 | SMART ELEKTRO AS | 915204007 | OSLO |
| SMART RØR AS | 923255788 | TØNSBERG |
| SMART RØRLØSNINGER AS | 923686657 | ULLENSAKER |
| SMARTSTRØM AS | 997189582 | LIER |
| SMART TAK AS | 929150953 | SANDEFJORD |
| SMART VARME AS | 997556623 | BERGEN |
| SMARTVENT AS | 914910293 | BIRKENES |
| SMB PROSJEKTERING AS | 929397665 | SANDNES |
| SMEBY JOHNY AUT RØRLEGGERMESTER | 970374337 | OSLO |
| SMEBY'S AS | 998679125 | ASKER |
| SMEDSRUD MASKIN AS | 991262180 | SANDEFJORD |
| SMEDSVIG LANDSKAPSARKITEKTER AS | 918440054 | BERGEN |
| SMELAND BYGGSERVICE AS | 986465871 | EVJE OG HORNNES |
| SMESTAD RØR AS | 934899598 | OSLO |
| SMESTAD & VANGSØY RØRSERVICE AS | 933596699 | OSLO |
| SMIHUSET AS | 995323818 | BERGEN |
| SMISTAD MUR OG FLIS AS | 912394433 | KARMØY |
| SMITEK AS | 912820092 | ØSTRE TOTEN |
| SMITH BLIKK OG VENTILASJON AS | 817405142 | KRISTIANSAND |
| SMITH BYGGESYSTEMER AS | 913061799 | RISØR |
| SM PROSJEKT AS | 937085095 | PORSGRUNN |
| SM RØRSERVICE AS | 911985527 | ÅLESUND |
| SM VENTI AS | 931142402 | ØYGARDEN |
| SMYKKEBYGG AS | 920391532 | INDRE ØSTFOLD |
| SN BYGGSERVICE AS | 998269180 | ØYGARDEN |
| SNEKKER ANDERSEN | 921695187 | SURNADAL |
| SNEKKER ANGELL AS | 930723827 | NAMSOS |
| SNEKKER ASPHAUG AS | 921198892 | OSLO |
| SNEKKER BECK | 935515580 | STJØRDAL |
| SNEKKER BRANDAL AS | 919599758 | KRISTIANSAND |
| SNEKKER EDSETH AS | 932199971 | ULLENSAKER |
| SNEKKEREMIL AS | 818425392 | GAUSDAL |
| SNEKKER ENGEBRETSEN AS | 816457262 | ASKER |
| SNEKKEREN TAWASSULI | 927229641 | SKIEN |
| SNEKKERFIRMA TOR EIVIND HAGEN AS | 922847053 | ULLENSAKER |
| SNEKKERHALLEN AS | 915577172 | DRAMMEN |
| SNEKKERKARA AS | 914045916 | GJERDRUM |
| SNEKKERKOMPANIET AS | 948841193 | TØNSBERG |
| SNEKKERKOMPANIET AS | 956706246 | OSLO |
| SNEKKER KRISTOF, SZWAJCER | 920210309 | SØMNA |
| SNEKKERMESTER VIGGO REMMAN AS | 930455393 | NARVIK |
| SNEKKER NORDANG-SELNES AS | 934540131 | TROMSØ |
| SNEKKER OG MALERSERVICE AS | 915864414 | SURNADAL |
| SNEKKER OPDAL AS | 932145960 | TRONDHEIM |
| SNEKKER ROGER LILLEBO AS | 993769266 | STJØRDAL |
| SNEKKERSEN AS | 924986778 | NARVIK |
| SNEKKERSERVICE GRENLAND AS | 999184251 | SKIEN |
| SNEKKERSTIG AS | 911594099 | OSLO |
| SNEKKER-TEAM AS | 996501248 | MOLDE |
| SNEKKERTEAM AS | 997794362 | SARPSBORG |
| SNEKRA AS | 996250687 | BÆRUM |
| SNEKRETARIATET AS | 998585724 | OSLO |
| SNERSRUD & PEDERSEN AS | 922609993 | ASKER |
| SNERTINGDAL BYGG & GRAVESERVICE AS | 891602502 | GJØVIK |
| SNERTINGDAL RØRLEGGERBEDRIFT AS | 926826271 | GJØVIK |
| SNIKKERGUTANE AS | 916016301 | ÅLESUND |
| SNIKKERN AS | 914050359 | ÅLESUND |
| SNILEHUSET AS | 926418521 | OSLO |
| SNJ BYGG & MONTASJE AS | 936930158 | TRONDHEIM |
| SN MASKIN AS | 929574818 | ALTA |
| SNÖ ARKITEKTER AS | 932865211 | KRISTIANSAND |
| SNØHETTA OSLO AS | 995135485 | OSLO |
| SNOR-RETT AS | 933412407 | NES |
| SN STÅLBYGG AS | 990944636 | STORD |
| SØBSTAD AS | 921231849 | TRONDHEIM |
| SOFIA JOHANSSON | 995773880 | OSLO |
| SØGÅRD OLE JACOB | 970352325 | NES |
| SOGNEHUS AS | 998619815 | SOGNDAL |
| SOGN ELEKTRO AS | 911755920 | SOGNDAL |
| SOGN ENTREPRENØR AS | 992106905 | LUSTER |
| SØGNE RØR AS | 915453058 | KRISTIANSAND |
| SOGN KJØLESERVICE AS | 976000714 | SOGNDAL |
| SOGN RØYR AS | 989582127 | SOGNDAL |
| SOKNA RØR AS | 928989917 | MIDTRE GAULDAL |
| SOKNA VVS NUF | 995590581 | RINGERIKE |
| SOLA BYGG AS | 994641719 | SOLA |
| SOLAN ANLEGG AS | 934884361 | DRAMMEN |
| SOLARK LUEDEMANN | 989798251 | FÆRDER |
| SOLA RØR AS | 933074498 | SOLA |
| SOLBAKKEN BYGG | 820352122 | DRAMMEN |
| SOLBERG ARKITEKTER AS | 926950533 | OSLO |
| SOLBERG ELEKTROINSTALLASJON AS | 951274496 | RINGSAKER |
| SOLBERG HAGE & ANLEGG AS | 915355110 | RÅDE |
| SOLBERG MASKIN AS | 999327869 | TRONDHEIM |
| SOLBERG VVS SERVICE AS | 892258902 | HOLMESTRAND |
| SOLBJØR AS | 977337232 | KRISTIANSUND |
| SOLBØ PROSJEKT AS | 999228682 | SENJA |
| SOLBRO AS | 927581612 | FÆRDER |
| SOLBYEN ANLEGG AS | 935865255 | SARPSBORG |
| SOLBYGG SØR AS | 914274850 | LINDESNES |
| SOLCELLEKRAFT AS | 919997400 | ØYGARDEN |
| SOLEM VERKSTED | 968650181 | MIDTRE GAULDAL |
| SOLHAUGEN BYGG AS | 999184596 | LILLESTRØM |
| SOLHAUG RØR AS | 933818195 | VÅGAN |
| SOLHEIM BYGG AS | 915460720 | ASKER |
| SOLHEIM BYGG OG VVS AS | 998054273 | LØRENSKOG |
| SOLHEIM OG LARSEN KLIMA AS | 999317391 | NORDRE FOLLO |
| SOLHEIM VARME & RØYRSERVICE AS | 932744570 | SOGNDAL |
| SOLID BYGGPARTNER AS | 930706507 | OSLO |
| SOLID BYGG STAVANGER AS | 916652968 | STAVANGER |