Several firms , including ABB , Electrical Siemens, Endress+Hauser , and Emerson , lead the factory automation market. ASEA Brown Boveri specializes in robotics and electrical solutions, while Siemens https://bookmarkahref.com/story21949053/abb-versus-siemens-versus-endress-hauser-versus-emerson-electric-a-look-at-leading-automation-firms