
| Blekkulf Barnehage Ans | Kristiansand S | 1995 |
| Blh-Dom Safety Solutions AS | Hafrsfjord | 2013 |
| Bli Rå AS | Haugesund | 2015 |
| Bligründer AS | Holmsbu | 2023 |
| Blimo AS | Kragerø | 1991 |
| Blindern Barnestuer SA | Oslo | 1992 |
| Blindern Trafikkskole AS | Oslo | 2018 |
| Blindernveien - Sio Barnehage AS | Oslo | 2022 |
| Blink Trafikkskole AS | Vennesla | 2006 |
| Blink Trafikkskole Mandal AS | Mandal | 2015 |
| Blink Trafikkskole Ålesund AS | Ålesund | 2021 |
| Blirbedre AS | Lierskogen | 2022 |
| Blixland Hestesenter AS | Tomter | 1928 |
| Blockchain Academy AS | Rolvsøy | 2022 |
| Blokkin AS | Kvam | 2021 |
| Blomkvist Heli AS | Kjeller | 2026 |
| Blommenholm Barnehage SA | Blommenholm | 1987 |
| Blomsterøya Barnehage SA | Kråkerøy | 1989 |