The trade federation droid army
The Separatist Droid Army, also referred to as the CIS droid army, Separatist Army, droid army or as the droid armies, was the ground army force of the Confederacy of Independent Systems during the Clone Wars, and was part of the Confederacy military. The army was mostly built by Baktoid Combat Automata and led by the Kaleesh cyborg General Grievous.