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| STYRVOLL VVS Lars J Hellenes | 986076336 | LARVIK |
| SUBMET ENTREPRENØR AS | 922114137 | OSLO |
| SUBSHORE.NO AS | 912211843 | STORD |
| SULDAL HYTTEBYGG AS | 986193677 | SULDAL |
| SULDAL SERVICE AS | 821493412 | SULDAL |
| SULDAL VVS AS | 927117975 | SULDAL |
| SULKOWSKI RØR | 927853116 | SULA |
| SUND BYGG AS | 915897568 | ASKER |
| SUNDBY 'S RØRLEGGERBEDRIFT | 931443429 | BARDU |
| SUNDE HAGESERVICE AS | 938017549 | SOLA |
| SUNDET TRANSPORT & GRAVING AS | 892598762 | LARVIK |
| 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 GEO CENTER AS | 998899834 | ASKVOLL |
| SUNNFJORD INGENIØRTENESTE AS | 890279872 | SUNNFJORD |
| SUNNFJORD MASKIN AS | 992501693 | SUNNFJORD |
| SUNNFJORD RØR AS | 991639489 | SUNNFJORD |
| SUNNIVA AS | 976604598 | OSLO |
| SUNNMØRE BYGGSERVICE AS | 926673971 | ÅLESUND |
| 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 |
| SVALLAND VVS AS | 980234711 | BERGEN |
| SVARTANGEN MASKIN AS | 914841704 | SILJAN |
| SVARTISEN VVS AS | 912319334 | MELØY |
| SVEA ENTREPRENAD AS | 925885673 | OSLO |
| SVEBERG RØR AS | 919853409 | VERDAL |
| SVEBO ØYSTEIN BØHLER | 970291792 | OSLO |
| SVEEN MEKANISKE AS | 939219587 | SURNADAL |
| SVEHAUG ENTREPRENØR AS | 994547054 | KARMØY |
| SVEIN ANDVIK AS | 935199050 | MASFJORDEN |
| 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 |