CI vs ITW Comparison

Cigna primarily provides pharmacy benefit management and health insurance services. Its PBM and specialty pharmacy services, which were greatly expanded by its 2018 merger with Express Scripts, are mostly sold to health insurance plans and employers. Its largest PBM contract is with the Department of Defense, and it recently won a multiyear deal with top-tier insurer Centene. In health insurance and other benefits, Cigna primarily serves employers through self-funding arrangements, and the company operates mostly in the US with 16 million US and 2 million international medical members covered as of December 2025.

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.