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| SYLTE MASKIN AS | 921267029 | HUSTADVIKA |
| SYMRE ARKITEKTER AS | 931705199 | TRONDHEIM |
| SYSTEMAIR AS | 929387384 | SANDNES |
| SYSTEMBLOKK AS | 913289951 | MIDT-TELEMARK |
| SYSTEMBYGG1 AS | 926861182 | INDRE ØSTFOLD |
| SYSTEMCO AS | 993489506 | KRISTIANSAND |
| SYSTEMPROSJEKT INNLANDET AS | 925899763 | VESTRE TOTEN |
| SYSTEM TAK AS | 928555550 | NORDRE FOLLO |
| T-2 PROSJEKT AS | 880120522 | OSLO |
| TAD RØRSERVICE AS | 930077488 | MELHUS |
| TAG BYGG KOMPETANSE AS | 912843122 | BÆRUM |
| TAIAR ELECTRICAL ENGINEERING AS | 831629002 | OSLO |
| TAICO AS | 916030118 | TROMSØ |
| TAKFOKUS AS | 921195222 | VERDAL |
| TAKLE/THØRUD ARKITEKTER AS | 913504577 | OSLO |
| TAKMESTERAN AS | 915313019 | VERDAL |
| TAKMESTEREN AS | 912177122 | LIER |
| TAKMONTASJE AS | 933855171 | LARVIK |
| TAK OG BESLAG AS | 929339746 | GJERDRUM |
| TAK OG PRIS AS | 913272927 | BERGEN |
| TAKPARTNEREN KNUDSEN AS | 986295194 | OSLO |
| TAKSERINGSKONTORET OTTA AS | 911704080 | SEL |
| TAK SERVICE AS | 920961770 | HARSTAD |
| TAKSPESIALISTEN AS | 918297146 | EIGERSUND |
| TAKST 1 AS | 991140786 | TRONDHEIM |
| TAKST 24 AS | 932542471 | ÅLESUND |
| TAKSTARENA INNLANDET AS | 925078743 | RINGSAKER |
| TAKST AS | 989615513 | NES |
| TAKST & BYGGKONTROLL AS | 821130972 | TROMSØ |
| TAKSTFORUM AS | 914998727 | OSLO |
| TAKSTFORUM TELEMARK AS | 918411348 | SKIEN |
| TAKST-FORUM TRØNDELAG AS | 929872487 | TRONDHEIM |
| TAKST-GRUPPEN AS | 998610931 | SANDNES |
| TAKSTGRUPPEN AS | 995705400 | ØSTRE TOTEN |
| TAKSTINGENIØR/BYGGMESTER JAN FRODE LARSEN AS | 888692142 | BERGEN |
| TAKSTKONTORET VALDRES AS | 919176555 | NORD-AURDAL |
| TAKST MÅLENG AS | 995654539 | VÅLER (ØSTFOLD) |
| TAKSTMANN ATLE ARKØY AS | 998463092 | BÆRUM |
| TAKSTMANNEN AS | 999630642 | FROGN |
| TAKST MIDT AS | 823147392 | VERDAL |
| TAKST OG BYGG CONSULT AS | 923798560 | STORD |
| TAKST OG BYGGFORUM AS | 912432408 | OSLO |
| TAKST SØR AS | 988442623 | LYNGDAL |
| TAKST TEAM AS | 911571757 | STAVANGER |
| TAKSTTEAM VESTERÅLEN AS | 997923472 | SORTLAND |
| TAKST & VINDU SPESIALISTEN AS | 916607369 | OSLO |
| TAKSYSTEM AS | 930638153 | BODØ |
| TAKTEKKER FRANTZEN EFTF. AS | 968013998 | BERGEN |
| TAKTEKKERMESTER BJØRN SCHRAMM AS | 998062144 | MODUM |