Crayola is a brand of artists' supplies manufactured by Crayola, LLC and best known for its crayons. Originally an industrial pigment supply company, Crayola soon shifted its focus to art products for home and school use, beginning with chalk, then crayons, followed later by colored pencils, markers, paints, modeling clay, and other related goods. The company also produces Silly Putty and a line of professional art products under the Portfolio Series brand.