| HELSELYST AS | 935919207 | Drammen | 16 July 2025 | Active |
| SOLVÆRØYANS MUSEUM | 835836142 | Sleneset | 29 June 2025 | Active |
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| LØDINGEN 1940 - 1945 | 933261123 | Lødingen | 2 January 2024 | Active |
| OLE H. RØNNINGENS SAMLINGER | 932181819 | Lillehammer | 20 September 2023 | Active |
| RONALDS LEKETØYSMUSEUM | 931830082 | Ulset | 24 June 2023 | Active |
| JAHN TEIGEN - MINNENE VIL ALDRI DØ STI | 930120553 | Tønsberg | 24 October 2022 | Active |
| STIES TERMO-TRANSPORT AS | 930086088 | Grimstad | 5 October 2022 | Active |
| NORSK MIKROMETEORITTMUSEUM | 829694662 | Hasselvika | 20 August 2022 | Active |
| ARTILLERIFORENING MIDT-NORGE | 929520521 | Stjørdal | 12 May 2022 | Active |
| ANTONIUS GRØNNINGS SNURREPIPERI MUSEUM | 928225003 | Løken | 1 November 2021 | Active |
| KULTURHISTORISK MUSEUM HANGAR 45 AS | 928314537 | Vanse | 5 October 2021 | Active |
| PARADOX OSLO AS | 927234440 | Oslo | 1 May 2021 | Active |
| THE KING'S MANSION AS | 925060771 | Gjerstad | 4 May 2020 | Active |
| BALLSTAD VÆREIERMUSEUM AS | 924869836 | Ballstad | 20 February 2020 | Active |
| LEKSVIK INDUSTRIMUSEUM | 924575204 | Leksvik | 22 January 2020 | Active |
| NOSTALGILÅVEN AS | 922376859 | Eiken | 28 February 2019 | Active |
| VITENSENTER NORDLAND AS | 921990294 | Mo i Rana | 28 November 2018 | Active |
| MIDT-TELEMARK MUSEUMSLAG | 921203179 | Bø i Telemark | 7 May 2018 | Active |
| MONGSTAD MUSEET | 918965793 | Fonnes | 1 March 2018 | Active |
| VITENSENTERET I SOGN OG FJORDANE AS | 920643515 | Kaupanger | 8 February 2018 | Active |
| EIDESVIK MOTOR MUSEUM | 917189056 | Bømlo | 18 October 2017 | Active |
| STIFTELSEN LINGARD SKUTEMINNE | 919019441 | Oslo | 1 January 2017 | Active |
| STORBEKKØYA MUSEUMSSETER AS | 917292752 | Budalen | 1 April 2016 | Active |
| TROMSØ BRANNHISTORISKE SAMLING | 916828640 | Tromsdalen | 13 January 2016 | Active |
| GAMLE MÅRØY AS | 914507197 | Hammerfest | 14 November 2014 | Active |
| STIFTELSEN EAC BILHISTORISK SENTER | 914143209 | Sørum | 13 August 2014 | Active |
| STAVSET GRENDELAG | 912377350 | Oslo | 14 June 2013 | Active |
| GAMLEBYEN MODELLJERNBANESENTER AS | 911696673 | Gamle Fredrikstad | 2 January 2013 | Active |
| RAUFOSS INDUSTRIHISTORISKE SAMLINGER AS | 999627277 | Raufoss | 20 December 2012 | Active |
| FULL STEAM AS | 899208552 | Svolvær | 3 September 2012 | Active |
| MOSVIK MUSEUM OG HISTORIELAG | 998552737 | Mosvik | 15 May 2012 | Active |
| DRIFTSGRUPPEN OSLO UNIVERSITETSSYKEHUS, ULLEVÅL MUSEUM | 898408922 | Oslo | 24 April 2012 | Active |
| HALDEN FENGSELSMUSEUM STI | 998048621 | Halden | 1 January 2012 | Active |
| DET MERKANTILE MUSEUM PÅ GIMLE | 996939057 | Kristiansand S | 8 March 2011 | Active |
| RAUSAND GRUVEMUSEUM | 914497574 | Raudsand | 20 January 2011 | Active |
| KRIGSHISTORISK FORENING BODØ | 996053458 | Bodø | 28 September 2010 | Active |
| PETTER DYRKORN - SAMLINGA | 995080400 | Fjørtoft | 16 January 2010 | Active |
| GUDBRANDSDALSMUSEA AS | 993039160 | Sør-Fron | 25 June 2008 | Active |
| HØNEFOSS TREKKSPILLMUSEUM | 992742313 | Hønefoss | 2 May 2008 | Active |
| STIFTELSEN D/S PELLE | 991846360 | Arendal | 13 September 2007 | Active |
| NMK MOTORSPORTSMUSEUM | 921649290 | Lier | 3 May 2007 | Active |
| MALME GAMLE SKOLE | 928214486 | Malmefjorden | 10 October 2005 | Active |
| INSPIRIA EIENDOM AS | 988839590 | Grålum | 5 October 2005 | Active |
| BERGEN VITENSENTER AS | 989005049 | Bergen | 1 September 2005 | Active |
| FRØKENGÅRDENS VENNER | 989003151 | Skjærhalden | 27 August 2005 | Active |
| VITENSENTERET INNLANDET AS | 986387625 | Gjøvik | 8 October 2003 | Active |
| KRIGSHISTORISK GRUPPE BODØ STI | 986490248 | Bodø | 2 September 2003 | Active |