Several firms , including ABB , Siemens , Endress+Hauser , and Emerson Electric, lead the factory automation sector . ASEA Brown Boveri is known for automated systems and electrical solutions, while https://bookmarklethq.com/story21925493/abb-versus-electrical-siemens-versus-e-h-versus-emerson-electric-a-look-at-industrial-automation-giants