These major players – ABB , Siemens AG, Endress+Hauser , and Fisher Controls – represent the pinnacle of process automation , each possessing distinct strengths . Asea Brown Boveri is noted for its automation https://ianacbv541791.shotblogs.com/asea-brown-boveri-siemens-ag-e-h-emerson-fisher-a-detailed-analysis-56396542