 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 has finalized an agreement to open a new manufacturing facility in Hazel Park, Michigan to align production capacity with a new strategic customer relationship. We are pleased to have finalized our pl 