Quite a few companies , including ASEA Brown Boveri, Electrical Siemens, E+H, and Emerson Electric, lead the factory automation sector . ASEA Brown Boveri is known for power & automation and drives , while https://thebookmarkfree.com/story22054660/abb-versus-electrical-siemens-versus-endress-hauser-versus-emerson-electric-a-comparison-at-industrial-automation-giants