 | ENERGIOPTIMAL VEST AS | 926741837 | ØYGARDEN |
| ENERGISENTRUM AS | 940712025 | ÅLESUND |
| ENERGISMART BOLIG AS | 933885682 | ØYGARDEN |
| ENERGITEC AS | 991775463 | HORTEN |
| ENERGIVERKET AS | 995671727 | RÅDE |
| ENERGO AS | 918616462 | SANDNES |
| ENERGY CONSULT AS | 824924902 | KLEPP |
| Enerhaugen Arkitektkontor AS | 937009984 | OSLO |
| ENERLYS' RØRSERVICE AS | 928522059 | OSLO |
| ENER-PRODUKT AS | 957721672 | MIDT-TELEMARK |
| ENGEBRETSEN BETONG & MUR AS | 976702549 | RÅDE |
| ENGELSEN ANLEGG AS | 988964131 | STORD |
| ENGELSEN BYGG AS | 984031947 | HAUGESUND |
| ENGELSEN ENTREPRENØR AS | 988964190 | STORD |
| ENGELSEN & LEIRVIK AS | 831013362 | STORD |
| ENGELSVOLL BYGG AS | 915211305 | TIME |
| ENGEN KJETIL | 970464867 | KONGSVINGER |
| ENGEVIK BYGGSENTER AS | 991681159 | STORD |
| ENGEVIK & TISLEVOLL AS | 925831778 | FITJAR |
| ENGEVIK VVS AS | 933493172 | BJØRNAFJORDEN |
| ENGHOL BYGG & FORVALTNING AS | 926858300 | LILLESTRØM |
| ENGH VANN OG VARME AS | 931689355 | PORSGRUNN |
| ENG MASKINDRIFT AS | 926453300 | RAKKESTAD |
| ENGSTAD RØR AS | 937631065 | NÆRØYSUND |
| ENIXE AS | 997818458 | BERGEN |
| ENKEL BYGG AS | 978693075 | HJELMELAND |
| ENKEL BYGGESAK AS | 930931764 | DRAMMEN |
| ENKLERE BOLIG ENTREPRENØR AS | 930925381 | ASKER |
| ENKON AS | 913153588 | GILDESKÅL |
| ENLIDS TRADISJONSLAFT AS | 913073770 | MIDTRE GAULDAL |
| ENOK BYGG ENOK MYRSTAD | 920613241 | SANDNES |
| ENØKPLAN AS | 912200000 | TRONDHEIM |
| ENØK-SYSTEMER AS | 820218752 | SARPSBORG |
| ENØK TOTAL ELEKTRO AS | 881940612 | LINDESNES |
| ENORDTUN AS | 927159031 | ELVERUM |
| E-NOR INSTALLASJON AS | 987166959 | STEINKJER |
| ENTAS AS | 988121053 | OSLO |
| ENTEK AS | 937092407 | SANDEFJORD |
| ENTER SOLUTION AS | 932757303 | FREDRIKSTAD |
| EN TIL EN ARKITEKTER AS | 996499405 | BERGEN |
| ENTREPENØR KNUT RUNDHOVDE | 985657262 | BERGEN |
| ENTREPRENØR ANSGAR BIRKELAND AS | 939555420 | MASFJORDEN |
| ENTREPRENØR BERNT-EINAR ØIEN | 927708701 | SØR-VARANGER |
| ENTREPRENØR BYGG AS | 989186140 | LILLESTRØM |
| ENTREPRENØR DALE AS | 918615725 | VINDAFJORD |
| ENTREPRENØR EKERHAUGEN AS | 926668307 | ØSTRE TOTEN |
| ENTREPRENØRFIRMA FRODE OLSSON AS | 973194631 | STAVANGER |
| ENTREPRENØRFIRMA HAAKON SKUGGEDAL AS | 928653293 | LARVIK |
| ENTREPRENØRFIRMA LEIF ØYGARDEN AS | 981402278 | KRAGERØ |
| ENTREPRENØRFIRMA VIBETO TRAKTORSERVICE | 989126776 | KRAGERØ |