Several firms , including ABB , Electrical Siemens, Endress+Hauser , and Emerson Electric, represent the process automation market. ABB specializes in robotics and motion control , while Electrical Siemens https://icelisting.com/story23279253/asea-brown-boveri-versus-electrical-siemens-versus-e-h-versus-emerson-a-comparison-at-industrial-automation-giants