AlliedBarton Security Services, a portfolio company of Wendel SE, has merged with Universal Services of America, a portfolio company of Warburg Pincus and Partners Group. According to terms of the transaction, Wendel received $388 million in cash and a minority stake (33 percent) in Allied Universal. The combined company will operate under the AlliedUniversal brand and remain based in Santa Ana, California and Conshohocken, Pennsylvania. AlliedUniversal is a facility services company.