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| SPYDEBERG UTEMILJØ AS | 995233045 | INDRE ØSTFOLD |
| SRA/ AS | 931119516 | OSLO |
| SR BYGG AS | 997411064 | KRISTIANSAND |
| SR BYGG OG ANLEGG AS | 916299257 | RÅDE |
| SR-ENTREPRENØR AS | 919525894 | KLEPP |
| SR-MESTERBYGG AS | 920676111 | FREDRIKSTAD |
| S-RØR AS | 913013859 | VERDAL |
| SR TOBIASSEN AS | 918533818 | LILLESAND |
| SSP SIKKERHET AS | 994018299 | OSLO |
| STAALE LIE AS | 994985396 | SANDNES |
| STABIL AS | 915868533 | TØNSBERG |
| STAD KYSTBYGG AS | 917022429 | STAD |
| STADT MASKIN AS | 921016204 | STAD |
| STAD VVS AS | 995607441 | STAD |
| STÆRK & CO AS | 921026455 | ARENDAL |
| STAFR CONSULTING AS | 826942002 | STAVANGER |
| STAFSETH MASKIN AS | 978689477 | ÅLESUND |
| STAKE & GRAVE SERVICE AS | 936775454 | OSLO |
| STAKKELAND AS | 989994506 | KVINESDAL |
| STÅLBETONG KONSTRUKSJON AS | 924576324 | ULLENSAKER |
| STÅLBYGG AS | 913129059 | FREDRIKSTAD |
| STÅL-CONSULT AS | 943706395 | KRISTIANSAND |
| STÅLE HANSEN GRAVESERVICE AS | 931673149 | DRAMMEN |
| STÅLE KIRKAUNE AS | 913850009 | ORKLAND |
| STÅLE STRØMSVOLD | 987216018 | STAVANGER |
| STÅLKONSTRUKSJON AS | 891156812 | NITTEDAL |
| STÅL OG GLASS AS | 924847433 | OSLO |
| STÅL- OG LANDBRUKSBYGG AS | 890108512 | LARVIK |
| STÅLTEKNIKK AS | 943828830 | TIME |
| STANDARD MUR KJETIL HØVA JOHANSEN | 898925072 | NESODDEN |
| STANDARD RØR AS | 925433004 | OSLO |
| STANGBORLI BYGG AS | 914768888 | FLEKKEFJORD |
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| STANGELAND MASKIN AS | 935861330 | SOLA |
| STANGNES SERVICE | 911660733 | EIDSKOG |
| STANLEY BYGG AS | 918594930 | BÆRUM |
| STANNAH AS | 981375858 | OSLO |
| STÅRHEIM BYGG AS | 923404449 | STAD |
| STARK RØD-KNUDSEN ARKITEKTER AS | 986332065 | DRAMMEN |
| STAR RØRLEGGERSERVICE AS | 925540145 | LILLESTRØM |
| STAS-BYGG OG REHABILITERING AS | 916857713 | NORDRE FOLLO |
| STATIGA AS | 926677969 | NITTEDAL |
| STAURBAKK AS | 819328692 | BODØ |
| STAVANGERHYTTEN AS | 999150314 | STAVANGER |
| STAVANGER INSTALLASJON AS | 952709003 | STAVANGER |
| STAVANGER KLIMA AS | 986001883 | SANDNES |
| STAVANGER MASKIN AS | 819656312 | STAVANGER |
| STAVANGER RØRLEGGER SERVICE AS | 926829564 | STAVANGER |