Kumon North America Inc. is one of the largest after-school math and reading enrichment programs in the world. Located in Tucson, Ariz., the company allows students of all ages and abilities to develop the skills necessary to have more successful educational experience. It offers a series of educational programs in the categories of Kumon Reading and Kumon Math. Through its math program, the company helps students develop mental calculation and reasoning skills and improve their problem-solving techniques.