Several firms , including ASEA Brown Boveri, Siemens , Endress+Hauser , and Emerson Electric, represent the factory automation sector . ASEA Brown Boveri is known for automated systems and motion control , https://bookmarkcolumn.com/story21740358/abb-versus-siemens-versus-endress-hauser-versus-emerson-electric-a-look-at-industrial-automation-giants