 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 it is expanding its presence in Michigan to align its production capacity with a new strategic customer relationship. Expanding our manufacturing capacity in Michigan this year is an integral part of our 