 | L BROTUN RØRSERVICE | 968590162 | DRAMMEN |
| LBU AS | 916128983 | INDRE ØSTFOLD |
| LDK BYGG AS | 934385012 | ASKER |
| LE BYGG AS | 933965678 | VESTVÅGØY |
| LE-BYGG AS | 918698817 | BYKLE |
| LECON AS | 930980463 | ÅLESUND |
| LEFDAL INSTALLASJON AS | 968545337 | BÆRUM |
| LEGALETT NORGE AS | 931986783 | HVALER |
| Leif Brun & Sønner A/S | 834464012 | MELØY |
| LEIF GRIMSRUD AS | 832516902 | HALDEN |
| LEIF K FJELDE AS | 929599853 | NARVIK |
| LEIF LIE EFTF. MASKIN AS | 991443436 | ØYGARDEN |
| LEIF MAGNE LOKØY | 970318437 | ØYGARDEN |
| LEIF NÆVDAL CONSULTING AS | 916896220 | ALVER |
| LEIF RUNARS AS | 995863243 | NES |
| LEIF STURLA LILLESTRØM MASKIN OG TRANSPORT AS | 999609090 | ALVDAL |
| LEIKNES AS | 942830068 | SENJA |
| LEIKNES MESTERBYGG AS | 836185382 | ULLENSAKER |
| LEIKVOLL'S KJERNEBORING AS | 976588894 | KLEPP |
| LEIN-NILSSEN AS | 986391134 | FROSTA |
| LEIRBOTN ENTREPRENØR AS | 981505646 | ALTA |
| LEIRSET CONSULTING | 932745763 | VERDAL |
| LEIRVIK AS | 983717098 | STORD |
| LEITHE & CHRISTIANSEN AS | 919513845 | OSLO |
| LEITHE ELEKTRO AS | 984681755 | LØRENSKOG |
| LEIV NESVIK | 884034132 | HÅ |
| LEKA BYGG AS | 933480615 | GJESDAL |
| LEKKASJETEKNIKK AS | 930698253 | OSLO |
| LEKNES BLIKK OG MONTERING AS | 925247766 | ASKVOLL |
| LEKVEN BYGG AS | 918023887 | BJØRNAFJORDEN |
| LEKVEN ENTREPRENØR AS | 912158438 | BJØRNAFJORDEN |
| LEMA BOLIG AS | 934094433 | GJERDRUM |
| LEMBERGS AS | 932581302 | NORDRE FOLLO |
| LEO HG AS | 815014332 | LIER |
| LEO JAKOBSEN AS | 916682220 | TYSVÆR |
| LEON BYGG AS | 916008422 | INDRE ØSTFOLD |
| LEONHARD NILSEN & SØNNER AS | 937843771 | ANDØY |
| LERBERG GRAVESERVICE AS | 933086674 | HOL |
| LERCHE ARKITEKTER AS | 946890987 | OSLO |
| LERDAL BYGG AS | 830857192 | OSLO |
| 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 |
| LIABØ TRANSPORT AS | 875813552 | TRONDHEIM |
| LIABYGG AS | 922710406 | SKIEN |
| LIAN HEIS AS | 921194005 | OSLO |
| LIBERG AS | 985174806 | LARVIK |
| 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 |