# Nalco Holding Company

Employer · Naperville, IL 60540

Canonical page: https://career.thegoodapps.co/organizations/nalco-holding-company

## What We Do

Nalco Holding Company, tracing its roots to 1928, was an American supplier of water treatment, energy, and air-quality improvement products and services for industrial and institutional customers. It became a wholly owned subsidiary of Ecolab in 2011 following a $5.4 billion acquisition and now operates as Nalco Water, headquartered in Naperville, Illinois.

## Locations
- Naperville, IL 60540 (headquarters)
- Naperville, IL 60563