 | VVS-ALLIANSE AS | 919631546 | RÆLINGEN |
| VVS BEDRIFT AS | 918888268 | GJERDRUM |
| VVS BERGEN AS | 921422261 | BERGEN |
| VVS BØMLO AS | 968605089 | BØMLO |
| VVS COMFORT AS | 922053480 | INDRE ØSTFOLD |
| VVS COMPANIET AS | 931671081 | SANDEFJORD |
| VVS & EIENDOM AS | 931594680 | HVALER |
| VVS FAG AS | 942204345 | ØYGARDEN |
| VVS GRUPPEN AS | 982677416 | OSLO |
| VVS HUSET BALLANGEN AS | 993820024 | NARVIK |
| VVS - INSTALLASJON AS | 979542275 | SORTLAND |
| VVS KOMPANIET AS | 920389589 | OSLO |
| VVS KOMPETANSE Thomas Cappelen | 963220901 | TRONDHEIM |
| VVS KONTAKTEN AS | 922531897 | OSLO |
| VVS-MILJØ AS | 966509287 | GOL |
| VVS MILJØTEKNIKK AS | 928520331 | BERGEN |
| VVS NORD AS | 937429576 | PORSANGER |
| VVS OG BYGG AS | 922020965 | ØVRE EIKER |
| VVS OG ENERGI CONSULT AS | 926715267 | BÆRUM |
| VVS OG SPRINKLER AS | 914163846 | TROMSØ |
| VVSPLAN AS | 930346640 | SKAUN |
| VVS PLANLEGGING AS | 995197731 | FJALER |
| VVS-RØR AS | 993946559 | BERGEN |
| VVS RØRLEGGER AS | 971076526 | GISKE |
| VVS RØRLEGGER BERGEN AS | 931468383 | BJØRNAFJORDEN |
| VVS SENTERET AS | 992013052 | HOLMESTRAND |
| VVS SERVICE AS | 898573532 | SVALBARD |
| VVS SERVICE RUNE BERGE AS | 987839082 | FJALER |
| VVS SØR AS | 928900495 | ARENDAL |
| VVS SPESIALISTEN AS | 915181562 | OSLO |
| VVS TEAM SENTRAL AS | 916907362 | TROMSØ |
| VVS TJENESTEN AS | 924374497 | SARPSBORG |
| VVS, VARME OG ENERGI AS | 927564262 | BÆRUM |
| VVTEKNIKK AS | 994969919 | MOSS |
| WAAGE ANLEGG AS | 926645587 | FITJAR |
| WABU AS | 963336489 | BERGEN |
| WALAN MASKIN AS | 996260917 | ULLENSAKER |
| WAL BYGG OG EIENDOM AS | 811573272 | OSLO |
| WALDELAND & DUBLAND AS | 989138502 | HÅ |
| WALDELAND MASKIN AS | 817446892 | HÅ |
| WALDELAND & VARHAUG AS | 979924313 | HÅ |
| WALHEIM AS | 992078626 | GJØVIK |
| WALLAX AS | 960356705 | BÆRUM |
| WALLIN BYGG & EIENDOM AS | 932328992 | RAUMA |
| WALLØE & NILSEN AS | 929114779 | BERGEN |
| WALTER WILHELMSEN AS | 970904468 | TROMSØ |
| WALTHER KARPPINEN & SØNN AS | 913336429 | TØNSBERG |
| WALTHER SÆTHRE & CO AS | 983632963 | SOGNDAL |
| WANDSVIK ROAR | 970538992 | LEVANGER |
| WANGBERG VVS AS | 957474292 | TRONDHEIM |