SI Manufacturing is dedicated to producing and providing the highest quality, up-to-date classroom materials for wholesale to educational dealers and educational catalog companies worldwide.

Beginning with the first SI Manufacturing metric products in 1968 and the development of a wide range of popular and innovative math, science, technology, and literacy manipulatives, our goal is to design products to enhance learning in the classroom.

SI Manufacturing resource materials and manipulatives can be integrated easily into existing curriculum, either at school or at home, to help children learn essential skills and develop their problem-solving abilities. In addition to hundreds of SI brand products, SI Manufacturing is also the North American Importer and wholesaler for these top quality brands of educational materials: