| EKA RØR AS | 927470616 | EIDSVOLL |
| EKBERG LOUS ARKITEKTER AS | 992932716 | ASKER |
| EKEBERG VARME & SANITÆR AS | 992684291 | OSLO |
| EKEHAUG MASKIN AS | 957431526 | VOSS |
| EKER BYGG AS | 991809724 | FREDRIKSTAD |
| EKEREN ENTREPRENØR AS | 931919660 | FLÅ |
| EKERHOVD & LINDQVIST AS | 985258406 | BERGEN |
| EKKO MASKIN AS | 920386474 | RINGSAKER |
| EKREN MASKIN AS | 896711792 | MELHUS |
| EKRHEIM ELCONSULT AS | 932935074 | STAVANGER |
| E.K.S MASKINER AS | 917556709 | MIDTRE GAULDAL |
| EK SVEIN Ø | 870948352 | FREDRIKSTAD |
| EKTE SNEKKERGLEDE AS | 826541792 | NITTEDAL |
| EL 24 ENSIKO AS | 914986303 | STRANDA |
| ELADIO RAMM AS | 927862751 | OSLO |
| EL AV SOL NORGE AS | 925077097 | SARPSBORG |
| ELCOM AS | 990618836 | NÆRØYSUND |
| EL-CON AS | 914589347 | OSLO |
| ELCONSULTTEAM SØR AS | 985842531 | KRISTIANSAND |
| ELCONTACT AS | 995145790 | ULSTEIN |
| ELDAR KRØVEL AS | 898088952 | ØRSTA |
| ELDEN AS | 994290207 | OSLO |
| ELDEVIK BYGG AS | 913306864 | TØNSBERG |
| ELDORADO ENTREPRENØR AS | 928408124 | SANDEFJORD |
| ELDSTAD ENTREPRENØR AS | 989126490 | GOL |
| ELECTRONOVA AS | 976533216 | BÆRUM |
| ELECTRO TEAM AS | 914790506 | KRISTIANSUND |
| EL EFFEKT AS | 974378663 | OSLO |
| ELEGANT HUS ALEID | 822220142 | RÆLINGEN |
| EL-EKSPERTEN AS | 921405928 | TRONDHEIM |
| ELEKTOR INSTALLASJON AS | 987902523 | STANGE |
| ELEKTRIKER1 ROMERIKE AS | 999056253 | LØRENSKOG |
| ELEKTRIKER 1 SANDNES AS | 996086283 | SANDNES |
| ELEKTRIKER 1 TRONDHEIM AS | 984665547 | TRONDHEIM |
| ELEKTRIKER GRUPPEN AS | 879899222 | OSLO |
| ELEKTRIKER'N RINGSAKER AS | 987368063 | RINGSAKER |
| ELEKTRIKER ØST AS | 987898062 | DRAMMEN |
| ELEKTRIKERSERVICE AS | 975971554 | TRONDHEIM |
| ELEKTRIKERSERVICE HALLINGDAL AS | 992360879 | GOL |
| ELEKTRIKERSERVICE VERDAL AS | 996405524 | VERDAL |
| ELEKTRIKERTJENESTEN SARPSBORG-FREDRIKSTAD AS | 990738254 | FREDRIKSTAD |
| ELEKTRISK AS | 970994149 | OSLO |
| ELEKTRO 12:24 AS | 812076272 | HOL |
| ELEKTRO 1 TØNSBERG AS | 984668910 | TØNSBERG |
| ELEKTRO 4 AS | 881489392 | SKIEN |
| ELEKTRO A SJØLYST AS | 947390287 | LARVIK |
| ELEKTRO BODØ AS | 986446125 | BODØ |
| ELEKTRO COMFORT AS | 974423774 | SANDNES |
| ELEKTROENTREPRENØREN AS | 830976612 | NORDRE FOLLO |
| ELEKTROENTREPRENØR GURIBY AS | 943618178 | BÆRUM |