 | LEON BYGG AS | 916008422 | INDRE ØSTFOLD |
| LEONHARD NILSEN & SØNNER AS | 937843771 | ANDØY |
| LERBERG GRAVESERVICE AS | 933086674 | HOL |
| LERCHE ARKITEKTER AS | 946890987 | OSLO |
| LERSTAD BYGG AS | 916016301 | ÅLESUND |
| LERVIK ARKITEKTER AS | 995661748 | GISKE |
| LERVIK-BYGG AS | 924460245 | STAVANGER |
| LERVIKE AS | 994259369 | SUNNDAL |
| LESJA BYGGSERVICE AS | 999632939 | LESJA |
| LETMOLIE ENTREPRENØR AS | 924636971 | DRAMMEN |
| LETNES ENTREPRENØR AS | 919605960 | INDERØY |
| LETT-TAK SYSTEMER AS | 988782300 | LARVIK |
| LG-BYGG AS | 997143647 | INDRE FOSEN |
| LH ANLEGG AS | 922038872 | KVINESDAL |
| L HANSEN ENGINEERING | 880332562 | NORDRE FOLLO |
| LH DRIFT AS | 931702718 | LYNGDAL |
| LH ELEKTRO AS | 925750581 | AURSKOG-HØLAND |
| L HJERTNES AS | 918329234 | BJØRNAFJORDEN |
| LHV TJENESTER AS | 990702632 | STAVANGER |
| LIABØ ENTREPRENØR AS | 916036736 | KRISTIANSUND |
| LIABYGG AS | 922710406 | SKIEN |
| LIAN HEIS AS | 921194005 | OSLO |
| LIBERG AS | 985174806 | LARVIK |
| LIDO LANDSKAP AS | 935676754 | OSLO |
| LID VENTILASJON AS | 977482933 | OSLO |
| LIE ANLEGG AS | 914831784 | VENNESLA |
| LIE BLIKK AS | 988976849 | KLEPP |
| LIE BYGG AS | 979476841 | KONGSBERG |
| LIEBYGG AS | 991655069 | SOLA |
| LIE BYGG & EIENDOM AS | 912319539 | LIER |
| LIEFTING ARKITEKTUR & RESTAURERING AS | 998703905 | FREDRIKSTAD |
| LIE GLASS AS | 826370262 | KLEPP |
| LIEN'S ANLEGGSTEKNIKK AS | 931200933 | BODØ |
| LIEN TREPLEIE OG UTEMILJØ AS | 921320779 | BÆRUM |
| LIE ØYEN ARKITEKTER AS | 946736953 | OSLO |
| LIER ANLEGG AS | 986487611 | LIER |
| LIER GRAVING OG TRANSPORT AS | 912544060 | LIER |
| LIER RØRSERVICE Kai Skjold | 992228083 | LIER |
| LIERSKOGEN ANLEGG AS | 977324459 | LIER |
| LIE VENTILASJON AS | 987884630 | SANDNES |
| LIE VVS AS | 915635717 | HAMAR |
| LIFTCONSULT AS | 998026075 | TRONDHEIM |
| LIFT TECH AS | 964736804 | ÅLESUND |
| LIGNUM SOL AS | 927449145 | BÆRUM |
| LILJEDAHL MASKINTJENESTER AS | 929150732 | VINJE |
| LILLEBERG MUR OG BYGG AS | 935956366 | STEINKJER |
| LILLEBØ SAND OG TRANSPORT AS | 992698578 | SANDNES |
| LILLEBY BYGG | 891210582 | TØNSBERG |
| LILLEHAMMER ELEKTRO AS | 911948680 | LILLEHAMMER |
| LILLEHAMMER TAK AS | 821127122 | LILLEHAMMER |
| LILLEHAMMER TAKST AS | 931758365 | LILLEHAMMER |
| LILLEHAMMER VENTILASJON AS | 958077289 | LILLEHAMMER |
| LILLENGA AS | 927733641 | ASKER |
| LILLEROVDE MASKIN AS | 992105259 | ÅLESUND |
| LILLESAND ANLEGG AS | 996527662 | LILLESAND |
| LILLESANDHUS AGDER AS | 915192440 | GRIMSTAD |
| LILLESAND VVS AS | 991699694 | LILLESAND |
| LILLESKOG FORSKALING AS | 999171591 | TYSVÆR |
| LILLESTRØM ARKITEKTER AS | 968877356 | LILLESTRØM |
| LILLESTRØM RØR AS | 925054046 | LILLESTRØM |
| LILLESTRØM RØRLEGGERBEDRIFT AS | 974273195 | LILLESTRØM |
| LILLESTRØM TAK OG MEMBRAN AS | 998586178 | NITTEDAL |
| LILLØY BYGG AS | 913811445 | SKIEN |
| LIMA RØR AS | 981353633 | GJESDAL |
| LINDAL HUS AS | 996154580 | RISØR |
| LINDAL MODUL AS | 928808084 | RISØR |
| LINDANGER MASKIN AS | 988967416 | STAVANGER |
| LIND ARKITEKTUR OG UTVIKLING AS | 934999738 | KRISTIANSAND |
| LINDÅS RØR & SANITÆR AS | 935347920 | ALVER |
| LINDÅS VVS NILS TRÆLAND AS | 915836445 | ALVER |
| LINDEKLEIV VVS AS | 913018702 | KRISTIANSAND |
| LINDELID & KNUTSEN AS | 815609522 | ASKØY |
| LIND ENTREPRENØR AS | 922221642 | LAVANGEN |
| LINDESNES BYGG AS | 844678762 | LINDESNES |
| LINDHAUGEN AS | 979743467 | SARPSBORG |
| LINDLAND BYGGPROSJEKTERING AS | 995532239 | KRISTIANSAND |
| LINDLAND MASKIN AS | 963654812 | LYNGDAL |
| LINDLAND PUKK AS | 986734465 | LYNGDAL |
| LINDNER SCANDINAVIA AB NUF | 923800905 | |
| LINDSET ENTREPRENØR AS | 998477883 | VESTNES |
| LINDSTAD BYGG AS | 851314032 | VOSS |
| LINDSTAD MASKIN AS | 925141445 | LILLESTRØM |
| LINDTNER VVS AS | 978618642 | BERGEN |
| LINE SOLGAARD ARKITEKTER AS | 929577272 | FREDRIKSTAD |
| LINGE ARKITEKTUR AS | 837112672 | HALDEN |
| LINHØI ENTREPRENØR AS | 926960725 | ASKER |
| LINJE ARKITEKTUR AS | 988420603 | OSLO |
| LINJEPROFF AS | 992893273 | HAMARØY |
| LINK ARKITEKTUR AS | 975999726 | OSLO |
| LINK ARKITEKTUR AS AVD BERGEN | 871881162 | BERGEN |
| LINK ARKITEKTUR AS AVD FREDRIKSTAD | 992811293 | FREDRIKSTAD |
| LINK ARKITEKTUR AS AVD HAUGESUND | 934553225 | HAUGESUND |
| LINK ARKITEKTUR AS AVD LANDSKAP | 992811390 | OSLO |
| LINK ARKITEKTUR AS AVD OSLO | 972051128 | OSLO |
| LINK ARKITEKTUR AS AVD STAVANGER | 972180572 | STAVANGER |
| LINK ARKITEKTUR AS AVD TRONDHEIM | 984194897 | TRONDHEIM |
| LINK BYGG AS | 930076295 | STAVANGER |
| LINK ENERGI AS | 929175689 | ALTA |
| LINNERUD AS | 996228940 | HOLMESTRAND |
| LINORCO BYGG AS | 934068874 | LILLESTRØM |