Founded in 1912, Illinois Tool Works has become a diversified industrial manufacturer through acquisitions and innovations that follow customer needs. ITW operates through seven business segments, with no segment representing more than one fifth of revenue. ITW's automotive OEM segment sells vehicle components; its food equipment segment sells commercial kitchen appliances; its test & measurement and electronics segment sells inspection and analysis equipment; its welding segment sells welding equipment and consumables; its polymers & fluids segment sells industrial and consumer adhesives, solvents, and coatings; its construction products segment sells building fasteners and tools; and its specialty products segment sells medical, packaging, HVAC, and airport ground equipment.