 | 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 |
| LILLEØRE ANLEGG AS | 926936395 | TIME |
| 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 TAK OG MEMBRAN AS | 998586178 | NITTEDAL |
| LILLØY BYGG AS | 913811445 | SKIEN |
| LIMA RØR AS | 981353633 | GJESDAL |
| LINDANGER MASKIN AS | 988967416 | STAVANGER |
| LINDÅS RØR & SANITÆR AS | 935347920 | ALVER |
| LINDÅS VVS NILS TRÆLAND AS | 915836445 | ALVER |
| LINDEKLEIV VVS AS | 913018702 | KRISTIANSAND |
| 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 | 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 |
| LINHØI ENTREPRENØR AS | 926960725 | ASKER |
| LINJE ARKITEKTUR AS | 988420603 | OSLO |
| LINJE ELEKTRO SERVICE AS | 922184399 | LØRENSKOG |
| LINJEPARTNER AS | 912435024 | LEVANGER |
| LINJEPROFF AS | 992893273 | HAMARØY |
| LINK ARKITEKTUR AS | 975999726 | OSLO |
| LINK BYGG AS | 930076295 | STAVANGER |
| LINNERUD AS | 996228940 | HOLMESTRAND |
| LINOTOL NORGE | 919493828 | |
| LINTHO STEINMILJØ AS | 991372474 | INDRE ØSTFOLD |
| LISLEGÅRD MASKIN AS | 926533274 | NESBYEN |
| LISTA BYGG AS | 942449496 | FARSUND |
| LISTER BLIKK AS | 996413985 | FLEKKEFJORD |
| LISTER OPPMÅLING AS | 929549198 | FARSUND |
| LITBYGG MO AS | 917278458 | RANA |
| LIT - NOR AS | 921210140 | NITTEDAL |
| LIVARDEN SØK OG PROSJEKTERING AS | 923816879 | BERGEN |
| L J B AS | 992933003 | BERGEN |