"Four" "leading" "automation" "players"—Siemens, Allen-Bradley (now part of Rockwell Automation), ABB, and Schneider Electric—"compete" "fiercely" in the "global" market. Siemens "is" a "broad" range of https://lancearos304699.activoblog.com/54646904/siemens-allen-bradley-abb-and-schneider-a-comparison