Quite a few firms , including ABB , Siemens , Endress+Hauser , and Emerson , represent the process automation market. ASEA Brown Boveri offers power & automation and motion control , while Siemens features a https://social-galaxy.com/story7536616/asea-brown-boveri-versus-electrical-siemens-versus-e-h-versus-emerson-a-comparison-at-industrial-automation-giants