- Carsrud Corner Montessori - Customized educational materials and paper products certified by AMS.
- Heart in Hand - Materials for early-childhood and elementary classrooms.
- In-Print for Children - Picture cards and charts designed for matching, classifying, labeling, and sequencing in areas of sensory perception, language, geography, biology, and zoology. For early childhood and elementary classrooms.
- Lakeview Montessori Learning Materials - Word objects and phonic materials for Montessori classrooms.
- Maitri Learning - Montessori Card materials for reading, science, geography, and math.
- Montessori Album Teaching Guide Books. - Montessori guide books for those working with young children.
- Montessori Educational Computer Systems - Interactive multi-sensory software with spoken presentations. CDROMs available for Macintosh or Windows.
- Montessori for Everyone - Montessori materials for schools and homeschools; available printed and as PDFs. Categories include language, math, geometry, art, music, history, and geography.
- Montessori House - Montessori related DVD's for use by home schoolers.
- Montessori Images - Features illustrative companion activities for children's picture books
- The Montessori Materials Group - Free downloads of curriculum support materials for Montessori classrooms and homeschools. User driven.
- Montessori 'N Such, Inc. - Sells life skills, sensory education, mathematics, language and thematic units for early-childhood and elementary classrooms.
- Montessori Print Shop - Montessori materials for Primary and Elementary schools and Homeschools. Materials are available in Print, PDF Files and CD Rom format.
- Montessori Research and Development - Educational materials, books, and manuals for early-childhood and elementary.
- Montessori Services - Child-size products for preschoolers. Includes practical life, sensorial, language, science, geography, music, art, manipulatives, and parent-teacher resources.
- The Prepared Environment - Resources to help Montessori teachers get organized.
- USA Montessori Organization - International online 6-9 elementary education diploma program for Montessori schools. Includes albums, books, and school certification.
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