 | SANTER NATURSTEIN AS | 922936811 | SANDNES |
| SANVARM AS | 977245508 | OSLO |
| SARPSBORG ELEKTRO AS | 921057474 | SARPSBORG |
| SARTOR BYGG AS | 980380092 | ØYGARDEN |
| SARTOR & DRANGE AS | 957213219 | ØYGARDEN |
| SARTOR VVS AS | 977494893 | ØYGARDEN |
| SARUNAS SIDARAS /RØRLEGGER | 916331029 | SVEIO |
| SAS ELEKTROSERVICE AS | 922956170 | BJØRNAFJORDEN |
| SATS BYGG AS | 996380513 | FROGN |
| SAUDA INSTALLASJON AS | 976538935 | SAUDA |
| SAUDA RØRHANDEL AS | 812584952 | SAUDA |
| SAUDA VARME & BAD AS | 987663901 | SAUDA |
| SAUNDERS ARKITEKTUR AS | 916943067 | BERGEN |
| SAURE BYGG AS | 896439812 | ØRSTA |
| SAU & SÅNT AS | 920913636 | KVINNHERAD |
| SAVO RØRLEGGERBEDRIFT OG BYGG AS | 926425706 | DRAMMEN |
| SAWI BYGG AS | 915789870 | BÆRUM |
| SB2 UTVIKLING AS | 991056157 | ALTA |
| SB ANLEGG AS | 927049813 | NOTODDEN |
| 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 SERVICE AS | 933244539 | LILLEHAMMER |
| S.B.SYLWESTER BARTOSIK | 898206602 | ASKER |
| SB VVS AS | 936587429 | TVEDESTRAND |
| SCALA ARKITEKTER AS | 912818063 | OSLO |
| SCANCON AS | 997491068 | SARPSBORG |
| SCANDEC SYSTEMER AS | 935262844 | NORDRE FOLLO |
| SCANDICON AS | 935272602 | OSLO |
| SCAN DRILLING AS | 929709187 | SANDEFJORD |
| SCAN HEIS AS | 858458382 | BERGEN |
| SCANMAST AS | 915115829 | OSLO |
| 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 |
| SCHNEIDER ELECTRIC OPCO NORWAY AS | 935916968 | OSLO |
| SCHNELL RØRLEGGERSERVICE AS | 966806095 | KRISTIANSUND |
| SCHULT BETONG AS | 976111923 | MIDTRE GAULDAL |
| SCHÜTZ BYGG AS | 997671309 | HAUGESUND |
| SCHWANITZ DEVELOPMENT AS | 997831454 | BÆRUM |
| SD BYGG OG VENTILASJON AS | 898073742 | INDRE ØSTFOLD |
| SD CONSTRUKTION AS | 934899385 | LILLEHAMMER |
| SD ENTREPRENØR AS | 922170916 | OSLO |
| SDH BYGG MB | 931692496 | |
| SDK CONSULT AS | 916592477 | RÆLINGEN |
| SD NORDICS AS | 930081698 | OSLO |
| SDV KLIMA AS | 887658072 | NORDRE FOLLO |
| SDV PROSJEKT AS | 988021822 | NORDRE FOLLO |
| SEABROKERS FUNDAMENTERING AS | 989580493 | STAVANGER |
| SE-ARKITEKTUR AS | 986536345 | BERGEN |
| SEAS SPJELKAVIK ELEKTRO AS | 980383946 | ÅLESUND |
| SEBB AS | 964419620 | SKJÅK |
| SEBY AS | 948829703 | LILLESTRØM |
| SE-BYGGSERVICE AS | 965143661 | SORTLAND |
| SEEDS ARKITEKTUR & KONSEPT NICOLE SCHALIN | 995683644 | NESODDEN |
| SEERUP AS | 950913061 | KLEPP |
| SEG ENTREPRENØR AS | 897012812 | FLÅ |
| SEGLEM PETTER EGIL | 970394575 | EIGERSUND |
| SEIERHUS AS | 989510037 | EIDSVOLL |
| SEIERSTAD PELEMASKINER AS | 987580739 | BÆRUM |
| SEIL ARKITEKTER AS | 992713313 | KRISTIANSAND |
| SEIM BYGG AS | 984330324 | ALVER |
| SEIM MASKIN AS | 994321102 | SANDEFJORD |
| SEIPPEL AS | 911563622 | SANDEFJORD |
| SEKO ELEKTRO AS | 963825250 | LILLESTRØM |
| SEKSE BYGG OG ISOLASJON AS | 935831180 | ULLENSVANG |
| S.EKTVEDT AS | 934409299 | TØNSBERG |
| SELAND SKAILAND GRUPPEN AS | 935988772 | FLEKKEFJORD |
| SELBAK BLIKKENSLAGERVERKSTED AS | 957492614 | FREDRIKSTAD |
| SELBAK RØR AS | 920173691 | FREDRIKSTAD |
| SELBERG ARKITEKTER AS | 924003073 | TRONDHEIM |
| SELBOE BYGG AS | 980378039 | SELBU |
| SELBU BOLIGSYSTEM AS | 976593626 | SELBU |
| SELBU VVS AS | 993332720 | SELBU |
| SELDAL MASKIN AS | 999322255 | SANDNES |
| SELEBØ RØRSERVICE AS | 996629325 | SOKNDAL |
| SELFORS INSTALLASJON AS | 884698022 | SØR-VARANGER |
| SELØY UNDERVANNSSERVICE AS | 943488185 | HERØY (N.) |
| SELTOR AS | 915617344 | PORSGRUNN |
| SELVEN BYGG AS | 918353453 | TRONDHEIM |
| SELVIK BYGGESERVICE AS | 994968173 | BERGEN |
| SENJABYGG AS | 940051398 | SENJA |
| SENNESETH BETONG & ANLEGG AS | 915614574 | RINGERIKE |
| SENNIT AS | 929242785 | HARSTAD |
| SENTRONIK AS | 992905409 | KINN |
| SENTRUMBYGG AS | 983552382 | EIGERSUND |
| SENTRUM RØR AS | 977369711 | VOLDA |
| SEQUOIA UTVIKLING AS | 923790756 | OSLO |
| SERAFIN BYGGSERVICE AS | 926969099 | BERGEN |
| SERVICEALLIANSEN AS | 957246575 | BERGEN |
| SERVICE BN BYGG AS | 917840946 | TRONDHEIM |
| SERVICE ELEKTRIKEREN AS | 966291192 | BERGEN |