Quite a few firms , including ABB , Siemens , Endress+Hauser , and Emerson , represent the process automation landscape . ASEA Brown Boveri specializes in robotics and motion control , while Siemens features https://cruxbookmarks.com/story22050447/abb-versus-electrical-siemens-versus-endress-hauser-versus-emerson-a-comparison-at-industrial-automation-giants