| Brillehuset Ranheim AS | Ranheim | 2019 |
| Brillehuset Sandnessjøen AS | Sandnessjøen | 2018 |
| Brillehuset Tromsø AS | Tromsø | 1997 |
| Brillemann AS | Holmestrand | 2003 |
| Brillenova AS | Gjøvik | 2025 |
| Briller Og Iris AS | Kristiansand S | 2022 |
| Brilleriet Heiane AS | Stord | 2016 |
| Brilleriet Stord AS | Stord | 2005 |
| Brilleriet Ølen AS | Ølen | 2026 |
| Brillesalongen AS | Melhus | 1997 |
| Brillesentrum Ans | Oslo | 1990 |
| Brilleservice AS | Bodø | 1994 |
| Brilleslangen AS | Stavanger | 2013 |
| Brillespesialisten AS | Oslo | 2021 |
| Brimer Horizon AS | Sandvika | 2006 |
| Brimi Bue AS | Lom | 1994 |
| Brimo Fiskeforedling AS | Reipå | 2020 |
| Brimo Invest AS | Reipå | 2018 |
| Brinck-Mortensen Invest AS | Bærums Verk | 2021 |
| Brinco Dagligvare AS | Oslo | 2025 |
| Brinco Mat AS | Oslo | 2025 |
| Bringelandsmaskinhandel AS | Geilo | 2018 |
| Brinkeligrinda Spill & Godt AS | Tofte | 2004 |
| Brinkman International B.V. | Nl-2691 Pr'S-Gravenzande | 2016 |
| Brio Arken AS | Nyborg | 2003 |
| Brio AS | Oslo | 1984 |
| Brio Barn & Lek Center Lagunen AS | Rådal | 1997 |
| Brio Lek Center Roseby AS | Molde | 2001 |
| Brio Vestkanten AS | Loddefjord | 2004 |
| Brio Vinterbro AS | Vinterbro | 2004 |
| Bris Utvikling AS | Kristiansand S | 1983 |
| Briscapo Aktiebolag Nuf | Se-262 91 Ångelholm | 2025 |
| Briscor AS | Søreidgrend | 2012 |
| Brisk Aqua Supply AS | Øksfjord | 2016 |
| Briskeby Butikkdrift AS | Oslo | 2024 |
| Briskeby Gods AS | Oslo | 2010 |
| Briskeby Mat AS | Oslo | 2011 |
| Briskeby Mynthandel AS | Oslo | 2025 |
| Briskeby Optikk AS | Oslo | 2016 |
| Briskeby Trading AS | Oslo | 2021 |
| Brisken Interiør Og Gave Da | Aurdal | 2001 |
| Bristol AS | Gamle Fredrikstad | 2012 |
| Bristol-Myers Squibb Norway AS | Lysaker | 2007 |
| Bristow European Technical Services B.V. | 1077Xv Amsterdam | 2024 |
| Bristow Technical Services Limited | Sola | 2009 |
| Brit's Undertøysalong AS | Stjørdal | 2005 |
| Britax Norway AS | Oslo | 1946 |
| British American Tobacco Norway AS | Oslo | 1998 |
| British Auto Norway AS | Slependen | 2025 |
| Britisk Bilimport AS | Hagan | 2018 |
| Britnor Ltd Nuf | Tertnes | 2007 |
| Britt I By'N AS | Orkanger | 2015 |
| Britt I By'N Bårdshaug AS | Orkanger | 2020 |
| Britt-Nina's AS | Mosjøen | 2005 |
| Britwind Ltd | Gloucestershire Gl5 3By | 2017 |
| Britz Import Ans | Tårnåsen | 2006 |
| Brix Auto AS | Stavanger | 2026 |
| Brix Design Nuf | Dk-4780 Stege | 2016 |
| BRN Best Retail Norge AS | Trondheim | 2003 |
| Bro Invest AS | Mysen | 1991 |
| Bro Kompetanse AS | Sandefjord | 2020 |
| Broadcast Solutions Nordic AS | Ski | 2023 |
| Broadview Lifescience AS | Oslo | 1994 |
| Brobekk Bil AS | Oslo | 2013 |
| Brobrobrille AS | Blystadlia | 2024 |
| Brocante AS | Oslo | 2012 |
| Brodering AS | Porsgrunn | 2019 |
| Broderistua AS | Lyngdal | 2003 |
| Broen Bil AS | Våler I Østfold | 2023 |
| Brogata 1 Dagligvarer AS | Ålesund | 2010 |
| Broke AS | Oslo | 2025 |
| Brokeland Holding AS | Sundebru | 2016 |
| Brokelandsheia Matsenter AS | Sundebru | 1996 |
| Brokelandsheia Servicesenter AS | Sundebru | 1994 |
| Broken Oslo AS | Oslo | 2021 |
| Brokers AS | Ørsta | 2016 |
| Brokk Norge AS | Ski | 2011 |
| Broks Tea Co AS | Trondheim | 2023 |
| Brokvika AS | Oslo | 2015 |
| Brolabs AS | Lier | 2025 |
| Broli Dagligvare AS | Trondheim | 2026 |
| Brom Consulting AS | Drøbak | 2014 |
| Brom Thermo AS | Harstad | 2026 |
| Bromberg Dagligvare AS | Oslo | 2015 |
| Brombrom AS | Maura | 2024 |
| Bromine AS | Oslo | 2017 |
| Bromma Hage & Hyttesenter AS | Nesbyen | 2022 |
| Broms Limited Nuf | Tvedestrand | 2006 |
| Bronebakk Øksekast AS | Vennesla | 2023 |
| Bronn Holding AS | Jevnaker | 2015 |
| Bronto Skylift AB Nuf | 186 38 Vallentuna | 2013 |
| Bronx Engineering Limited | West Midlands Dy5 1Ta | 2022 |
| Brookhaven Instruments AB Nuf | Fornebu | 2005 |
| Brooks Scandinavia AB | Se-103 90 Stockholm | 2018 |
| Brooks Sports B.V. | 1076De Amsterdam | 2022 |
| Broom Bil AS | Sandnes | 2016 |
| Broste Copenhagen | Dk-2650 Hvidovre | 1995 |
| Brotec Da | Gjøvik | 2010 |
| Brotech AB | Se-263 21 Höganäs | 2018 |
| Brother Norge, Filial Til Brother Nordic A/S Nuf | Oslo | 2011 |