| Rørlegger 1 AS | Tiller | 2026 |
| Rørlegger 1 Holding AS | Kristiansund N | 2015 |
| Rørlegger 1 Kristiansand AS | Vatnestrøm | 2007 |
| Rørlegger 1 Kristiansund AS | Kristiansund N | 2006 |
| Rørlegger 1 Molde AS | Molde | 2013 |
| Rørlegger 1 Oslo AS | Oslo | 2011 |
| Rørlegger 1 Sunndalsrør AS | Sunndalsøra | 2000 |
| Rørlegger 123 AS | Skjetten | 2021 |
| Rørlegger 24 - 7 AS | Oslo | 2011 |
| Rørlegger Akutten AS | Nordby | 2023 |
| Rørlegger Alf Larsen AS | Haugesund | 2000 |
| Rørlegger Andersen AS | Barkåker | 2022 |
| Rørlegger Anund Aas AS | Skollenborg | 2020 |
| Rørlegger Arnt Vegar AS | Bodø | 2025 |
| Rørlegger Asgeir Hole AS | Stranda | 2021 |
| Rørlegger Aslak Seltveit AS | Fyresdal | 2026 |
| Rørlegger Bekkevold AS | Ridabu | 2013 |
| Rørlegger Bent Sollie AS | Myre | 2011 |
| Rørlegger Bergan AS | Tinn Austbygd | 2022 |
| Rørlegger Bergen AS | Nyborg | 2012 |
| Rørlegger Bergen VVS AS | Morvik | 2016 |
| Rørlegger Berntsen AS | Hammerfest | 1991 |
| Rørlegger Brager AS | Skammestein | 2002 |
| Rørlegger Bådstad AS | Nordre Toten | 2025 |
| Rørlegger Christopher Trampe-Kindt AS | Brumunddal | 2025 |
| Rørlegger Darra AS | Oslo | 2023 |
| Rørlegger Diesen AS | Skogbygda | 2022 |
| Rørlegger Edvard Anti AS | Karasjok | 2012 |
| Rørlegger Einar Pettersen AS | Søgne | 2007 |
| Rørlegger Eliassen AS | Saltnes | 2011 |
| Rørlegger Evensen AS | Myre | 2021 |
| Rørlegger Fana AS | Rådal | 2017 |
| Rørlegger Framnes AS | Aust-Torpa | 2024 |
| Rørlegger Frigstad AS | Kristiansand S | 2013 |
| Rørlegger G. Andersen AS | Borgenhaugen | 2008 |
| Rørlegger Geir Sirnes AS | Haugesund | 2000 |
| Rørlegger GS AS | Ål | 2024 |
| Rørlegger Gulliksen AS | Skien | 2016 |
| Rørlegger Gunnar Larsen AS | Sandnes | 2000 |
| Rørlegger Halvorsen AS | Arendal | 1992 |
| Rørlegger Hamar AS | Oslo | 2022 |
| Rørlegger Hansen AS | Hokksund | 2011 |
| Rørlegger Haraldseid AS | Skjold | 2017 |
| Rørlegger Haugen AS | Geithus | 2021 |
| Rørlegger Helgesen AS | Skjervøy | 2026 |
| Rørlegger Helgesen AS | Skjervøy | 2006 |
| Rørlegger Henrik Steinsvik AS | Halden | 2026 |
| Rørlegger Ivar Tveiten AS | Kongsberg | 2018 |
| Rørlegger Jan Erik Hørsandlien AS | Åsvang | 2006 |
| Rørlegger Jensen AS | Staubø | 2013 |
| Rørlegger JNF AS | Bø I Vesterålen | 2024 |
| Rørlegger Johannesen AS | Sola | 2025 |
| Rørlegger John Haugerud AS | Langesund | 2026 |
| Rørlegger Johny Olsen AS | Oslo | 2017 |
| Rørlegger Jonas Palerud AS | Løten | 2016 |
| Rørlegger K.H. Semb AS | Lunde | 2017 |
| Rørlegger Kenneth Winsjansen AS | Tveit | 2023 |
| Rørlegger Klemetsen AS | Kautokeino | 2006 |
| Rørlegger Kongsvold AS | Notodden | 2023 |
| Rørlegger Kriebel AS | Aurskog | 2014 |
| Rørlegger Lars AS | Østerås | 1993 |
| Rørlegger Lian AS | Børsa | 2013 |
| Rørlegger Lillehaug AS | Engeløya | 2022 |
| Rørlegger Ludvigsen AS | Lillehammer | 2024 |
| Rørlegger Magnus Talberg AS | Skjeberg | 2020 |
| Rørlegger Martin Bakke AS | Røros | 2020 |
| Rørlegger Michael Olsen AS | Alta | 2020 |
| Rørlegger Midt-Norge AS | Trondheim | 2011 |
| Rørlegger Modalen AS | Lillesand | 2019 |
| Rørlegger Morten Svingen AS | Høvåg | 2017 |
| Rørlegger Myhra AS | Langesund | 2014 |
| Rørlegger Nordheim AS | Kristiansand S | 2021 |
| Rørlegger Odd Håkedal AS | Birkeland | 1997 |
| Rørlegger Odd Jensen AS | Årnes | 2011 |
| Rørlegger Og Bolig Konsulenten AS | Oslo | 2011 |
| Rørlegger Ola Langmo AS | Røros | 2021 |
| Rørlegger Olav Skuggevik AS | Lillesand | 2009 |
| Rørlegger Otting AS | Reipå | 2013 |
| Rørlegger Otto Harry Olsen AS | Stokmarknes | 2004 |
| Rørlegger Paal Bøhle AS | Ottestad | 2000 |
| Rørlegger Paulsen AS | Kristiansand S | 2004 |
| Rørlegger Pluss AS | Oslo | 2013 |
| Rørlegger På Hjul AS | Lillestrøm | 2020 |
| Rørlegger Pål Stian Rasmussen AS | Hemnesberget | 2010 |
| Rørlegger R Nigardsøy AS | Svelgen | 1995 |
| Rørlegger Rikardsen AS | Brandsfjord | 2010 |
| Rørlegger Robert Thorgersen AS | Drammen | 2013 |
| Rørlegger Roy Johansen AS | Lindesnes | 2017 |
| Rørlegger Rune Flem AS | Ålesund | 2015 |
| Rørlegger Sentralen AS | Oslo | 2012 |
| Rørlegger Service Da | Kristiansand S | 2024 |
| Rørlegger Sivertsen AS | Skien | 2014 |
| Rørlegger Sivertsen Byggtjenester AS | Skien | 2014 |
| Rørlegger Slettedal AS | Molde | 2026 |
| Rørlegger Stein Furuseth AS | Skotterud | 2012 |
| Rørlegger Strand & Co AS | Nedre Eggedal | 2011 |
| Rørlegger Sunde AS | Hafrsfjord | 1997 |
| Rørlegger Sunde Avdeling Ryfylke AS | Hafrsfjord | 2005 |
| Rørlegger Svein Andersen AS | Porsgrunn | 2016 |
| Rørlegger Svein Dagalid AS | Rauland | 2012 |