About Ronolco – OLD


Welcome to the world of Ronalco, one of the oldest names in Porcelain Enameling furnaces and ancillary equipment. Our furnaces pioneered Horizontal Radiant Tube technology in the Porcelain Enameling field and we have built the highest efficiency furnaces in every segment of the industry.

Today, we are in our fourth decade of service to the Porcelain Enameling Industry and we offer a full line of furnace designs, refractory materials and installation, alloy tubes and associated components, alloy tooling, conveyor systems, burners, controls and components, as well as the field capabilities required to install and repair any equipment in your porcelain enameling facility.

Our innovative approach and cost effectiveness has allowed Ronalco to build many turnkey systems, at a fraction of the cost of other available systems. If fuel efficiency, innovative design, quick delivery and cost effectiveness are important to you, Ronalco will meet or exceed your highest standards.


Four years ago Drennan Equipment Company, Inc. merged with Ronalco, a manufacturer of specialized industrial furnaces and finishing systems that was started in 1972 by Ron Allen.

Ronalco provides services to customers in the porcelain enameling, heat treat and powder coating industries throughout North & South America and Europe.

We attribute the longevity of both sides of the company to our commitment to the best customer service, a strong work ethic, and competitive pricing. We truly believe that these qualities translate in to satisfied, repeat customers.  Our goal is to make your experience an enjoyable one so that you will return to do business with us again.

Today, after 38 yearsDrennan/Ronalco is proud to remain a family owned company that is able to provide the highest level of personalized service to our customers throughout multiple types of industries and organizations. This is done by utilizing a wide range of products and services, intuitive thinking, and strengths from both divisions of our company.