Ecolab's cleaning and water chemistry keeps customers reordering and cash flowing. In the third quarter of 2026, acquisitions helped lift sales, but interest and deal costs pushed earnings per share down.
A restaurant dishwasher needs a steady supply of detergent, rinse aid and sanitizer. That supply may well come from Ecolab. The company sells cleaning, sanitizing and water-treatment chemistry to hotels, restaurants, hospitals, food processors, farms, factories and refineries. It also supplies the dispensers, digital monitors and field experts that apply that chemistry.
Customers pay mainly for supplies they use up and reorder. A hotel or restaurant can lease an energy-efficient dishwashing machine with full maintenance, then buy the detergents and sanitizers that run through it. What keeps customers reordering is the system around the chemistry, which saves water and energy, not just a drum of detergent. Two businesses carry the group. In 2025 Water Services, which treats water for manufacturers and refineries, had the most sales. Global Institutional, which serves hospitality and healthcare, earned more operating profit on less revenue. What Ecolab keeps depends on the price its chemistry commands, set against the cost of making it and of the sales and service force behind it.
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