Organisation Nienhuis Montessori Nienhuis Montessori was founded in 1929 by Albert Nienhuis, who collaborated with Maria Montessori to create materials reflecting her revolutionary approach to education.
Organisation Matsumoto Kagaku Japan Founded in 1957, Matsumoto has been an AMI authorised manufacturer since 2006, producing educational materials and furniture.
Organisation Agaworld Montessori Established in 1980 and endorsed as an approved AMI Montessori materials manufacturer in 2016, Agaworld Montessori is the only company in the world that has acquired three rights from Montessori Parish Certification, Training Center Management and Membership M...
Organisation Gonzagarredi Montessori Gonzagarredi Montessori can define itself as the History of Montessori materials because it was in collaboration their firm (then known as "Ernesto Bassoli e Figli" and afterwards "Società Anonima per il Materiale Montessori") that Maria Montessori produced th...