
The boards of directors of Ecolab Inc. and Nalco Holding Company have unanimously approved a definitive agreement under which Nalco will merge with a subsidiary of Ecolab.
Ecolab Inc. is a global leader in cleaning, sanitizing, food safety and infection prevention products and services. Nalco is the world's largest sustainability services company focused on industrial water, energy and air applications, and is seen as a natural complement to Ecolab’s portfolio.