Numerous entities, including ABB , Siemens , Endress+Hauser , and Emerson , dominate the factory automation sector . ABB specializes in automated systems and drives , while Electrical Siemens delivers a https://1001bookmarks.com/story21810313/asea-brown-boveri-versus-siemens-versus-e-h-versus-emerson-electric-a-comparison-at-industrial-automation-giants