Numerous companies , including ASEA Brown Boveri, Electrical Siemens, Endress+Hauser , and Emerson Electric, represent the process automation landscape . ASEA Brown Boveri offers power & automation and drives https://bookmarkspecial.com/story22144100/abb-versus-siemens-versus-e-h-versus-emerson-electric-a-look-at-leading-automation-firms