- AMI Training Centres www.ami-global.org/
- MEPI (Montessori Educational Programs International) www.mepiforum.org/
EUROPA
- MMI (Maria Montessori Institute) www.mariamontessori.org/
- Montessori društvo Srbije www.montesori.org.rs/
- Opera Nazionale Montessori www.operanazionalemontessori.it/
- Stručno – razvojni centar Montessori u RH – Dječji vrtić Srčeko, Zagreb www.srceko.com/
- Stručno – razvojni centar u RH – Dječji vrtić Vrbik, Zagreb http://www.vrtic-vrbik.zagreb.hr
- Stručno – razvojni centar u RH – Dječji vrtić Montessori, Zagreb https://www.dv-montessori.hr/
- Stručno razvojni centar u RH – Dječji vrtić Montessori dječja kuća, Split http://www.dv-montessori-djecjakuca.hr/strucno-razvojni-centar/
AFRIKA
- Montessori centre South Africa www.montessorisa.co.za/training-centres/
AUSTRALIJA I OCEANIJA
- MMEF (Maria Montessori Education Foundation) www.mmef.org.nz/
- Montessori Australia www.montessori.org.au/
AMERIKA
- MACTE (Montessori Accreditation Council for Teacher Education) www.macte.org/
- MINW (Montessori Institute Northwest) www.montessori-nw.org/
- Montessori Educational Centres Inc. www.omahamontessori.com/
- MTCM (Montessori Training Center of Minesotta) www.mtcm.org/
- M.W.E.I. (Montessori World Educational Institute) www.montessoriworld.org/
- NAMC (North American Montessori Center) www.montessoritraining.net/
- The Montessori Institute Denver www.tmidenver.com/
- UMA (United Montessori Association) www.unitedmontessori.com/