Illinois Tool Works Inc. is a global manufacturer of a diversified range of industrial products and equipment operating through 88 divisions in 49 countries. As of December 31 2025 the company employed approximately 43000 people. The company designs produces and sells components fasteners equipment and specialty solutions across multiple end markets.

The company generates revenue by selling its products directly to industrial manufacturers and through independent distributors. Its offerings include automotive components fasteners commercial food processing equipment test and measurement instruments welding equipment adhesives sealants fastening systems and specialty items such as beverage packaging and product coding solutions. Sales are made to original equipment manufacturers food service providers construction firms and various industrial customers.

The company operates through the following segments Automotive OEM Food Equipment Test & Measurement and Electronics Welding Polymers & Fluids Construction Products and Specialty Products.

• Automotive OEM: This segment supplies components and fasteners to automotive original equipment manufacturers producing plastic and metal parts assemblies for automobiles light trucks and other industrial uses.

• Food Equipment: This segment provides commercial food equipment including warewashing cooking refrigeration food processing and kitchen ventilation systems along with service maintenance and repair for food service food retail and institutional markets.

• Test & Measurement and Electronics: This segment offers test and measurement equipment consumables and software electronic assembly components static control items and pressure sensitive adhesives serving electronics general industrial automotive energy and consumer durables markets.

• Welding: This segment manufactures arc welding equipment metal arc welding consumables and accessories serving general industrial fabrication shipbuilding construction energy MRO and automotive markets.

• Polymers & Fluids: This segment produces engineered adhesives sealants lubricants cutting fluids and related products for automotive aftermarket general industrial and MRO applications.

• Construction Products: This segment supplies engineered fastening systems including fasteners anchors metal plate truss components and packaged hardware for residential renovation and commercial construction markets.

• Specialty Products: This segment focuses on beverage packaging equipment product coding and marking appliances airport ground support and medical device components serving food and beverage consumer durables airlines general industrial and printing markets.

The company holds a diversified position across many fragmented industries where it competes with numerous regional specialists and larger corporations. Its competitive advantages stem from the ITW Business Model which emphasizes the 80/20 process customer back innovation and a decentralized entrepreneurial culture. In the Welding segment it faces direct competition from Lincoln Electric Holdings Inc and ESAB Corporation while other segments encounter varied competitors based on product line and geography. The global footprint and proprietary technology further strengthen its market stance.

The company serves a broad range of customers including automotive original equipment manufacturers food service and retail operators construction firms industrial manufacturers and service providers. Specific customer names are not disclosed in the filing but the revenue base consists of OEMs distributors and end users across the sectors served.