An Industry Leader Magnaflux solutions are found throughout the world in wide range of industries and applications, including: Aerospace Automotive Capital Equipment Civil Engineering Durable Goods Metalworking Military MAGNAFLUX, a division of Illinois Tool Works Inc., is a leading worldwide supplier of magnetic particle, resonant, and dye penetrant inspection equipment and associated chemical products used for nondestructive testing. MAGNAFLUX has 180 employees worldwide with offices in Glenview, IL; Swindon, England; and Brazil with manufacturing facilities in DeWitt and Manchester, Iowa