Numerous companies , including ASEA Brown Boveri, Electrical Siemens, Endress+Hauser , and Emerson , dominate the industrial automation market. ABB specializes in automated systems and motion control , https://nybookmark.com/story23929847/abb-versus-siemens-versus-endress-hauser-versus-emerson-electric-a-comparison-at-leading-automation-firms