Every month, up to 20 railcars, 500 tanker trucks and 2,000 freight shipments are loaded up with chemical products produced at Ecolab's 58-acre plant in St. John the Baptist Parish.

Headed to destinations ranging from nearby chemical plants to international clients, the Minnesota-based company ships about 227 million pounds of finished products from the Garyville facility.

Some 800 in all, those products are used for water treatment, industrial chemical processes and the systems used in cool power plants and AI data centers, as well as in more familiar settings like the hospitality industry.

Ecolab is the biggest U.S.-based player spanning the cleaning, sanitation and water management business. Analysts estimate it controls nearly 10% of a $165 billion global market. And about 10% of it

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