Emerson Electric Co. is an American multinational corporation headquartered in Ferguson, Missouri, United States. Emerson was established in 1890 in St. Louis, Missouri as Emerson Electric Manufacturing Co. by Civil War Union veteran John Wesley Emerson to manufacture electric motors using a patent owned by the Scottish-born brothers Charles and Alexander Meston.main products：Process control systems、Climate technologies、Power technologies、Industrial automation、Electric motors、Storage systems、Network power、Professional tools
