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| STENBY & OLSEN AS | 914569532 | AURSKOG-HØLAND |
| STENDAL VVS AS | 980626180 | ALVER |
| STENE BYGG OG VÅTROM AS | 930091529 | FREDRIKSTAD |
| STENE JOHANSEN AS | 998643511 | INDRE ØSTFOLD |
| STENERUD BYGGSERVICE AS | 884332702 | LØRENSKOG |
| STENERUD RØRSERVICE AS | 932868733 | LØRENSKOG |
| STENE TØMRERSERVICE AS | 992779098 | FROSTA |
| STEN GRANBERG | 858031222 | DRAMMEN |
| STENKON AS | 926800299 | ØSTRE TOTEN |
| STENSBYGG AS | 976289730 | SOGNDAL |
| STENSEIDE VENTILASJONSSERVICE AS | 898546632 | ASKØY |
| STENSETH GRIMSRUD ARKITEKTER AS | 834407922 | HALDEN |
| STENSETH MASKIN AS | 817446302 | ORKLAND |
| STENSETH & RS ENTREPRENØR AS | 985210632 | ASKER |
| STENSETTING AS | 927769972 | SARPSBORG |
| STENSNES MASKIN AS | 826560142 | TØNSBERG |
| STENSRUD BLIKKENSLAGERVERKSTED AS | 987623357 | ØSTRE TOTEN |
| STENSRUD BYGG AS | 927352699 | KVITESEID |
| STENSRUD & TINGLUM AS | 917567026 | LUNNER |
| STENSVOLD ANLEGG AS | 812548212 | LARVIK |
| STENUMGÅRD BYGG AS | 987063378 | RINGEBU |
| STEPHEN A M CROSS | 977362679 | ØVRE EIKER |
| STERK ENTREPRENØR AS | 928523292 | MIDT-TELEMARK |
| STERTEN JAN INGE | 970062378 | VESTNES |
| STETIND ENTREPRENØR AS | 926335499 | BRØNNØY |
| STIAN BORGEN AS | 920180361 | HOLMESTRAND |
| STIAN BRENDEN MASKINSERVICE AS | 923755918 | DOVRE |
| STIAN BUNES AS | 817124542 | NES |
| STIAN PETTERSBAKKEN | 975796329 | VESTRE TOTEN |
| STIAN SVENDSEN BYGG | 916988109 | BJØRNAFJORDEN |
| STIAN TOMASGAARD | 986437649 | INDRE ØSTFOLD |
| STIELI AS | 932297825 | SKIEN |
| STIFO BYGGSERVICE AS | 931894943 | ØRSTA |
| STIFTSTADEN RØR AS | 919007494 | TRONDHEIM |
| STIGA KONSULT AS | 984232136 | SARPSBORG |
| STIG DYRHAUG AS | 883751582 | HUSTADVIKA |
| STIKK & MÅL AS | 929045602 | GJEMNES |
| STIKNING AS | 918401474 | KINN |
| STIKNINGSSERVICE AS | 998146925 | TIME |
| STILBYGG KONGSBERG AS | 981634632 | KONGSBERG |
| STILEO AS | 929351592 | OSLO |
| STILLESBY VENTILASJON SERVICE AS | 894273712 | MARKER |
| STILRENT BYGG AS | 927025558 | VINDAFJORD |
| STIMA BYGG AS | 891398522 | RÆLINGEN |
| STIV KULING AS | 994739743 | SOGNDAL |
| STJ BYGG AS | 921957874 | ØYGARDEN |
| STJERNE BYGG OG EIENDOM AS | 999529631 | DRAMMEN |
| STJERN ENTREPRENØR AS | 823116322 | ÅFJORD |