Lincoln International (“Lincoln”), a leading global mid-market investment bank, is pleased to announce that ZSi, Inc. and Foster Manufacturing Co., Inc. (collectively “ZSi-Foster” or the “Company”) have been sold by Fulham & Co. (“Fulham”) to Pfingsten Partners, L.L.C., a Chicago, Illinois-based private equity firm which invests in manufacturing, distribution and business services companies. Terms of the transaction were not disclosed.