| Brække Bygg AS | Brumunddal | 2000 |
| Brække Holding AS | Drammen | 2018 |
| Brækken Bygg AS | Ballstad | 2021 |
| Brækken Holding AS | Narvik | 2020 |
| Brækken Maskin & Transport AS | Mosjøen | 2001 |
| Brændes Rørleggerforretning AS | Volda | 1982 |
| Bröd. Ahlgrens Marmorinredningarb AB | Se-524 91 Herrljunga | 2020 |
| Brödsgaard Bygg & Montage AB | Se-605 95 Norrköping | 2026 |
| Brødenveien Avløpslag | Halden | 2013 |
| Brøderud Graveservice AS | Kongsvinger | 2016 |
| Brøderud Holding AS | Kongsvinger | 2016 |
| Brøderud Maskin AS | Kongsvinger | 2017 |
| Brødr Halle AS | Stjørdal | 1977 |
| Brødr Hansen Maskindrift AS | Halden | 1998 |
| Brødr Helgesens Eftf AS | Hønefoss | 1984 |
| Brødr Iversby AS | Rolvsøy | 1987 |
| Brødr Klepp AS | Lillesand | 2001 |
| Brødr Kristensen Ans | Veavågen | 1999 |
| Brødr Litzheim AS | Bjørkelangen | 1994 |
| Brødr Olsen Mur & Bygg AS | Skudeneshavn | 2002 |
| Brødr Palmesen Ans | Fauske | 1980 |
| Brødr Skog AS | Leknes | 2002 |
| Brødr Sulebakks Byggelag Ans | Mauseidvåg | 1975 |
| Brødr Sæth AS | Åndalsnes | 2000 |
| Brødr Sørensen Ans | Honningsvåg | 1988 |
| Brødr. Amundsen AS | Bjørnevatn | 2012 |
| Brødr. Flatebø AS | Etne | 1999 |
| Brødr. Gjershaug AS | Sunndalsøra | 2008 |
| Brødr. Kittelsen Rørleggerbedrift AS | Svelvik | 2015 |
| Brødr. Kroon AS | Fagernes | 2026 |
| Brødr. Kråkevik AS | Odda | 2005 |
| Brødr. Lie AS | Gressvik | 2022 |
| Brødr. Pettersen AS | Egersund | 2001 |
| Brødr. Rodegård AS | Nesbyen | 2005 |
| Brødr. Skammelsrud AS | Degernes | 2012 |
| Brødr. Ørjansen AS | Kopervik | 2006 |
| Brødrende Berget AS | Åbogen | 2025 |
| Brødrene & Pettersen AS | Helle | 2025 |
| Brødrene Aasheim AS | Nodeland | 2003 |
| Brødrene Albrigtsen AS | Årviksand | 2018 |
| Brødrene Anderssen Da | Stavanger | 1993 |
| Brødrene Aursnes AS | Sykkylven | 2023 |
| Brødrene Bech AS | Hafrsfjord | 2025 |
| Brødrene Berge Ans | Trondheim | 1999 |
| Brødrene Bjerkli AS | Stjørdal | 1984 |
| Brødrene BM AS | Oslo | 2025 |
| Brødrene Bolstad AS | Rendalen | 2023 |
| Brødrene Brandshaug AS | Slemmestad | 2012 |
| Brødrene Brekkhus Holding AS | Storebø | 2021 |
| Brødrene Brenden AS | Oslo | 1988 |
| Brødrene Bygg AS | Moss | 2024 |
| Brødrene Bygg Service AS | Oslo | 2024 |
| Brødrene Bygg&Maskin AS | Oslo | 2025 |
| Brødrene Børø AS | Singsås | 2022 |
| Brødrene D&K Blikk Og Tak AS | Drammen | 2022 |
| Brødrene Dokken AS | Bagn | 2012 |
| Brødrene Ebne Entreprenør AS | Skånevik | 1998 |
| Brødrene Eidsand AS | Brandbu | 1968 |
| Brødrene Eie Glass Og Tre AS | Skien | 1977 |
| Brødrene Ellingsen AS | Flekkefjord | 2000 |
| Brødrene Espedal AS | Forsand | 2015 |
| Brødrene Faane AS | Sauland | 1991 |
| Brødrene Fakstad Da | Nord-Torpa | 1969 |
| Brødrene Ferkingstad Ans | Skudeneshavn | 2010 |
| Brødrene Fløtten AS | Sjøvegan | 2019 |
| Brødrene Formo Da | Tessanden | 2003 |
| Brødrene Fossheim Transport AS | Tinn Austbygd | 1980 |
| Brødrene Friestad AS | Bryne | 1996 |
| Brødrene Frisli Da | Brumunddal | 1989 |
| Brødrene Fuglevig Da | Tistedal | 2020 |
| Brødrene Glomsaker AS | Mandal | 2013 |
| Brødrene Gudbrandsen AS | Lena | 1997 |
| Brødrene Gunnarsson AS | Loen | 2009 |
| Brødrene Hals AS | Nordli | 2017 |
| Brødrene Hammershaug AS | Halden | 2023 |
| Brødrene Hammerstad AS | Oslo | 1995 |
| Brødrene Hansen Bygg AS | Prestfoss | 2012 |
| Brødrene Hansen Eiendom AS | Porsgrunn | 1999 |
| Brødrene Hansen Graveservice AS | Oslo | 1996 |
| Brødrene Hansen Maskintransport AS | Fagernes | 2009 |
| Brødrene Harsjøen Entreprenør AS | Tynset | 2020 |
| Brødrene Haugen Malerservice AS | Nesbyen | 2016 |
| Brødrene Helland AS | Tau | 1996 |
| Brødrene Hittnes AS | Eidsvoll | 2016 |
| Brødrene Hofstad AS | Stjørdal | 2001 |
| Brødrene Holmgren AS | Hammerfest | 2012 |
| Brødrene Holten Ans | Terråk | 1980 |
| Brødrene Honningdal AS | Tresfjord | 2008 |
| Brødrene Hovlandsdal Ans | Flekke | 1996 |
| Brødrene Høie Blikk AS | Slitu | 2015 |
| Brødrene Isaksen Holding AS | Leinesfjord | 2010 |
| Brødrene Isolering AS | Oslo | 2015 |
| Brødrene Jakobsen AS | Grimstad | 2008 |
| Brødrene Jobsen AS | Sortland | 1977 |
| Brødrene Johannessen AS | Torp | 1990 |
| Brødrene Johnsen AS | Kongshavn | 2023 |
| Brødrene Johnsen Elektroservice AS | Skien | 2004 |
| Brødrene Johnsen Invest AS | Porsgrunn | 2005 |
| Brødrene Kallesten Rør AS | Bø I Telemark | 2015 |
| Brødrene Karlsen Anleggsdrift AS | Storsteinnes | 2011 |