Nalco Chemical Company Profile. A global leader in water and process management solutions, nalco water, an ecolab company, works with customers across a wide range of industries to help minimize. A global leader in water and process management solutions, nalco water, an ecolab company, works with customers across a wide range of industries to help minimize.

With a presence at more than 100,000 customer sites in varying industries, we leverage connected chemistry, digital innovation. Nalco company, also known as nalco water, is a global provider of water treatment and process improvement solutions.