Illinois Tool Works, Inc. engages in the manufacture of industrial products and equipment. It operates through the following segments: Automotive OEM, Test and Measurement and Electronics, Food Equipment, Polymers and Fluids, Welding, Construction Products, and Specialty Products. The Automotive OEM segment produces components and fasteners for automotive-related applications. The Test and Measurement and Electronics segment manufactures equipment, consumables, and related software for testing and measuring of materials, structures, gases and fluids. The Food Equipment segment supplies commercial food equipment and provides related services. The Polymers and Fluids segment provides adhesives, sealants, lubrication and cutting fluids, janitorial and hygiene products, and fluids and polymers for auto aftermarket maintenance and appearance. The Welding segment furnishes arc welding equipment, consumables and accessories for a wide array of industrial and commercial applications. The Construction Products segment makes construction fastening systems and truss products. The Specialty Products segment manufactures beverage packaging equipment and consumables, product coding and marking equipment and consumables, and appliance components and fasteners. The company was founded by Byron L. Smith in 1912 and is headquartered in Glenview, IL.