

Dedicated to helping you succeed.
For over 30 years we have supplied quality products through highly qualified technical sales associates to the commercial HVAC and industrial market place.
Our commitment to selling only quality products and backing them with our service and support has helped us grow. We continue to grow to serve you better.
Maddock Industries, Inc. is a manufacturers' representative for commercial and industrial HVAC products.
We provide sales and service throughout Illinois and NW Indiana.
Growing to serve you better.