{"When" | "While" | "Considering" the landscape of industrial "automation" , four "giants" – Siemens, Allen-Bradley (now Rockwell Automation), ABB, and Schneider Electric – "often" surface. Siemens "usually" https://schneider967042.wikiannouncement.com/10922188/siemens_allen_bradley_abb_and_schneider_a_comparison