MOUNT KISCO, N.Y.–(BUSINESS WIRE)–Kohlberg, a leading U.S. middle-market private equity firm, today announced that it has acquired a majority interest in Advanced Industrial Devices (“AID” or the “Company”), a provider of highly engineered automation and control solutions to mission-critical infrastructure, from Black Bay Partners (“Black Bay”). AID’s existing management team, led by Chief Executive Officer Russell Claybrook, will retain a significant ownership interest in the Company. Terms