 | SKYER MASKIN AS | 997482107 | SKIEN |
| SKYTTERMOEN ANLEGG AS | 989991965 | HAMAR |
| SLAATTO RØR AS | 917111839 | SELJORD |
| SLA NORGE AS | 913255682 | OSLO |
| S LARSSEN INSTALLASJON AS | 975972046 | SENJA |
| S&L BYGGSERVICE AS | 927474824 | ÅS |
| SL ENTREPRENØR AS | 828959042 | SKIEN |
| SLETTA BYGGELAG AS | 980407500 | SULA |
| SLETTEDAL VVS AS | 998467675 | TØNSBERG |
| SLETTEN ANLEGG OG TRANSPORT AS | 999292224 | DOVRE |
| SLETTEN ELEKTRO AS | 985727139 | BERGEN |
| SLETTO BYGG AS | 974448955 | GOL |
| SLIDRE BYGG & PROSJEKTERING AS | 979900783 | VESTRE SLIDRE |
| S. LILLESTRØM AS | 992138432 | ALVDAL |
| SL MEKANISKE AS | 987054913 | TIME |
| SLOTSVIK BIL OG MASKIN AS | 945278552 | ÅLESUND |
| SLS MONTASJE AS | 991462252 | OSLO |
| SL'S RØRSERVICE AS | 998839092 | OSLO |
| SL STENLEGGING AS | 888988912 | MOSS |
| SL VVS AS | 930885169 | HURDAL |
| SLYNGSTAD AAMLID ARKITEKTER AS | 971218908 | ÅLESUND |
| SMÅBÅTHAVNER AS | 982953235 | SØR-ODAL |
| SMÅDAHL AS | 880984292 | INDRE ØSTFOLD |
| SMÅGE DRIFT AS | 930307424 | HITRA |
| SMÅJOBB SERVICE AS | 921091095 | KLEPP |
| SMÅØIEN BYGG AS | 996694941 | MELHUS |
| SMA PROSJEKT AS | 989850385 | SARPSBORG |
| SMART BUILDING AS | 923242813 | ASKER |
| SMARTBYGG AS | 926542605 | BERGEN |
| SMART BYGGSERVICE VIKEN AS | 931864807 | HOLMESTRAND |
| SMARTCON AS | 920244548 | BERGEN |
| SMARTE HYTTER AS | 994609106 | NISSEDAL |
| SMART ELEKTRO AS | 915204007 | OSLO |
| SMART RØRLØSNINGER AS | 923686657 | ULLENSAKER |
| SMARTSTRØM AS | 997189582 | LIER |
| SMART VARME AS | 997556623 | BERGEN |
| SMB PROSJEKTERING AS | 929397665 | SANDNES |
| SMEBY JOHNY AUT RØRLEGGERMESTER | 970374337 | OSLO |
| SMEDSLAND SERVICE AS | 920330355 | ÅSERAL |
| SMEDSRUD MASKIN AS | 991262180 | SANDEFJORD |
| SMEDSVIG LANDSKAPSARKITEKTER AS | 918440054 | BERGEN |
| SMELAND BYGGSERVICE AS | 986465871 | EVJE OG HORNNES |
| SMESTAD & VANGSØY RØRSERVICE AS | 933596699 | OSLO |
| SMIHUSET AS | 995323818 | BERGEN |
| SMISTAD MUR OG FLIS AS | 912394433 | KARMØY |
| SMITEK AS | 912820092 | ØSTRE TOTEN |
| SMITH BLIKK OG VENTILASJON AS | 817405142 | KRISTIANSAND |
| SMITH BYGGESYSTEMER AS | 913061799 | RISØR |
| SMØLABYGG AS | 975785548 | SMØLA |
| SM RØRSERVICE AS | 911985527 | ÅLESUND |