| Murmester Kristian Sollie AS | Kristiansand S | 2016 |
| Murmester Kåre Berge AS | Hylkje | 1987 |
| Murmester Larsen AS | Høvåg | 1995 |
| Murmester Lid AS | Geilo | 2010 |
| Murmester Lind AS | Løken | 2024 |
| Murmester Lindgren AS | Kristiansand S | 1995 |
| Murmester Løken Petersen AS | Sandvika | 2021 |
| Murmester Magnus Hagen AS | Steinkjer | 2015 |
| Murmester Markussen AS | Gol | 2019 |
| Murmester Morten P Håkonsen AS | Tønsberg | 2014 |
| Murmester Morten Ramsdal AS | Sandnes | 1994 |
| Murmester Morten Røskar AS | Frei | 2021 |
| Murmester Mykland AS | Kråkerøy | 2017 |
| Murmester Mørkedal AS | Kristiansund N | 1991 |
| Murmester Nils Gunnar Øydvin AS | Ulvik | 1987 |
| Murmester Nilsen AS | Rykkinn | 2013 |
| Murmester Oddvar Johannessen AS | Sandefjord | 2011 |
| Murmester Og Entreprenør AS | Oslo | 2017 |
| Murmester Olav Hauge Eftf AS | Gressvik | 1989 |
| Murmester Ole a. Broen AS | Tønsberg | 1988 |
| Murmester Per Andersen AS | Hagan | 1989 |
| Murmester Per Røseplass AS | Vøyenenga | 2020 |
| Murmester Petter Pettersen AS | Søreidgrend | 1981 |
| Murmester PM AS | Vennesla | 2024 |
| Murmester Reidar Pettersen AS | Svelvik | 1972 |
| Murmester Rolf Tjomsås AS | Øvrebø | 2013 |
| Murmester Roy Stenehjem AS | Hylkje | 2012 |
| Murmester Rudi Bjelland AS | Bjørndalstræ | 2014 |
| Murmester Rune Kristiansen AS | Vøyenenga | 2011 |
| Murmester Rune Ytre-Hauge AS | Skien | 2013 |
| Murmester Røseplass & Toming Ans | Lysaker | 1993 |
| Murmester S Sirevåg AS | Sandnes | 1998 |
| Murmester Sekkenes AS | Arendal | 2014 |
| Murmester Sigmund Aardal AS | Sauda | 2008 |
| Murmester Sigurd Djønne AS | Indre Arna | 1957 |
| Murmester Sigurd Tverå AS | Fauske | 2005 |
| Murmester Sivertsen AS | Levanger | 2008 |
| Murmester Skarpenes AS | Randaberg | 2020 |
| Murmester Skjølsvold AS | Rindal | 2012 |
| Murmester Skogbakken AS | Oslo | 2026 |
| Murmester Solberg AS | Kodal | 2017 |
| Murmester Sperrevik AS | Fyllingsdalen | 2008 |
| Murmester Stakston AS | Lillehammer | 2022 |
| Murmester Steinsland AS | Ytre Arna | 2017 |
| Murmester Stensrud AS | Krøderen | 2014 |
| Murmester Storesætre AS | Tysnes | 2021 |
| Murmester Stryken Og Gudbrandsen AS | Lierskogen | 2008 |
| Murmester Svela AS | Sandnes | 1981 |
| Murmester Svend/Flemming Kristiansen AS | Spydeberg | 2022 |
| Murmester Sørensen AS | Grimstad | 2008 |
| Murmester T Pettersen AS | Holmestrand | 2006 |
| Murmester Tellefsen AS | Tolvsrød | 2005 |
| Murmester Terje Dyngeland AS | Bergen | 2000 |
| Murmester Thomas Skauen AS | Færvik | 2023 |
| Murmester Tollef Carlsen AS | Kvernaland | 2005 |
| Murmester Tom Sandblost AS | Nordby | 2024 |
| Murmester Tor Michelsen AS | Sandefjord | 1989 |
| Murmester Tor Trygve Pedersen AS | Bergen | 2015 |
| Murmester Tor Trygve Pedersen Holding AS | Bergen | 1993 |
| Murmester Torbjørn Brun AS | Reksteren | 2009 |
| Murmester Tore Hamlandsø AS | Indre Nærøy | 2012 |
| Murmester Torkild Erlandsen AS | Jevnaker | 2012 |
| Murmester Tormod Grahl-Madsen AS | Bergen | 2010 |
| Murmester Trevland & Sønn AS | Andebu | 2022 |
| Murmester Trond Dal AS | Godvik | 2007 |
| Murmester V. Lindgjerdet AS | Saupstad | 2011 |
| Murmester Vetle Knudsen AS | Færvik | 2023 |
| Murmester Wiik AS | Seim | 2020 |
| Murmester Winnes Håndverk AS | Drammen | 2012 |
| Murmester Yngve Eines AS | Krokelvdalen | 2014 |
| Murmester Åge Leth AS | Sandefjord | 2011 |
| Murmester/Tømrermester Bagroen & Skram AS | Hvalstad | 2025 |
| Murmestercompaniet Løkken & Tollefsjord AS | Skien | 2005 |
| Murmesteren Hammerfest AS | Hammerfest | 2016 |
| Murmesterfirma Høiåsen AS | Vennesla | 2007 |
| Murmesterfirma Walle Og Falk Ans | Oslo | 2004 |
| Murmesterne Viken AS | Oslo | 2023 |
| Murmesterservice AS | Biri | 2005 |
| Murmestre Delphin Og Klashaugen AS | Lillehammer | 1997 |
| Murmestrene Garpestad & Gausland AS | Tau | 1993 |
| Murmestrene Kammen & Sneve AS | Trondheim | 1999 |
| Murmestrene Knudsen & Olsen AS | Laksevåg | 2011 |
| Murmestrene Sveen & Co AS | Oslo | 2022 |
| Murmestrene Tisløv AS | Spillum | 2015 |
| Murpartner AS | Flekkerøy | 2013 |
| Murpartner Eiendom AS | Flekkerøy | 2013 |
| Murpartnern AS | Oslo | 2005 |
| Murphy Pipelines Ltd Norsk Avdeling Av Utenlandsk Foretak Nuf | Stavanger | 2001 |
| Murpuss Og Fasade AS | Oslo | 2024 |
| Murpuss Og Maling AS | Langevåg | 2022 |
| Mursentralen AS | Egersund | 2023 |
| Murspesialisten AS | Heimdal | 2015 |
| Murstad Entreprenørservice AS | Notodden | 2016 |
| Mursystem Holding AS | Jessheim | 2021 |
| Mursystemer AS | Jessheim | 2024 |
| Murtec AS | Tiller | 2011 |
| Murudalsvegen SA | Vinstra | 2014 |
| Musa AS | Rognan | 2024 |
| Musdal Brøytelag AS | Tretten | 2022 |
| Musdalslien & Kolrud AS | Lillehammer | 2012 |