Several companies , including ASEA Brown Boveri, Electrical Siemens, E+H, and Emerson Electric, dominate the process automation landscape . ABB specializes in automated systems and drives , while https://geilebookmarks.com/story21825656/asea-brown-boveri-versus-siemens-versus-endress-hauser-versus-emerson-a-look-at-leading-automation-firms