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| BASIS ARKITEKTER AS | 977278333 | KRISTIANSAND |
| BASIS BYGG AS | 884550432 | TRONDHEIM |
| BAS PROSJEKT AS | 924446277 | OSLO |
| BASSENGSPESIALISTEN AS | 916162979 | MOSS |
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| BAUTA BYGG AS | 930045020 | VESTNES |
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| BBE TAKST AS | 978658466 | SANDNES |
| BB MASKINDRIFT AS | 813366282 | ELVERUM |
| B CONSULT AS | 948892316 | OSLO |
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| BD RØRSERVICE AS | 929651154 | LØRENSKOG |
| BD TAK AS | 934053931 | DRAMMEN |
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| BECK OG BIE BYGG AS | 917876045 | DRAMMEN |
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| BELLING MASKIN AS | 913588304 | INDRE FOSEN |
| BELOTECH Ing B Lorentsen | 971235012 | IBESTAD |
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