If you are a Nalco customer your Nalco sales engineer or technical service representative can best answer your questions and provide you with expert assistance with a specific problem or challenge. You can also use the Nalco Extranet as a valuable tool for help and information, including online ordering. Take the online tour to learn more about the Extranet.

Listed below are our regional headquarters locations with links that allow you to learn more about Nalco in each region and find the Nalco office nearest to you.

North America - corporate headquarters
Nalco Company
1601 W. Diehl Road
Naperville, IL 60563-1198 U.S.A.
Tel: 1.630.305.1000
Fax: 1.630.305.2900
U.S. Order Management: 1.800.288.0879
Canada Order Management: +1.800.265.5059 (English)
                                            +1.800.265.5977 (French)
Email Us
Click here for more about Nalco in North America and to find your nearest sales office.

Latin America
Nalco Latin American Operations
Av. Das Nações Unidas,
17.891, 6° andar Santo Amaro 04795-100 São Paulo-SP,
Brasil
Tel: 55.11.5644.6500
Fax: 55.11.5644.6577
Click here for more about Nalco in Latin America and to find your nearest sales office.

Europe/Africa/Middle East
Nalco European Operations
2342 BV Oegstgeest
P.O. Box 627, 2300 AP Leiden, The Netherlands
Tel: 31.71.524.1100
Fax: 31.71.524.1197
Click here for more about Nalco in Europe and to find your nearest sales office.
Click here for more about Nalco in Africa and to find your nearest sales office.

Asia Pacific
Nalco Pacific Pte. Ltd
2 International Business Park #02-20
The Strategy Tower 2
Singapore 609930
Tel: 65.65056868
Fax: 65.63161172
Click here for more about Nalco in Asia and to find your nearest sales office.

Energy Services Division
7705 Highway 90-A
Sugar Land, TX 77478 USA
Tel: 1.281.263.7000
Fax: 1.281.263.7900