Several firms , including ABB , Siemens , Endress+Hauser , and Emerson Electric, represent the process automation market. ABB is known for automated systems and drives , while Electrical Siemens features a https://bookmarkalexa.com/story7690376/asea-brown-boveri-versus-siemens-versus-endress-hauser-versus-emerson-a-comparison-at-industrial-automation-giants