These industry giants – ABB , Siemens AG, Endress+Hauser , and Fisher Controls – represent the pinnacle of industrial automation , each possessing distinct strengths . ABB is noted for its automation systems https://cyrusjfoz054031.oneworldwiki.com/7802053/asea_brown_boveri_siemens_ag_endress_hauser_fisher_controls_a_comparative_analysis