Numerous firms , including ABB , Electrical Siemens, E+H, and Emerson Electric, dominate the industrial automation sector . ABB is known for power & automation and drives , while Electrical Siemens https://1001bookmarks.com/story21810313/asea-brown-boveri-versus-siemens-versus-e-h-versus-emerson-electric-a-comparison-at-industrial-automation-giants