Nalco is an Ecolab company.
With more than 38,000 employees and 2011 annualised sales of $11 billion. Ecolab is the global leader in water, hygiene and energy technologies.
They specialise in services that provide and protect clean water, safe food, energy and healthy environments. Ecolab delivers programmes and services to the food, energy, healthcare, industrial and hospitality markets in more than 160 countries.