Quite a few companies , including ASEA Brown Boveri, Siemens , Endress+Hauser , and Emerson , represent the factory automation sector . ASEA Brown Boveri is known for power & automation and drives , while https://socialtechnet.com/story7557323/asea-brown-boveri-versus-electrical-siemens-versus-e-h-versus-emerson-electric-a-look-at-industrial-automation-giants