IEE Services with GE Fanuc Proficy & Activplant Corporation Production Software can improve schedule execution accuracy, manage in-process inventory, genealogy and real-time tracking. GE Fanuc Proficy Production Software shows how products flow through your plant so you can improve schedule execution accuracy and manage in-process inventory. Genealogy reports and real-time tracking help make plant operations more responsive so you can keep closer tabs on orders and production output.