Old school – Groups and centers that were founded by pioneers of Méthode Naturelle or their direct followers
Belgium 
Fédération Belge d’Hébertisme (FBH) – Sport’nat®
The world’s biggest Méthode Naturelle organization with over 300 members. This federation unites 10 non-commercial centers in Wallonia and Brussels that are independent from each other. Most of them operate on special fitness trails. Since 2013 the federation has registered the name Sport’nat for easy representation and recognition. To their webpage
Hébertisme Asse
This center in Flanders headed by Frank Mattens celebrated 2016 its 35th anniversary. It is well-known for its high-intensity training. The group is a part of Roska Sportclub and recently became a member of Sport’nat. To their webpage
France 
Centre Hébertiste Nantais
The center celebrated its 70th anniversary in 2013 with a big happening. It is located in the city of Nantes and operates on its own stadium ‘Raymond-Baumard’, equipped with obstacles and sheds. Address: Rue des Bosquets, 44100 Nantes. To their Facebook page
Le Centre Hébertiste de La Brède
The center is located south of Bordeaux and was founded in 1950 by Pierre Barron. Nowadays the center has several sessions pro week and puts a lot of effort into defense (judo, aikido, jujutsu) and rescue swimming. Old webpage with photos. Current webpage with training schedule.
Centre Hébertiste Orléanais
The center in Orléans was founded in 1914 and revived in 2017. To their Facebook page
GHIA
Groupe Hébertiste indépendant d’Aulnay in the north-eastern suburbs of Paris. To their webpage.
Congo (democratic republic) 
Centres Hébert de Kinshasa et de Bita
Established 2012 by the Belgian FBH in Kinshasa and Bita (65km from Kinshasa). To the article and inauguration videos
New generation – Groups and centers founded after 2010 by newcomers
Germany 
Méthode Naturelle München
This first German center was founded in 2011 and counts about 30 members and several coaches. It has several sessions per week and emphasizes the importance of resistance training, swimming and social commitment. The group is part of the FSC sports club. To their webpage
Méthode Naturelle NRW
A group near Cologne, founded 2015, that meets up two times a month for MN training. To their Webpage
Parkour-Natur Grimma
A group near Leipzig, founded 2019, that offers a training for children and their families.
To their Webpage
To the Webpage of their gymclub
Italy 
Hebertismo
A team near Vicenca who learned Méthode Naturelle through their work in AGESCI (Principal Italian boy scout association) and shares their experience in workshops and training. Their long suit are games and teamwork, thank to their scout background. To their webpage.
Our parkour friends – Parkour communities that are interested in MN and integrate it in their training
Austria 
Méthode Naturelle Österreich
A project started by a traceur from Vienna to spread MN in Austria. You can contact them at their webpage for a mutual training.
Brazil 
RasTracer- Parkour & Método Natural 
A group of traceurs in Jaboticabal, to the north of São Paulo, also practices Méthode Naturelle. To their Facebook page.
Colombia 
Central Parkour
A parkour group in Medellín integrates MN in its workouts. To their Facebook page.
Germany 
Bewegung Naturelle Potsdam
Traceurs with longstanding experience offer besides parkour also a weekly MN training. To their webpage.
Indonesia
Parkour Jakarta
Large Parkour Community that lives Hébertism in its spirit and some of trainings. Just check some of their videos! To their Facebook page.
USA 
Hawaii Parkour
Probably the first group who was really interested in MN. Back then its members Gregg and Pilou undertook a first English translation of Héberts “Practical guide” and shared it around. Their Hawaii Parkour Forum has lots of topics on MN (mostly old though).
Haven’t find anything close? There a lot of people that silently train MN on their own. Try Facebook group to check if there is on of them also in your hood.
P.S.
We only listed centers and groups that train true to Méthode Naturelle philosophy. There are a lot of new-age commercial offers worldwide that take the movement core from MN.