Nalco Holding Company Corporate Office

Nalco Holding Company traces its roots to the establishment of National Aluminate Corporation in 1928, which was formed by the merger of Chicago Chemical Company and the Aluminum Sales Corporation.

National Aluminate became Nalco Chemical Company in 1959. In 1999 the company was acquired by GDF Suez.

In 2003 Nalco was acquired by a private equity group made up of Blackstone Group, Apollo Management, and Goldman Sachs Capital Partners.

Today Nalco Holding Company is a wholly-owned subsidiary of Ecolab Inc., a supplier of water, energy, and air improvement solutions company.

Nalco Holding Company is the world’s largest maker of chemicals used in water treatment for industrial processes. The company’s Energy Services division provides fuel additives and oilfield chemicals to energy companies.

Nalco Holding Company traces its roots to the establishment of National Aluminate Corporation in 1928, which was formed by the merger of Chicago Chemical Company and the Aluminum Sales Corporation.

National Aluminate became Nalco Chemical Company in 1959. In 1999 the company was acquired by GDF Suez.

In 2003 Nalco was acquired by a private equity group made up of Blackstone Group, Apollo Management, and Goldman Sachs Capital Partners.

History

Today Nalco Holding Company is a wholly-owned subsidiary of Ecolab Inc., a supplier of water, energy, and air improvement solutions company.

Nalco Holding Company is the world’s largest maker of chemicals used in water treatment for industrial processes. The company’s Energy Services division provides fuel additives and oilfield chemicals to energy companies.