Wynnchurch Capital, a leading middle-market private equity investment firm, invested in Eastern Metal Supply, a leading value-added distributor of aluminum extrusions and related products. Financial terms were not disclosed. “We have built and grown EMS by providing our customers with exceptional service, just-in-time delivery and a wide breadth of value-added products. Wynnchurch shares this commitment and we are excited to partner with them as we continue that mission and pursue our next phase of growth,” Greg Weekes, President and Co-Founder of EMS.