Numerous companies , including ASEA Brown Boveri, Electrical Siemens, Endress+Hauser , and Emerson Electric, represent the process automation market. ASEA Brown Boveri offers automated systems and drives , https://bookmarks-hit.com/story371606/asea-brown-boveri-versus-electrical-siemens-versus-e-h-versus-emerson-a-look-at-leading-automation-firms