Several companies , including ABB , Siemens , Endress+Hauser , and Emerson Electric, lead the factory automation sector . ABB is known for robotics and electrical solutions, while Electrical Siemens https://7bookmarks.com/story21814314/asea-brown-boveri-versus-siemens-versus-endress-hauser-versus-emerson-electric-a-comparison-at-industrial-automation-giants