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1601 W. Diehl Road
Naperville, IL 60563-1198
630-305-1000  Phone

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11177 S. Stadium Drive
Sugar Land, TX 77478.
281-632-6500  Phone


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Investor Update: Ecolab and Nalco Complete Merger

Shareholders from both Ecolab Inc. and Nalco Holding Company overwhelmingly approved the merger of the two companies on November 30. The merger became effective on December 1, 2011, creating the global leader in water, hygiene and energy services, offering premier product solutions, the industry’s largest and best-trained sales and service force, coverage in more than 160 countries, and 2011 annualized sales of more than $11 billion.

For financial information about Ecolab Inc., a Nalco shareholder FAQ, and tax information related to the merger transaction please visit the Ecolab Investor website.  

For more information about the strengths of the combined company please visit