EMCOR Group announced Anthony J. Guzzi has been named president and chief operating officer, effective Oct. 25. Frank T. MacInnis will remain as chairman and chief executive officer. Guzzi has held senior leadership positions at United Technologies Corp. and its subsidiary Carrier Corp. since 1997. Since 2001 he had been president of Carrier's North American Parts, Distribution and Services division, which has annual revenues of $2.6 billion.