Helping Transform Manufacturing for Companies Around the World!

Serving Industrial Power Conversion Needs Since 1980!
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In the world of resistance welding, glass making, and heat-treating RoMan helps to simplify the manufacturing process for thousands of products. From automobiles, glass and jet engines to solar panels, water heaters and wire mesh grating, our products help to reduce costs, while increasing productivity and quality.

The Power to Transform

With a vision to be the global brand of choice for industrial power conversion solutions and a mission to deliver the best power conversion solutions to our customers, RoMan Manufacturing is one of the world’s leading manufacturers of water-cooled transformers and Power Source Systems. Our products and services have made us the choice of many companies around the globe.

Careers At RoMan

At RoMan, we are committed to our employees who in turn are committed to manufacturing the highest quality products for our customers—that’s how we’ve become an industry leading company.

News, Events & Resources

Find the latest news about RoMan, list of future trade shows and training seminars, and resources such as white papers, webinars, videos and more.


Furnace North America 2020 – Virtual


Join the Resistance!


Robert Roth installed as President of the American Welding Society


RoMan Manufacturing helps restore the Statue of Liberty!


RoMan Opens Safely!


Don DeCorte Chair of RWMA


RoMan Wins Manufacturing Business of the Year!

Transformer Repair Services

Click below to request a Return Material Authorization (RMA) #.

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