May River Capital, a Chicago-based private equity firm, completed the acquisition of PaperTech, a manufacturer of paperboard packaging products to the frozen food industry and foodservice markets. Financial terms were not disclosed. "After extensive evaluation, we are pleased to be partnering with May River Capital, given their focus on doing the right thing every day for employees and customers. We value May River's unique operational mind-set and believe its leadership team will bring meaningful expertise and resources to capitalize on PaperTech's outstanding growth opportunities," Al Fotheringham, PaperTech Co-Founder.