 | SARPSBORG BYGG TORE LILLEBY | 971007990 | SARPSBORG |
| SARPSBORG ELEKTRO AS | 921057474 | SARPSBORG |
| SARPSBORG RØRLEGGERBEDRIFT THOMAS HUGO-VESTBY | 921662823 | SARPSBORG |
| SARTOR BYGG AS | 980380092 | ØYGARDEN |
| SARTOR & DRANGE AS | 957213219 | ØYGARDEN |
| SARTOR VVS AS | 977494893 | ØYGARDEN |
| SAS ELEKTROSERVICE AS | 922956170 | BJØRNAFJORDEN |
| SAT BYGG OG MONTERING AS | 928779777 | TØNSBERG |
| SATS BYGG AS | 996380513 | FROGN |
| SAUDA RØRHANDEL AS | 812584952 | SAUDA |
| SAUDA VARME & BAD AS | 987663901 | SAUDA |
| SAUNDERS ARKITEKTUR AS | 916943067 | BERGEN |
| SAURE BYGG AS | 896439812 | ØRSTA |
| SAVO RØRLEGGERBEDRIFT OG BYGG AS | 926425706 | DRAMMEN |
| SAWI BYGG AS | 915789870 | BÆRUM |
| SB2 UTVIKLING AS | 991056157 | ALTA |
| SB ANLEGGSTJENESTER AS | 998642086 | ORKLAND |
| SB ENTREPRENØR AS | 813190702 | SARPSBORG |
| SBG BYGGPROSJEKT AS | 974484986 | NORDRE LAND |
| S.BOLIG STIAN BJERKHOLT OHNSTAD | 995635593 | LARVIK |
| S B PETTERSEN ELEKTRO AS | 915206557 | OSLO |
| SB-PRO AS | 916005083 | KRISTIANSUND |
| SB RØRSERVICE AS | 924555769 | LIER |
| SBS BYGG ENTREPRENØR AS | 825219412 | EIDSKOG |
| S.B.SYLWESTER BARTOSIK | 898206602 | ASKER |
| SCALA ARKITEKTER AS | 912818063 | OSLO |
| SCANCON AS | 997491068 | SARPSBORG |
| SCANDEC SYSTEMER AS | 935262844 | NORDRE FOLLO |
| SCANDICON BYGGETEKNIK NUF | 971022779 | OSLO |
| SCAN HEIS AS | 858458382 | BERGEN |
| SCAN SURVEY AS | 850397252 | OSLO |
| SCAN VVS AS | 999136613 | SANDNES |
| SCHAU MASKIN AS | 927973820 | NES |
| SCHINDLER AS | 919876522 | VENNESLA |
| SCHJELDERUP ARKITEKTUR AS | 830070842 | STAVANGER |
| SCHJELDERUP TRONDAHL ARKITEKTER AS | 993847100 | LILLESAND |
| SCHJØLBERG & TOMBRE AS | 936816703 | HAMAR |
| SCHJØLL AS | 993909572 | VESTRE TOTEN |
| SCHNEIDER ELECTRIC NORGE AS | 916247389 | OSLO |
| SCHULT BETONG AS | 976111923 | MIDTRE GAULDAL |
| SCHWANITZ DEVELOPMENT AS | 997831454 | BÆRUM |
| SD BYGG OG VENTILASJON AS | 898073742 | INDRE ØSTFOLD |
| SDH BYGG MB | 931692496 | |
| SDK CONSULT AS | 916592477 | RÆLINGEN |
| SDN OPPMÅLING AS | 989384996 | LILLESTRØM |
| SD NORDICS AS | 930081698 | OSLO |
| SDV KLIMA AS | 887658072 | NORDRE FOLLO |
| SEABROKERS FUNDAMENTERING AS | 989580493 | STAVANGER |
| SE-ARKITEKTUR AS | 986536345 | BERGEN |
| SEAS SPJELKAVIK ELEKTRO AS | 980383946 | ÅLESUND |