Ecolab Inc. operates through three core segments: Global Industrial, Global Institutional & Specialty, and Global Healthcare & Life Sciences. The company delivers specialized cleaning, sanitizing, and water treatment solutions to a diverse range of industries, including food and beverage processing, hospitality, healthcare, pharmaceuticals, and industrial manufacturing. Its offerings include consumable chemicals, cleaning systems, monitoring equipment, and on-site services provided by field technicians. Ecolab generates the majority of its sales through recurring revenue streams, underpinned by long-term service agreements and the continuous supply of chemical products. The company was originally founded as Economics Laboratory and initially focused on cleaning products for hotels.