Align Capital Partners has acquired a majority stake in International Systems of America from Gen Cap America. This is Align’s fifth platform company investment since the firm’s first fund closed in September 2016. Based in Louisville, Ky., ISA  is a leading provider of fire and life safety services and parts for national, regional and local customers. The company serves as fire/security partner for its customers through decades-long relationships with major manufacturers, service companies and suppliers. “ISA has been successful in building a unique, dual-pronged service and parts model facilitating niche leadership within a large, fragmented market,” ISA Managing Partner Steve Dyke said in a statement.