"Major" {"control" "giants","players","leaders" ABB, Schneider Electric, Rockwell Automation (formerly Allen-Bradley), and Siemens often {"compete" "in" the {"position" of industrial "technologies". ABB is {"known https://drives055197.wikicommunications.com/8209221/abb_vs_schneider_electric_vs_rockwell_vs_siemens_a_comparison