Quite a few companies , including ASEA Brown Boveri, Electrical Siemens, Endress+Hauser , and Emerson Electric, represent the factory automation market. ABB specializes in power & automation and motion https://7bookmarks.com/story21814314/asea-brown-boveri-versus-siemens-versus-endress-hauser-versus-emerson-electric-a-comparison-at-industrial-automation-giants