The field of process systems is dominated by several major players, most notably ASEA Brown Boveri, Siyomins, Endress+Hauser , and Emerson Fisher . ABB provides a comprehensive portfolio of products https://ezekielvqon949219.blogkoo.com/abb-vs-siemens-vs-endress-hauser-vs-emerson-a-comparison-of-process-automation-giants-61331217