Numerous firms , including ABB , Electrical Siemens, Endress+Hauser , and Emerson , lead the process automation market. ASEA Brown Boveri is known for automated systems and electrical solutions, while https://ezmarkbookmarks.com/story22083713/asea-brown-boveri-versus-siemens-versus-e-h-versus-emerson-a-look-at-leading-automation-firms