SupplyOne Inc. has acquired Wertheimer Box, an 86-year-old Chicago-area corrugated packaging provider, aiming to strengthen its presence in the Midwest and expand its custom packaging capabilities, the company said Tuesday. Based in McCook, Illinois, Wertheimer Box specializes in custom shipping boxes, branded packaging, e-commerce mailers and point-of-purchase displays. The company has around  50 employees and operates a 303,000-square-foot plant. “By acquiring Wertheimer Box, we are integrating a highl ...