Quite a few firms , including ASEA Brown Boveri, Siemens , Endress+Hauser , and Emerson , dominate the process automation market. ASEA Brown Boveri offers power & automation and motion control , while Siemens https://social-galaxy.com/story7530091/abb-versus-siemens-versus-endress-hauser-versus-emerson-electric-a-look-at-industrial-automation-giants