 | RØRLEGGERANE AS | 928010031 | HAUGESUND |
| RØRLEGGER ASGEIR HOLE AS | 927989751 | STRANDA |
| RØRLEGGER BERGAN AS | 928643026 | TINN |
| RØRLEGGER BERGEN AS | 999246079 | BERGEN |
| RØRLEGGER BERNTSEN AS | 960515978 | HAMMERFEST |
| RØRLEGGER BRAGER AS | 885158102 | ØYSTRE SLIDRE |
| RØRLEGGER DIESEN AS | 829568292 | NES |
| RØRLEGGER EINAR PETTERSEN AS | 992138521 | KRISTIANSAND |
| RØRLEGGEREKSPRESSEN AS | 913947606 | PORSGRUNN |
| RØRLEGGER ELIASSEN AS | 997251458 | RÅDE |
| RØRLEGGEREN DIN AS | 933336867 | BODØ |
| RØRLEGGER ERIK JENSEN Innehaver Marianne Jensen | 881419092 | SANDEFJORD |
| RØRLEGGER EVENSEN AS | 927112248 | ØKSNES |
| RØRLEGGERFIRMA ANDERS FURUSTAD AS | 913842790 | SANDEFJORD |
| RØRLEGGERFIRMA HANØY AS | 986892729 | AUSTEVOLL |
| RØRLEGGERFIRMA K HORGHAGEN AS | 948804735 | SKAUN |
| RØRLEGGERFIRMA KJELGAARD AS | 987575352 | ENEBAKK |
| RØRLEGGERFIRMA LIEN & CO AS | 977054664 | VESTRE TOTEN |
| RØRLEGGERFIRMA SIGURD LIMA AS | 933573834 | GJESDAL |
| RØRLEGGERFIRMA STØLSVIK AS | 957854222 | STAVANGER |
| RØRLEGGERFIRMA VVS-PROFFEN AS | 981580915 | NARVIK |
| RØRLEGGER FRIGSTAD AS | 913026365 | KRISTIANSAND |
| RØRLEGGER G. ANDERSEN AS | 993020095 | SARPSBORG |
| RØRLEGGER GS AS | 934040228 | ÅL |
| RØRLEGGER GUNNAR LARSEN AS | 982845580 | SANDNES |
| RØRLEGGERGUTTA AS | 992604131 | FÆRDER |
| RØRLEGGER HAGEN | 929540883 | RINGEBU |
| RØRLEGGER HALVORSEN AS | 865380542 | ARENDAL |
| RØRLEGGER HARALDSEID AS | 918816283 | VINDAFJORD |
| RØRLEGGERHUSET AS | 819595712 | OSLO |
| RØRLEGGERIET AS | 933302652 | FROGN |
| RØRLEGGERIET OS AS | 977277388 | BJØRNAFJORDEN |
| RØRLEGGER JNF AS | 933593657 | BØ (NORDLAND) |
| RØRLEGGER JOHN HAUGERUD INNEHAVER BJØRG HAUGERUD | 952874985 | BAMBLE |
| RØRLEGGER JOHNY OLSEN AS | 918577726 | OSLO |
| RØRLEGGER JONAS PALERUD AS | 916999526 | LØTEN |
| RØRLEGGERKOMPANIET AS | 888460942 | OSLO |
| RØRLEGGER KRIEBEL AS | 913495284 | AURSKOG-HØLAND |
| RØRLEGGER LARS AS | 967653632 | OSLO |
| RØRLEGGER LIENE AS | 929432479 | GRIMSTAD |
| RØRLEGGER MAGNUS TALBERG AS | 926351931 | SARPSBORG |
| RØRLEGGERMESTER AADNE CARLSEN AS | 924760656 | SANDNES |
| RØRLEGGERMESTER ÅGE K HAUGERUD AS | 983034039 | KONGSBERG |
| RØRLEGGERMESTER ALF ØSTREM EIK | 986682759 | NANNESTAD |
| RØRLEGGERMESTER ANDREAS ERIKSEN AS | 985298106 | BÆRUM |
| RØRLEGGERMESTER ARE M. FISKAA AS | 990893748 | VANYLVEN |
| RØRLEGGERMESTER ARVE NILSEN AS | 917120390 | STAVANGER |
| RØRLEGGERMESTER CARSTENSEN AS | 929680790 | KRISTIANSAND |
| RØRLEGGERMESTER DANIEL K. BERLAND AS | 920274013 | ASKØY |
| RØRLEGGERMESTER EDVARD TJØSTHEIM AS | 888960392 | STAVANGER |