Numerous firms , including ASEA Brown Boveri, Siemens , E+H, and Emerson , lead the industrial automation sector . ASEA Brown Boveri offers power & automation and motion control , while Electrical Siemens https://eternalbookmarks.com/story21768977/abb-versus-siemens-versus-endress-hauser-versus-emerson-a-comparison-at-industrial-automation-giants