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| SPANGEREID BYGG AS | 999074723 | LINDESNES |
| SPAR BYGG AS | 897731312 | OSLO |
| SPAR-BYGG AS | 935540704 | STEINKJER |
| SPARINGEN AS | 916391447 | RINGSAKER |
| SPARK STUDIO AS | 998912989 | TRONDHEIM |
| SPB AS | 929458265 | BRØNNØY |
| SPENNARMERING AS | 950174617 | STJØRDAL |
| SPENNCON AS | 844558082 | RINGERIKE |
| SPERA AS | 817125522 | VERDAL |
| SPILDE ENTREPRENØR AS | 965552782 | VOSS |
| SPINNAKER AS | 986572880 | OSLO |
| SPINN ARKITEKTER AS | 998341914 | OSLO |
| SPIRALTRAPP.NO AS | 932917572 | MOSS |
| SPIR ARKITEKTER AS | 920420877 | TØNSBERG |
| SPLITKON AS | 995806797 | MODUM |
| SPO BYGG OLSEN | 915358543 | ARENDAL |
| SPOR ARKITEKTER AS | 976588614 | OSLO |
| SPORSTØL ARKITEKTER AS | 961181488 | ULSTEIN |
| SPORT OG GRØNTANLEGG AS | 984324707 | VESTBY |
| SPRENGESERVICE AS | 997963644 | SKIPTVET |
| SPRENGNINGSTEKNIKK AS | 938430772 | BERGEN |
| SPRINKLERKONTROLL AS | 934192354 | INDRE FOSEN |
| SPRINKLERKONTROLL & MONTASJE AS | 934094824 | BERGEN |
| SPRINKLER MIDT-NORGE AS | 996452786 | TRONDHEIM |
| SPRINKLER NORGE AS | 912695573 | KRISTIANSAND |
| SPRINKLERPARTNER AS | 991663150 | VESTNES |
| Sprinkler Prosjekt A/S | 945694246 | OSLO |
| SPRINKLERTEKNIKK AS | 825798382 | OSLO |
| SPRINKTEC AS | 926104837 | TIME |
| SP SPRINKLER AS | 934670655 | ULLENSAKER |
| SPYDEBERG UTEMILJØ AS | 995233045 | INDRE ØSTFOLD |
| SPYLE & RØRLEGGERVAKTA AS | 937025599 | RINGERIKE |
| SR BYGG OG ANLEGG AS | 916299257 | RÅDE |
| SR-ENTREPRENØR AS | 919525894 | KLEPP |
| SR-MESTERBYGG AS | 920676111 | FREDRIKSTAD |
| SSP SIKKERHET AS | 994018299 | LILLESTRØM |
| S & S VVS AS | 920598137 | BERGEN |
| STAALE LIE AS | 994985396 | SANDNES |
| STAALESEN BYGG AS | 921260601 | BÆRUM |
| STABEKK BAD AS | 935640962 | BÆRUM |
| STABIL AS | 915868533 | TØNSBERG |
| STADT MASKIN AS | 921016204 | STAD |
| STADUS UAB NUF | 997952510 | |
| STÆRK & CO AS | 921026455 | ARENDAL |
| STÆRK ELEKTRO AS | 934308956 | TVEDESTRAND |
| 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 |
| STANGE ELEKTRISKE AS | 916188331 | STANGE |
| STANGELAND MASKIN AS | 935861330 | SOLA |
| STANLEY BYGG AS | 918594930 | ASKER |
| STANNAH AS | 981375858 | OSLO |
| STAR ELEKTRO AS | 984447647 | BERGEN |
| STÅRHEIM BYGG AS | 923404449 | STAD |
| STARK RØD-KNUDSEN ARKITEKTER AS | 986332065 | HOLMESTRAND |
| STATICUS | 996037207 | OSLO |
| 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 |
| STAVANGER RØR TEKNIKK AS | 930881953 | STAVANGER |
| STAVANGER VARMESENTER AS | 989386867 | STAVANGER |
| STAV ARKITEKTER AS | 831895322 | STAVANGER |
| STAVEN GRUS AS | 924966246 | ØKSNES |
| STAVERN TAKSERING AS | 951945811 | PORSGRUNN |
| STAVE TRANSPORT AS | 919796197 | KRISTIANSAND |
| STAVNEM & VIGRESTAD AS | 880540432 | HÅ |
| STAV OG LAFT AS | 930949205 | GOL |
| STAVRUM BYGG AS | 931785737 | LEVANGER |
| STAVSET BYGG AS | 889722932 | ÅLESUND |
| STAVSETH & LERVIK ARKITEKTER AS | 993795259 | OSLO |
| ST BYGGSERVICE AS | 895521922 | PORSGRUNN |
| STEAM BYGG AS | 934755294 | TROMSØ |
| STEAM CLEAN BUSKERUD AS | 980042448 | DRAMMEN |
| STED ARKITEKTUR AS | 820892852 | SKIEN |
| STED HELHET ARKITEKTUR - SHARK. AS | 987018216 | NORDRE FOLLO |
| STEEL CONSTRUCTION BULAJIC AS | 928100103 | INDRE ØSTFOLD |
| STEELMASTER AS | 936325572 | KRISTIANSAND |
| STEEN EIENDOM ENTREPRENØR AS | 986597514 | ELVERUM |
| STEEN ENTREPRENØR | 912881393 | RINGEBU |
| STEEN & OLSEN AS | 975980715 | SARPSBORG |
| STEFAN EKBERG ARKITEKTER AS | 915843352 | BÆRUM |