Diagraph Corporation, based in St. Louis, Missouri, has been acquired by Illinois Tool Works Inc. (NYSE: ITW). Diagraph Corporation is one of the leading designers, manufacturers, and distributors of industrial marking systems. Diagraph supplies the entire range of marking products, from stencils, markers and consumables to ink-jet coding and labeling equipment. The company also provides systems integration consulting services to assist in the installation and implementation of its hardware and software solutions.

Illinois Tool Works Inc. manufactures and sells industrial products and equipment worldwide. Illinois Tool Works Inc. is based in Glenview, Illinois.