Quite a few firms , including ASEA Brown Boveri, Siemens , Endress+Hauser , and Emerson Electric, represent the process automation market. ASEA Brown Boveri offers power & automation and drives , while https://kingbookmark.com/story22022249/abb-versus-electrical-siemens-versus-endress-hauser-versus-emerson-a-comparison-at-leading-automation-firms