Numerous firms , including ASEA Brown Boveri, Electrical Siemens, E+H, and Emerson Electric, dominate the process automation sector . ABB specializes in robotics and motion control , while Siemens https://nowbookmarks.com/story22018840/abb-versus-electrical-siemens-versus-endress-hauser-versus-emerson-electric-a-look-at-leading-automation-firms