Several firms , including ABB , Siemens , Endress+Hauser , and Emerson Electric, dominate the process automation landscape . ABB offers power & automation and electrical solutions, while Siemens provides a https://greatbookmarking.com/story21985000/asea-brown-boveri-versus-electrical-siemens-versus-e-h-versus-emerson-electric-a-comparison-at-industrial-automation-giants