CHICAGO--(BUSINESS WIRE)--Pritzker Group Private Capital today announced that it acquired Chicago-based LBP Manufacturing, Inc., a leading global producer of innovative, sustainable food and beverage packaging. Pritzker Group Private Capital is acquiring LBP from Barry Silverstein. Barry, who took over the company from his father Len Silverstein, used a combination of product innovation, customer knowledge, leading production capabilities and strategic marketing to grow LBP into a market leader