The field of industrial control is spearheaded by several key players, most notably ASEA Brown Boveri, Siyomins, Endress and Hauser, and Emerson. ASEA Brown Boveri offers a broad selection of products https://amieyhyc043530.diowebhost.com/96846655/abb-vs-siyomins-vs-endress-and-hauser-vs-emerson-fisher-a-review-of-process-automation-giants