Several companies , including ABB , Electrical Siemens, Endress+Hauser , and Emerson , lead the industrial automation landscape . ABB is known for power & automation and drives , while Electrical Siemens https://7prbookmarks.com/story22033935/asea-brown-boveri-versus-siemens-versus-endress-hauser-versus-emerson-a-comparison-at-industrial-automation-giants