 | BREDESEN OPSET PREFAB AS | 921682719 | GRUE |
| BREDE STENSRUD AS | 913049470 | RÆLINGEN |
| BREEN BYGG & SERVICE | 933715736 | RINGERIKE |
| BREILI & PARTNERE AS | 996361012 | TØNSBERG |
| BREISTØL & FALKGJERDET MASKIN AS | 991425098 | EVJE OG HORNNES |
| BREIVIK RØR AS | 991421955 | ØYGARDEN |
| BREKKE & KLEPPE ANLEGG AS | 989957058 | HAREID |
| BREKKE OG LIE VVS AS | 933376559 | KVAM |
| BREKKE SANITÆR AS | 979512082 | HOLMESTRAND |
| BREKKE & STRAND AKUSTIKK AS | 916863071 | OSLO |
| BREKNE BYGG AS | 935266335 | FARSUND |
| BREMANGER BYGG AS | 914087279 | BREMANGER |
| BRE MEK AS | 967512982 | DRAMMEN |
| BRENDBERG BYGG OG BETONG AS | 998063000 | RANA |
| BRENDE AS | 910814958 | MELHUS |
| BRENNE ENTREPRENØR AS | 994315404 | SYKKYLVEN |
| BRETUN TAK AS | 934369165 | MOSS |
| BREVIK AS | 916721153 | LIER |
| BRG ENTREPRENØR AS | 992604956 | KRISTIANSAND |
| BRIGHT RÅDGIVENDE INGENIØRER BYGG AS | 881208792 | SARPSBORG |
| BRIGHT RÅDGIVENDE INGENIØRER ELEKTRO AS | 985712808 | SARPSBORG |
| BRIGHT RÅDGIVENDE INGENIØRER VVS AS | 987001860 | DRAMMEN |
| BRIIS ARKITEKTUR AS | 927876175 | BÆRUM |
| BRI LANDBRUKSBYGG AS | 985081395 | KLEPP |
| BRIMER AS | 914346401 | SANDE (MØRE OG ROMSDAL) |
| BRINGO SAG & HØVLERI AS | 974343568 | NESBYEN |
| BRINGTINDEN BYGG AS | 932270153 | SENJA |
| BR MASKIN AS | 919111569 | ØYGARDEN |
| BR. NILSEN BYGGMESTERFIRMA AS | 926393529 | BAMBLE |
| BRODAHL EIENDOM AS | 998558018 | RAKKESTAD |
| BRODAHL & JAHREN DRIFT AS | 932488469 | MOSS |
| BRODIE BRAMICH BYGG | 932789612 | ØRSTA |
| BRØDRENE AASE AS | 999659438 | SANDNES |
| Brødrene Alseth A/S | 919908254 | TINN |
| BRØDRENE BAKK AS | 948073579 | AURE |
| BRØDRENE BJERKLI AS | 935360560 | STJØRDAL |
| BRØDRENE BØRØ AS | 930003700 | MIDTRE GAULDAL |
| BRØDRENE BRANDSHAUG AS | 998772559 | ASKER |
| BRØDRENE DOKKEN AS | 898484262 | SØR-AURDAL |
| BRØDRENE EIDSAND AS | 911312859 | GRAN |
| BRØDRENE FOSSHEIM TRANSPORT AS | 929570391 | TINN |
| BRØDRENE GUDBRANDSEN AS | 878665112 | ØSTRE TOTEN |
| BRØDRENE HAMMERSTAD AS | 974343320 | OSLO |
| BRØDRENE HANSEN BYGG AS | 997867610 | SIGDAL |
| BRØDRENE HANSEN GRAVESERVICE AS | 877021572 | OSLO |
| BRØDRENE HARSJØEN ENTREPRENØR AS | 925696994 | TYNSET |
| BRØDRENE HAUGEN MASKIN OG GRUS AS | 919925604 | NORD-FRON |
| BRØDRENE HELLAND AS | 976257952 | STRAND |
| BRØDRENE HOFSTAD AS | 884135222 | STJØRDAL |
| BRØDRENE HONNINGDAL AS | 893862862 | VESTNES |
| BRØDRENE JOHANNESSEN AS | 859589642 | FREDRIKSTAD |
| BRØDRENE KARLSEN ANLEGGSDRIFT AS | 997612728 | BALSFJORD |
| BRØDRENE KILLI AS | 981958586 | HARSTAD |
| BRØDRENE LARSEN VVS AS | 982004217 | NORDRE FOLLO |
| BRØDRENE LIE AS | 913875818 | SANDNES |
| BRØDRENE LIUM AS | 980426300 | NORD-FRON |
| BRØDRENE LOMHEIM AS | 939008586 | LUSTER |
| BRØDRENE MÆLAND BYGG AS | 911988100 | ETNE |
| BRØDRENE MEDALEN AS | 997103092 | GJESDAL |
| BRØDRENE MIDTHAUG AS | 987604018 | MOLDE |
| BRØDRENE MUSLAND MASKIN AS | 925384836 | KVINNHERAD |
| BRØDRENE ØDEGÅRD MASKINDRIFT AS | 925840564 | FREDRIKSTAD |
| BRØDRENE PEDERSEN BYGG AS | 978660223 | ÅLESUND |
| BRØDRENE SELVIK AS | 926682822 | SAUDA |
| BRØDRENE SKJERVSTAD AS | 938019304 | VEFSN |
| BRØDRENE SMEDSLAND MASKIN AS | 971175265 | LINDESNES |
| BRØDRENE SØGÅRD AS | 989528106 | NES |
| BRØDRENE SOLEM AS | 930274585 | DRAMMEN |
| BRØDRENE SØNMØR AS | 993899267 | TOLGA |
| BRØDRENE SØRENSEN MASKIN AS | 968400967 | TROMSØ |
| BRØDRENE STEFFENSEN AS | 999172164 | BERGEN |
| BRØDRENE STEINE AS | 930217840 | KVAM |
| BRØDRENE STUBBERUD FJELLSPRENGNING AS | 919392916 | ENEBAKK |
| BRØDRENE THOMASSEN BYGG AS | 996476014 | VESTBY |
| BRØDRENE TOPAAS AS | 914041651 | BÆRUM |
| BRØDRENE ULVESETH AS | 990269068 | BERGEN |
| BRØDRENE VATNEBRYN AS | 920714714 | FLESBERG |
| BRØDRENE WARLOFF AS | 984380135 | ØVRE EIKER |
| BRØDR. FLATEBØ AS | 980890813 | ETNE |
| BRØDR HALLE AS | 912270637 | STJØRDAL |
| BRØDR HELGESENS EFTF AS | 935900557 | RINGERIKE |
| BRØDR IVERSBY AS | 942384319 | FREDRIKSTAD |
| BRØDR. KITTELSEN RØRLEGGERBEDRIFT AS | 915053165 | DRAMMEN |
| BRØDR. LIE AS | 929535553 | FREDRIKSTAD |
| BRØDR OLSEN MUR & BYGG AS | 984364059 | KARMØY |
| BRØDR. ØRJANSEN AS | 989896962 | KARMØY |
| BRØDR. RODEGÅRD AS | 988408042 | NESBYEN |
| BRØDR SÆTH AS | 981463862 | RAUMA |
| BRØDR. SKAMMELSRUD AS | 998494443 | RAKKESTAD |
| BRØK BYGGETEKNIKK AS | 926078569 | DRAMMEN |
| BROMLE MASKIN AS | 920255094 | KVAM |
| BRØNNØYSUND RØR AS | 824675112 | BRØNNØY |
| BROVOLD BYGG | 935880521 | OSLO |
| BROVOLD VVS AS | 918588051 | HUSTADVIKA |
| BR RAAKEN AS | 984990804 | TRONDHEIM |
| BR RØINESDAL ANS | 970391711 | LYNGDAL |
| BR RØR & BAD AS | 928683699 | SARPSBORG |
| BR. SVENDSEN AS | 895205192 | HEIM |
| BR. THORKILDSEN AS | 880399462 | FARSUND |
| BRU ANLEGG AS | 919416645 | RINGSAKER |