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 and measurement and electronics segment sells inspection and analysis equipment; its welding segment sells welding equipment and consumables; its polymers and 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.