 | STUDIO HEIMAT AS | 925836982 | OSLO |
| STUDIONSW AS | 941742653 | HAMAR |
| STUDIO OSLO LANDSKAPSARKITEKTER AS | 918152458 | OSLO |
| STUDIO TAVARE AS | 930077097 | OSLO |
| STUDIO TUVA AS | 933878732 | OSLO |
| STYRVOLL VVS Lars J Hellenes | 986076336 | LARVIK |
| SUBMARA PROSJEKT AS | 927610418 | ASKER |
| SUBMET ENTREPRENØR AS | 922114137 | OSLO |
| SUBSHORE.NO AS | 912211843 | STORD |
| SUCONSULT AS | 991318577 | SURNADAL |
| SULDAL BYGG AS | 986193677 | SULDAL |
| SULDAL SERVICE AS | 821493412 | SULDAL |
| SUND BYGG AS | 915897568 | ASKER |
| SUNDBY 'S RØRLEGGERBEDRIFT | 931443429 | BARDU |
| SUNDE HAGESERVICE AS | 938017549 | SOLA |
| SUNDET TRANSPORT & GRAVING AS | 892598762 | LARVIK |
| SUNDQUIST AS | 996380602 | SØR-VARANGER |
| SUNDSHAMMARN AS | 997113454 | BØ (NORDLAND) |
| SUNDT & THOMASSEN AS | 932003031 | LIER |
| SUNDVOR MUR OG FLIS | 912810607 | BJERKREIM |
| SUNDVOR VVS AS | 983430643 | SANDNES |
| SUNNFJORD BYGG AS | 996968804 | SUNNFJORD |
| SUNNFJORD ELEKTRO AS | 995394405 | SUNNFJORD |
| SUNNFJORD INGENIØRTENESTE AS | 890279872 | SUNNFJORD |
| SUNNFJORD MASKIN AS | 992501693 | SUNNFJORD |
| SUNNHORDLAND ANLEGG AS | 932838915 | BØMLO |
| SUNNMØRE MASKIN AS | 958594615 | ØRSTA |
| SUNNMØRE VENTILASJON AS | 882932222 | HERØY (MØRE OG ROMSDAL) |
| SUNN RØR AS | 997441885 | FJORD |
| SUPERBGULV AS | 918835369 | HUSTADVIKA |
| SURNADAL VARME & SANITÆR AS | 984205341 | SURNADAL |
| SVABERG ARKITEKTUR OG PLAN AS | 995126141 | KRISTIANSAND |
| SVAL ARKITEKTUR AS | 922134766 | BERGEN |
| SVALBARD BYGG AS | 896674072 | SVALBARD |
| SVALINN AS | 977379415 | BERGEN |
| SVANEVIK VVS AS | 922602794 | BERGEN |
| SVARTANGEN MASKIN AS | 914841704 | SILJAN |
| SVARTISEN VVS AS | 912319334 | MELØY |
| SVEBERG RØR AS | 919853409 | VERDAL |
| SVEBO ØYSTEIN BØHLER | 970291792 | OSLO |
| SVECAT AS | 918264841 | ANDØY |
| SVEEN MASKINDRIFT AS | 937480415 | GAUSDAL |
| SVEEN MEKANISKE AS | 939219587 | SURNADAL |
| SVEINE BYGG AS | 936243363 | ENEBAKK |
| SVEIN EIDE AUTORISERT RØRLEGGERMESTER AS | 965798250 | ØVRE EIKER |
| SVEINGARD MASKIN | 993509884 | HOL |
| SVEIN HAUG & SØNNER AS | 917602182 | ENEBAKK |
| SVEIN HØKSAAS AS | 990654441 | LINDESNES |
| SVEIN HOKSRUD | 932546922 | TJELDSUND |
| SVEIN LITLESKARE MASKINSTASJON AS | 998121663 | ALVER |
| SVEIN LØKEN EFTF AS | 923097945 | KONGSBERG |
| SVEIN LØKENFLAEN RØRLEGGERSERVICE AS | 988896616 | NORDRE FOLLO |
| SVEIN LUND ISOLERING AS | 989058452 | SARPSBORG |
| SVEIN MO AS | 975991954 | MODALEN |
| SVEIN ROAR ANDERSEN AS MURMESTER- ENTREPRENØRFORRETNING | 957726542 | DRAMMEN |
| SVEIN ROPPEN AS | 947520458 | ULSTEIN |
| SVEIN THOMASSEN AS | 921587171 | ALTA |
| SVEIN TORE LYSGAARD AS | 992288221 | LILLEHAMMER |
| SVEINUNG BORGEN AS | 913104897 | BJØRNAFJORDEN |
| Sveio Byggsenter A/S | 945732202 | SVEIO |
| SVEISEMEKANIKK AS | 982796016 | SANDEFJORD |
| SVEISTRUP AS | 993334618 | AURSKOG-HØLAND |
| SVELA BYGG AS | 916991452 | SANDNES |
| SVELA TØMRERTJENESTER AS | 925409472 | BJERKREIM |
| SVELVIK GRAVING OG TRANSPORT AS | 979300158 | DRAMMEN |
| SVELVIK VARME & SANITÆR AS | 931369075 | DRAMMEN |
| SVENDBY BYGG CONSULT AS | 967221309 | EIDSVOLL |
| SVENDSBY BYGG AS | 916765185 | HALDEN |
| SVENDSEN BYGG AS | 933227448 | KRISTIANSAND |
| SVENDSEN GLASS AS | 988569151 | BERGEN |
| SVENDSEN MASKIN AS | 983482457 | DYRØY |
| SVENDSEN RØR AS | 941661653 | SENJA |
| SVENNINGDAL MASKINSTASJON AS | 923767657 | GRANE |
| SVENN NYSTRAND BYGG AS | 934915127 | ARENDAL |
| SVENSEN MASKIN AS | 916484178 | LILLESTRØM |
| SVERRE BAKKA MASKIN | 970587616 | NOTODDEN |
| SVERRE CASPERSEN AS | 881868652 | HALDEN |
| SVERRE FOSS BLIKKENSLAGERVERKSTED AS | 911781352 | HOLMESTRAND |
| SVERRE HAVIK AS | 956888719 | NAMSOS |
| SVERRE ISACHSEN ANLEGG & TRANSPORT AS | 986503781 | ØVRE EIKER |
| SVERRE KALLEKLEV AS | 920705596 | TYSVÆR |
| SVERRE PETTERSEN AS | 957861539 | ØRLAND |
| SVERRE ROALD AS | 984747039 | GISKE |
| SVERRE TENNEBØ RØR AS | 938358184 | KINN |
| SVERVERMOEN BAKKEHAUG AS | 984319398 | EIDSVOLL |
| SVIDAL ENTREPRENØR AS | 922561885 | KINN |
| SVIGGUM VVS | 991230130 | HOL |
| SVINØ ENTREPRENØR AS | 952320017 | ÅLESUND |
| SVOLVÆR MASKINSTASJON AS | 987960329 | VÅGAN |
| SVOLVÆR RØR AS | 989117548 | VÅGAN |
| SVORKDAL-OPØIEN BYGG AS | 912086135 | ORKLAND |
| SVVS AS | 993538590 | OSLO |
| SWECO ARCHITECTS AS | 894607262 | OSLO |
| SWECO NORGE AS | 967032271 | OSLO |
| SWETCH AS | 919039183 | OSLO |
| SYDBYGG AS | 935505925 | SANDEFJORD |
| SYD ELEKTRO AS | 933812634 | KRISTIANSAND |
| SYDVEST ARKITEKTUR AS | 916029659 | KRISTIANSAND |
| SYKKYLVEN MASKIN AS | 998521424 | SYKKYLVEN |
| SYLJUÅSEN AS | 983469094 | GJØVIK |