Numerous companies , including ABB , Electrical Siemens, E+H, and Emerson Electric, represent the factory automation landscape . ABB specializes in automated systems and drives , while Electrical Siemens https://bookmarkchamp.com/story21896242/abb-versus-electrical-siemens-versus-endress-hauser-versus-emerson-electric-a-comparison-at-leading-automation-firms