How do i contact ecolab customer service? Ecolab Inc. 1 Ecolab Place. St. Paul, MN 55102. Ecolab Customer Service. Phone: +1-800-352-5326. Nalco Water Customer Service. Phone: +1-800-288-0879. Nalco Champion Customer Service. Phone: +1-877-288-3512.Where can i find ecolab in canada? 5105 Tomken Road, Mississauga, ON, L4W 2X5. Phone: +1-800-352-5326. Ecolab Co. 2222 Boulevard Dagenais Ouest, Laval, QC, H7L 5Y2. Phone: +1-800-352-5326. For Food & Beverage Processing: Ecolab Co. 5105 Tomken Road, Mississauga, ON, L4W 2X5. Phone: +1-800-465-1914.Do you have questions and comments about ecolab? We know you have questions and comments. That's what this page is for. Select the area of your interest and you'll be off to the right Contact Us information. Thanks for your interest in our Ecolab.What does ecolab mean? Ecolab Inc. is a global provider of water, hygiene, and infection prevention solutions for customers in food, healthcare, hospitality, industrial and oil and gas markets. The Company's services include food safety, sanitation, optimization of water and energy use, improvement of operational efficiency and sustainability.