- Albanesi Montessori Educational Center - Offers Contemporary Montessori Education (C.M.E.) training programs.
- Bambini Montessori Materials - Malaysian manufacturer and exporter of materials, equipment, teaching aids, and other educational products.
- Bruins Montessori International USA Inc. - Manufacture and distributes educational equipment (primarily wood products) for the early-childhood classroom.
- Cabdev Montessori - Supplies Montessori Learning Materials throughout Canada and the United States.
- Grandpa's - Sells Montessori materials and specializes in computer-cut puzzle maps.
- Heart in Hand - Materials for early-childhood and elementary classrooms.
- Hello Wood Products - Online wood products catalog of Montessori materials and Classroom furniture.
- 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.
- Juliana Group Manufacturer of Montessori Materials - School furniture and montessori material, which comes with lifetime warranty. We specialize in gonzagarredi materials and furniture.
- Lakeview Montessori Learning Materials - Color catalogue and price list on request.
- Montessori 'N Such, Inc. - Sells life skills, sensory education, mathematics, language and thematic units for early-childhood and elementary classrooms.
- Montessori Aids International - Features montessori products for schools and pre-schools. Shipping internationally from Sri Lanka.
- Montessori Educational Computer Systems - Interactive multi-sensory software with spoken presentations. CDROMs available for Macintosh or Windows.
- 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.
- Nienhuis Montessori - An extensive line of educational materials, specializing in products for the Montessori classroom.
- The Materials Company of Boston - Manufacturer and supplier of early childhood materials and furniture.
- The Michael Olaf Montessori Company - Offers developmentally appropriate Montessori books, toys, games, and tools for ages birth to 12 years.