Numerous firms , including ASEA Brown Boveri, Siemens , Endress+Hauser , and Emerson , represent the process automation landscape . ASEA Brown Boveri is known for power & automation and electrical solutions, https://socialicus.com/story7476584/asea-brown-boveri-versus-electrical-siemens-versus-e-h-versus-emerson-electric-a-comparison-at-leading-automation-firms