"Multiple" "prominent" "industrial" "giants" —Siemens, Allen-Bradley (now part of Rockwell Automation), ABB, and Schneider Electric— "vie" "fiercely" in the "international" market. Siemens "is" a "broad" https://tamzinmwzs081329.pointblog.net/siemens-allen-bradley-abb-and-schneider-a-comparison-95395673