 | SJÅSTAD MASKIN AS | 992080736 | HOL |
| SJ DESIGN AS | 921342829 | OSLO |
| SJEMMEDALHYTTA AS | 985445583 | ÅL |
| SJOA LAFT & RESTAURERING AS | 914985684 | SEL |
| SJØENTREPRENØREN AS | 980649504 | BERGEN |
| SJO FASTING AS | 966811714 | SANDNES |
| SJØSAND AS | 898214982 | BODØ |
| SJØVEGAN MASKIN & TRANSPORT AS | 937997124 | SALANGEN |
| SJUE VIDAR | 970287590 | FÆRDER |
| SJURELV RØR AS | 926120492 | TROMSØ |
| SJUSJØEN BYGGSERVICE AS | 994211129 | RINGSAKER |
| SKAAG ENTREPRENØR AS | 928159647 | GRAN |
| SKAANE ARKITEKTUR AS | 923244077 | OSLO |
| SKAARA ARKITEKTER AS | 965004211 | OSLO |
| SKAARA SPESIALVINDUER AS | 989006592 | EIGERSUND |
| SKAARET LANDSKAP AS | 970983295 | ASKER |
| SKAARLAND & VASVIK ENTREPRENØR AS | 920995217 | SANDNES |
| SKABEX AS | 997667859 | MELØY |
| SKÅBU TRADISJONSBYGG AS | 979585985 | NORD-FRON |
| SKAGE ENTREPRENØR AS | 931747304 | ØYGARDEN |
| SKAHJEM BYGG AS | 989177338 | GULEN |
| SKAIMAR BYGG AS | 922336792 | ENEBAKK |
| SKÅLAND RØR & INDUSTRIMONTASJE AS | 987571667 | SOKNDAL |
| SKALA RÅDGIVENDE INGENIØRER AS | 913630475 | BERGEN |
| SKALLANDSLIA HYTTEFELT AS | 989025449 | SIGDAL |
| SKALLEBERG GRAVESERVICE AS | 916583095 | SANDEFJORD |
| SKANDITEK AS | 914958482 | LILLESTRØM |
| SKANDSEN BYGG AS | 813131692 | EIGERSUND |
| SKANKE STÅL & SVEIS AS | 875785052 | TRONDHEIM |
| S.K ANLEGG & MASKINUTSTYR AS | 921325231 | ØYGARDEN |
| SKANSKA HUSFABRIKKEN AS | 977085551 | STEINKJER |
| SKANSKA NORDIC AS | 827810282 | RÆLINGEN |
| SKANSKA NORGE AS | 943049467 | OSLO |
| SKAPE ENTREPRENØR AS | 996414507 | LILLESTRØM |
| SKAPELIG BYGG AS | 922165696 | BERGEN |
| SKÅR BYGG AS | 890750362 | ØRSTA |
| SKÅRHAUG TAKTEKK AS | 980249662 | STAD |
| SKÅRLAND BYGG AS | 921040032 | GJESDAL |
| SKARPENES RØR AS | 911931729 | ALVER |
| SKARPSNO ELEKTRO AS | 987183829 | RINGSAKER |
| SKARSBYGG AS | 916491638 | ÅLESUND |
| SKARSTEIN BYGG AS | 914102243 | ALTA |
| SKARSTEIN & WALAKER AS | 982431700 | STRYN |
| SKARSVÅG RØR OG INTERIØR AS | 979679149 | ALVER |
| SKATHO ANLEGG AS | 927537648 | INDRE ØSTFOLD |
| SKAUG & CHRISTOFFERSEN AS | 923261842 | RINGERIKE |
| SKAUN BETONGBYGG AS | 929348389 | SKAUN |
| SK BAKKEN BYGG AS | 985416044 | RINGSAKER |
| SK BYGG AS | 952071416 | TYNSET |
| SKBYGG AS | 923309039 | KRISTIANSAND |