Corporate Office - Dixon, IL

Telephone: 815.288.2261

Fax: 815.288.7847

P.O. Box 486

698 Timber Creek Road · Dixon, IL 61021

E-mail: info@wendlerengineering.com

Princeton Office:

Telephone: 815.879.4731

Fax: 815.872.0132

28 E. Marion - Suite 3 · Princeton, IL 61356

Sycamore Office:

Telephone: 815.895.5008

Fax: 815.895.9647

1770 West State St. Suite D · Sycamore, IL 60178

Sterling Office:

Telephone: 815.626.4428

Fax: 815.626.4458

804 Freeport Road - Sterling, IL 61081

Warrenville Office:

Telephone: 630.836.1035

Fax: 630.604.0059

29W120 Butterfield Road Suite #101- Warrenville, IL 60555

Algonquin Office:

Telephone: 815.751.8327

Fax: 815.377.9450

1100 Windy Knoll Drive - Algonquin, IL 60102