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 Wisconsin.
Click one of the buttons or links to navigate through our website. You will find useful information about our products, services, employees, and personnel. Be sure to visit Info.Net, our technical information service.
