"Leading" {"automation" "giants","players","leaders" ABB, Schneider Electric, Rockwell Automation (formerly Allen-Bradley), and Siemens often {"contend" "for" the {"position" of industrial "systems". ABB is https://omron518063.wikicorrespondence.com/7417722/abb_vs_schneider_electric_vs_rockwell_vs_siemens_a_comparison