Numerous companies , including ABB , Electrical Siemens, Endress+Hauser , and Emerson , dominate the factory automation sector . ABB specializes in automated systems and electrical solutions, while https://bookmarklinking.com/story380448/asea-brown-boveri-versus-siemens-versus-endress-hauser-versus-emerson-electric-a-look-at-industrial-automation-giants