Wynnchurch Capital, a private equity firm, completed the acquisition of Drew Foam, a fabricator of expanded polystyrene foam used in packaging and building products, from Branford Castle Partners, a private equity firm. Financial terms were not disclosed. "Our partnership with President & CEO Bill Givens has been incredible. Drew's unique business model allowed it to achieve significant heights despite challenging economic times. This investment outperformed our optimistic expectations," Laurence Lederer, Branford Senior Managing Director.