 MAYVILLE, Wis.--BUSINESS WIRE--Mayville Engineering Company NYSE: MEC the Company or MEC, a leading U.S.-based value-added manufacturing partner that provides a broad range of prototyping and tooling, production fabrication, coating, assembly and aftermarket services, today announced that it has entered into a long-term agreement with a leading U.S. based fitness company. We are proud to be working with one of the most innovative pioneers in the world of fitness, stated Robert D. Ka 