Georges Rouleau opened his doors in 1981 with a vision of constructing his own machines for creating the best in class Mandrels for the Cold Pilgering Industy. From self-created inspection machines with proprietary software to retro fitted manual lathes and cylindrical grinders with CNC capability, even Ratio's own steady follow rest was developed to support any size diameter mandrel.

In 2008 Georges past away and left the company in position for continued success. In 2010 several investors purchased Ratio with the same ideas and principals that made Ratio a thriving business. The owners invested in new equipment with the purpose of making mandrels faster while maintaining the accuracy established by Georges.

With over 20 years of machining experience the new ownership has positioned Ratio with the ability to maintain best in class Mandrels but also best in class one offs to short run prototyping and production runs for nearly every industry.

Please click on the Services tab above to see what Ratio can do for you. When finished please email us for a quote or call 313-531-5155 to personally talk with us.