| Blomstrende AS | Gurskøy | 2018 |
| Bloomingu AS | Oslo | 2016 |
| Blossom AS | Smøla | 2025 |
| Blue Office AS | Kristiansand S | 2016 |
| Blueberry Photography AS | Stabekk | 2019 |
| Bluelite AS | Ulsteinvik | 2016 |
| Blueplanet Academy AS | Stavanger | 2016 |
| Blush Yoga/Skin AS | Oslo | 2022 |
| Blyberget AS | Trondheim | 2005 |
| Blå Kors Barnehage Øvrebø AS | Øvrebø | 2022 |
| Blå Kors Divisjon Opplæring AS | Oslo | 2023 |
| Blå Kors Opplæringssenter Øvrebø AS | Øvrebø | 1996 |
| Blå Kors Videregående Skole Grimstad AS | Grimstad | 2019 |
| Blå Kors Videregående Skole Hop AS | Ask | 2007 |
| Blå Kors Videregående Skole Øvrebø AS | Øvrebø | 1983 |
| Blå Livredning AS | Jessheim | 2018 |
| Blå Trafikkskole AS | Myre | 2019 |
| Blåbærgrenda Barnehage SA | Fjerdingby | 2000 |
| Blåbærskogen Barnehage SA | Hønefoss | 2002 |
| Blåbærskogen Naturbarnehage AS | Tvedestrand | 2012 |
| Blåbærtoppen Barnehage SA | Drammen | 2001 |
| Blåfjell Barnehage SA | Sortland | 2002 |
| Blåklokka Barnehage AS | Frekhaug | 2006 |
| Blålys Nord AS | Svolvær | 2023 |
| Blåmyra Ans | Båtstø | 2001 |
| Blåtinden Barnehage SA | Haddal | 1995 |
| Blått Kompetansesenter Nord AS | Finnsnes | 2019 |
| Blåveisen Barnehage SA | Hamar | 1991 |
| BM Teknikk Nuf | Steinberg | 2017 |
| BM; Teknikk AS | Steinberg | 2026 |
| BMB Barnehage AS | Holmestrand | 2024 |
| Bmbg Holding AS | Rådal | 2023 |
| BMC Trafikkskole AS | Mosjøen | 2011 |
| Bo & Angas Trafikkskole Da | Kongsvinger | 1989 |
| Boa-Holding AS | Godvik | 2005 |
| Boards and Wine AS | Drammen | 2023 |
| Boassen Consulting AS | Oslo | 2013 |
| Boazovàzzi AS | Lødingen | 2024 |
| Bob Trafikkskole AS | Moss | 2007 |
| Bob Trafikkskole Avd. Tønsberg AS | Tønsberg | 2012 |
| Bodalen Friskole SA | Averøy | 2006 |
| Boden Harmoni AS | Våler I Østfold | 2013 |
| Bodil Liér AS | Lysaker | 2022 |
| Bodø Barnehager | Bodø | 1986 |
| Bodø Pilates Studio AS | Bodø | 2024 |
| Bogafjellbakken Naturbarnehage SA | Sandnes | 2002 |
| Boganes Barnehage SA | Stavanger | 1992 |
| Bogen Barnehage SA | Tolvsrød | 1989 |
| Bokstavmari AS | Bryne | 2025 |
| Bold Living AS | Oslo | 2023 |
| Bollerød Fus Barnehage AS | Tistedal | 2018 |
| Bolsbasic AS | Rjukan | 2023 |
| Boltås AS | Evenskjer | 2017 |
| Bondalen Ltd Nuf | Oslo | 2004 |
| Bondeheimen Familiebarnehage AS | Oslo | 2022 |
| Bondhus Trafikkskule AS | Ørsta | 2015 |
| Bonsolini Racing; Coaching and Adventures AS | Oslo | 2023 |
| BOOK4U AS | Dokka | 2012 |
| Bordalen Barnehage SA | Voss | 1981 |
| Boreakademiet AS | Odda | 2021 |
| Borg Trafikkskole AS | Sarpsborg | 2018 |
| Borg Vikingbarnehage AS | Bøstad | 1997 |
| Borgen Barnehage NGH AS | Sarpsborg | 2022 |
| Borgen Fus Barnehage AS | Kløfta | 2018 |
| Borgestad Barnehage SA | Tranby | 1995 |
| Borgly Barnehage AS | Vanvikan | 2005 |
| Borgundveien Barnehage AS | Ålesund | 2018 |
| Bossekop Barnehage AS | Alta | 2003 |
| Botrytis AS | Stavanger | 2006 |
| Botus Norway AS | Trollåsen | 2016 |
| BP Brannkompetanse AS | Gjøvik | 2005 |
| BP Safety Da | Fredrikstad | 2009 |
| Bra Trafikkskole AS | Fetsund | 2014 |
| Braatevaag 1 AS | Engeløya | 2017 |
| Braatevaag AS | Oslo | 2014 |
| Brabridge AS | Jessheim | 2014 |
| Bragd Utvikling AS | Gjøvik | 2019 |
| Bragernes Strand Barnehage AS | Oslo | 2007 |
| Brain and Heart Invest AS | Oslo | 2005 |
| Brain Health Management Da | Oslo | 2025 |
| Brain Movers AS | Fjerdingby | 2015 |
| Brainchild AS | Ranheim | 1999 |
| Brainobrain Norway AS | Sandsli | 2015 |
| Brainwells AS | Oslo | 2009 |
| Brainxr AS | Volda | 2024 |
| Brakamoen Barnehage SA | Sauda | 1991 |
| Brander AS | Røyse | 2003 |
| Branding Lady Ingelin Aabø AS | Oslo | 2014 |
| Brandøy Misjons- Og Konferansesenter AS | Bjoa | 2019 |
| Branlit AS | Moss | 2024 |
| Brann Og Førstehjelpskurs AS | Skien | 2024 |
| Brann Og Sikkerhet Tromsø AS | Kvaløya | 2024 |
| Branninspektøren AS | Nesodden | 2019 |
| Brannportal AS | Os I Østerdalen | 2022 |
| Brannvakten AS | Høyanger | 2014 |
| Brannvernopplæring Helgeland AS | Leirfjord | 2015 |
| Bratrud Teknolæring AS | Dokka | 2024 |
| Bratsberg Fus Kulturbarnehage AS | Trondheim | 2019 |
| Bratt Lende AS | Oslo | 2024 |
| Bratt Redning AS | Valle | 2022 |