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| BREKKE & STRAND AKUSTIKK AS | 916863071 | OSLO |
| 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 |
| BREVIK AS | 916721153 | LIER |
| BREVIK BYGG | 891792042 | ORKLAND |
| 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 |
| BRINGTINDEN BYGG AS | 932270153 | SENJA |
| BRIT SEJERSTED BØDTKER SIV ARK MNAL | 975966046 | ASKER |
| BR MASKIN AS | 919111569 | ØYGARDEN |
| BR. NILSEN BYGGMESTERFIRMA AS | 926393529 | BAMBLE |
| BRODAHL EIENDOM AS | 998558018 | RAKKESTAD |
| BRODAHL & JAHREN DRIFT AS | 932488469 | MOSS |
| BRODIN AS | 982784875 | OSLO |
| 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 Dahl A/S | 945757280 | OSLO |
| BRØDRENE DOKKEN AS | 898484262 | SØR-AURDAL |
| BRØDRENE EIDSAND AS | 911312859 | GRAN |
| BRØDRENE FAKSTAD DA | 926214845 | NORDRE LAND |
| BRØDRENE FOSSHEIM TRANSPORT AS | 929570391 | TINN |
| BRØDRENE FRIESTAD AS | 976102231 | TIME |
| BRØDRENE GUDBRANDSEN AS | 878665112 | ØSTRE TOTEN |
| BRØDRENE HAMMERSTAD AS | 974343320 | OSLO |
| BRØDRENE HANSEN BYGG AS | 997867610 | SIGDAL |
| BRØDRENE HANSEN EIENDOM AS | 981291727 | PORSGRUNN |
| BRØDRENE HANSEN GRAVESERVICE AS | 877021572 | OSLO |
| BRØDRENE HARSJØEN ENTREPRENØR AS | 925696994 | TYNSET |
| BRØDRENE HAUGEN MASKIN OG GRUS AS | 919925604 | NORD-FRON |
| BRØDRENE HAUGSBØ innehaver Ander Haugsbø | 977198682 | SUNNFJORD |
| BRØDRENE HELLAND AS | 976257952 | STRAND |
| BRØDRENE HOFSTAD AS | 884135222 | STJØRDAL |
| BRØDRENE HONNINGDAL AS | 893862862 | VESTNES |
| BRØDRENE JACOBSEN AUT RØRLEGGERBEDRIFT AS | 967866032 | BÆRUM |
| BRØDRENE JOHANNESSEN AS | 859589642 | FREDRIKSTAD |
| BRØDRENE KALLESTEN RØR AS | 914855683 | MIDT-TELEMARK |
| BRØDRENE KARLSEN ANLEGGSDRIFT AS | 997612728 | BALSFJORD |
| BRØDRENE KILLI AS | 981958586 | HARSTAD |