 | STORVIK GÅRD AS | 929418689 | GILDESKÅL |
| STORVIK MASKIN AS | 955904079 | HUSTADVIKA |
| STØYB AS | 927482568 | SANDNES |
| STØYP-IT AS | 819257132 | VESTVÅGØY |
| STØYP-IT - LOFOTGULV AS | 935318254 | VESTVÅGØY |
| STRÅ ARKITEKTER AS | 922616140 | OSLO |
| STRACON AS | 980770265 | ØYGARDEN |
| STRANDA ANLEGGSSERVICE AS | 879345332 | STRANDA |
| STRANDA RØRSERVICE AS | 976011007 | STRANDA |
| STRAND AS | 918442146 | BERGEN |
| STRAND BYGG AS | 981883152 | STRAND |
| STRAND FORSKALING AS | 919460377 | STRAND |
| STRANDHEIM PER OLE | 969193515 | NORD-FRON |
| STRAND/ LØKEN ARKITEKTER AS | 993445959 | OSLO |
| STRANDMAN AS | 974280698 | SANDEFJORD |
| STRAND OG ENGER ANLEGG AS | 928601870 | SIGDAL |
| STRAND RØR AS | 933886557 | STRAND |
| STRANDSKOGEN ARKITEKTER AS | 936400671 | OSLO |
| STRAUME ELEKTRISKE AS | 996619583 | ØYGARDEN |
| STRAUME MESTERBYGG AS | 984398581 | ØYGARDEN |
| STRAUME RØR AS | 821330742 | ØYGARDEN |
| STRAUME TEKNISKE AS | 998766834 | ØYGARDEN |
| STRAUME VÅTROM AS | 911838346 | ØYGARDEN |
| STRAYE HYBRIDBYGG AS | 932538105 | FREDRIKSTAD |
| STRAYE INDUSTRI AS | 931004603 | FREDRIKSTAD |
| STRAYE STÅLBYGG AS | 991664459 | FREDRIKSTAD |
| STRAYE TAK AS | 929418514 | FREDRIKSTAD |
| STRINDA BYGG AS | 920649297 | TRONDHEIM |
| STRINDA RØRSERVICE AS | 911920182 | TRONDHEIM |
| STRØMBYGG Strøm | 985834164 | OSLO |
| STRØM GUNDERSEN AS | 961023823 | DRAMMEN |
| STRØMMEN AS | 948926814 | TØNSBERG |
| STRØMMEN EL-INSTALLASJON AS | 983188796 | LILLESTRØM |
| STRØMMEN KERAMISKE HÅNDVERK AS | 977302218 | LILLESTRØM |
| STRØMMEN RØRLEGGERBEDRIFT AS | 979753128 | LILLESTRØM |
| STRØMSHEIM BYGG AS | 912444759 | ÅLESUND |
| STRUCTOR GEOMILJØ AS | 915079318 | OSLO |
| STRUCTOR LILLEHAMMER AS | 913254449 | LILLEHAMMER |
| STRUCTOR OSLO AS | 913455991 | OSLO |
| STRUCTOR TEKNISKE SYSTEMER AS | 918371680 | OSLO |
| STRUCTOR TEKNISK RÅDGIVNING AS | 917593558 | FREDRIKSTAD |
| STRUCTOR TRONDHEIM AS | 920901468 | TRONDHEIM |
| STRUCTOR VANN AS | 929286561 | OSLO |
| STRUCTOR VESTFOLD AS | 918816976 | SANDEFJORD |
| STRUKTURAS AS | 963175094 | PORSGRUNN |
| STRUTEK AS | 915649165 | BERGEN |
| STRYVO AS | 992808314 | STRYN |
| STS VAKTMESTERTJENESTER AS | 927249162 | FRØYA |
| STUBBAN INGENIØR AS | 928526267 | OSLO |
| STUBBERUD ANLEGG AS | 914811104 | RAKKESTAD |
| STUBBERUD EIENDOMSSERVICE AS | 917664730 | VÅLER (ØSTFOLD) |
| STUBBERUD VVS AS | 934420063 | OSLO |
| STUBSON AS | 926416995 | MELHUS |
| STUBSTAD BETONG AS | 927167913 | KRISTIANSAND |
| STUDIO GORILLA AS | 924520450 | OSLO |
| STUDIO H6 AS | 927700166 | OSLO |
| STUDIO HEIMAT AS | 925836982 | OSLO |
| STUDIO LON AS | 821845572 | 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 |
| SVAKSTRØM AS | 934237374 | STAVANGER |
| 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 |