Several companies , including ASEA Brown Boveri, Electrical Siemens, E+H, and Emerson , lead the factory automation sector . ASEA Brown Boveri specializes in power & automation and motion control , while https://esocialmall.com/story7476715/abb-versus-electrical-siemens-versus-endress-hauser-versus-emerson-electric-a-comparison-at-industrial-automation-giants