| RØRLEGGERMESTER RUDI SETERDAHL | 955241398 | FREDRIKSTAD |
| RØRLEGGERMESTER RUNE BØE AS | 924899441 | SANDEFJORD |
| RØRLEGGERMESTER RUNE HAUG AS | 932015072 | ASKER |
| RØRLEGGERMESTER SIGURDUR HJARTARSON AS | 891785542 | FREDRIKSTAD |
| RØRLEGGERMESTER STEINAR AAMODT AS | 920441238 | KRISTIANSAND |
| RØRLEGGERMESTER STIAN LARSEN AS | 999198724 | BODØ |
| RØRLEGGERMESTER STIG E. NILSEN AS | 990024936 | BJØRNAFJORDEN |
| RØRLEGGERMESTER SVEIN OLSEN & SØNNER AS | 982163706 | ØYSTRE SLIDRE |
| RØRLEGGERMESTER THOMAS IRGENS AS | 913278178 | ASKER |
| RØRLEGGERMESTER TOMMY PAULSEN & SØNNER AS | 951642894 | NORDRE FOLLO |
| RØRLEGGERMESTER TOM TVEDT AS | 989175238 | KRISTIANSAND |
| RØRLEGGERMESTER TOR ANDREAS OLSEN AS | 928530043 | ØSTRE TOTEN |
| RØRLEGGERMESTER TOR DAG GULBRANDSEN AS | 986978372 | SUNNFJORD |
| RØRLEGGERMESTER TORSTEIN SOLLI AS | 983486703 | OSLO |
| RØRLEGGERMESTER TROND E. MADSEN AS | 987726814 | ÅLESUND |
| RØRLEGGERMESTER TROND NIELSEN | 971202114 | BERGEN |
| RØRLEGGERMESTER WICKSTRØM | 999220576 | ENEBAKK |
| RØRLEGGER MICHAL WOJCIK | 919167084 | BERGEN |
| RØRLEGGER MORTEN SVINGEN AS | 918715037 | LILLESAND |
| RØRLEGGER'N 1 AS | 913025482 | TYSVÆR |
| RØRLEGGERNE J & L AS | 987614668 | HOLMESTRAND |
| RØRLEGGERN FAUSKE AS | 983457541 | FAUSKE |
| RØRLEGGERN HAMAR AS | 822329942 | HAMAR |
| RØRLEGGER'N K AS | 915454003 | GJØVIK |
| RØRLEGGER'N LILLEHAMMER AS | 982071895 | LILLEHAMMER |
| RØRLEGGERN LØTEN AS | 981496906 | LØTEN |
| RØRLEGGER NORDHEIM AS | 927257564 | KRISTIANSAND |
| RØRLEGGERN Roar Steinsæter Tømta | 992120177 | ULLENSAKER |
| RØRLEGGER'N ROLF ERIK M. FINSTAD AS | 932007452 | FREDRIKSTAD |
| RØRLEGGERN STENVALL AS | 975346668 | VEFSN |
| RØRLEGGER'N VERDAL AS | 933764877 | VERDAL |
| RØRLEGGER ODD HÅKEDAL AS | 977176654 | BIRKENES |
| RØRLEGGER ODD JENSEN AS | 997248848 | NES |
| RØRLEGGER ODD WILLY HAMMERSTAD | 984725876 | GOL |
| RØRLEGGER OG MONTØR MIKOLAJCZYK | 999156819 | LILLESTRØM |
| RØRLEGGER OLAV SKUGGEVIK AS | 994264540 | LILLESAND |
| RØRLEGGER OTTO HARRY OLSEN AS | 887190712 | HADSEL |
| RØRLEGGER ØYVIND HASVOLD AS | 993372196 | NORDRE LAND |
| RØRLEGGER PAULSEN AS | 986902384 | KRISTIANSAND |
| RØRLEGGER PLUSS AS | 911866765 | OSLO |
| RØRLEGGER RIKARDSEN AS | 896250752 | ÅFJORD |
| RØRLEGGER R NIGARDSØY AS | 974535165 | BREMANGER |
| RØRLEGGER ROY JOHANSEN AS | 918710019 | LINDESNES |
| RØRLEGGERSENTERET AS | 992791284 | LARVIK |
| RØRLEGGER SENTRALEN AS | 998942683 | OSLO |
| RØRLEGGER SERVICE DA | 933867935 | KRISTIANSAND |
| RØRLEGGERSERVICE FLORØ AS | 967715417 | KINN |
| RØRLEGGER SIVERTSEN AS | 913206754 | SKIEN |
| RØRLEGGERSPESIALISTEN AS | 912806952 | ALSTAHAUG |
| RØRLEGGER STEIN FURUSETH AS | 998048192 | EIDSKOG |