| LS ENTREPRENØR AS | 989308106 | KRISTIANSAND |
| LT MASKIN DRIFT AS | 920618251 | LINDESNES |
| LUCRO BYGG AS | 911839709 | GRIMSTAD |
| LUDVIG JENSEN AS | 927943808 | KRISTIANSAND |
| LUDVIG KAMPERHAUG AS | 926816179 | SARPSBORG |
| LUDVIGSEN BYGG AS | 922188092 | ØYGARDEN |
| LUDVIGSEN MASKIN OG TRANSPORT AS | 995688743 | BJØRNAFJORDEN |
| LUDVIK LØVIK MASKIN AS | 962987982 | SUNNFJORD |
| LUFTKVALITET AS | 947022148 | OSLO |
| LUKAS BETONG AS | 922592861 | LILLESTRØM |
| LUMON NORGE AS | 981888863 | LILLESTRØM |
| LUN ARKITEKTER AS | 932763885 | ASKER |
| LUNDAL SERVICE AS | 920421601 | BERGEN |
| LUNDBAKKEN BYGG AS | 928351262 | RINGEBU |
| LUNDBERG OG SÆTERÅSEN AS | 993784214 | HURDAL |
| LUND BYGG LILLESTRØM AS | 918307605 | LØRENSKOG |
| LUNDBY OG RYGG AS | 917285527 | DRAMMEN |
| LUNDE ANLEGG | 981668790 | BJØRNAFJORDEN |
| LUNDE BYGG AS | 914087457 | SKIEN |
| LUNDER AS | 985338558 | NES |
| LUND HAGEM ARKITEKTER AS | 957251471 | OSLO |
| LUND OG LILLEBORGEN GRAVING OG RØRLEGGERTJENESTER AS | 813877872 | HALDEN |
| LUND & REISTAD AS | 879351642 | SIGDAL |
| LUNDSETT & WALLE DYKKERSERVICE AS | 929027256 | BAMBLE |
| LUND+SLAATTO ARKITEKTER AS | 943436347 | OSLO |
| LUNDVOLL MASKINSTASJON AS | 980868281 | LYNGEN |
| LUNE BYGG AS | 928003027 | PORSGRUNN |
| LUNNER KOMMUNE | 961381452 | LUNNER |
| LUSPARKEN ARKITEKTER AS | 975801950 | TRONDHEIM |
| LUSTER ENERGI AS | 924528001 | LUSTER |
| LUSTER TRELASTLAGER AS | 995607247 | LUSTER |
| LUTHER & CO AS | 921995415 | ASKER |
| LV MASKIN AS | 998212235 | HEIM |
| LWB AS | 929535251 | NARVIK |
| LY ARKITEKTER AS | 984050259 | KRISTIANSAND |
| LY MINIHUS AS | 931962612 | TROMSØ |
| LYN ELEKTRO AS | 992824115 | SARPSBORG |
| LYNGDAL EL-INSTALASJON AS | 958553625 | LYNGDAL |
| LYNGDAL FYRINGSSENTRAL AS | 966307358 | LYNGDAL |
| LYNGDAL RØR AS | 916542828 | LYNGDAL |
| LYNGHAUG FJELLSPRENGNING AS | 923003673 | SØRREISA |
| LYNG & LØBERG AS | 914057507 | SKIEN |
| LYNGLUND MASKIN AS | 928285103 | ØYGARDEN |
| LYNGSTAD ARKITEKTER AS | 981238001 | STEINKJER |
| LYNGSTAD BYGG AS | 924359412 | SANDNES |
| LYSAKER BYGGPROSJEKT AS | 929465148 | ØVRE EIKER |
| LYSAKER ELEKTRISKE AS | 920060188 | OSLO |
| LYSAKER & THORRUD AS | 916119712 | DRAMMEN |
| LYSEBO VVS AS | 987255749 | LARVIK |
| LYSELL ENTREPRENØR AS | 998412986 | TØNSBERG |