Quite a few firms , including ABB , Electrical Siemens, Endress+Hauser , and Emerson , represent the process automation landscape . ASEA Brown Boveri offers automated systems and electrical solutions, while https://extrabookmarking.com/story21960613/asea-brown-boveri-versus-siemens-versus-endress-hauser-versus-emerson-a-comparison-at-leading-automation-firms