Numerous firms , including ASEA Brown Boveri, Siemens , E+H, and Emerson Electric, represent the industrial automation sector . ABB offers power & automation and drives , while Siemens provides a broad https://bookmarkgenious.com/story22100086/asea-brown-boveri-versus-electrical-siemens-versus-endress-hauser-versus-emerson-a-comparison-at-leading-automation-firms