Filius provides business/management and production operations and overhead activities to Ogden Air Logistics Complex (OO-ALC) Maintenance Groups, 309 Aerospace Maintenance and Regeneration Group (AMARG), Davis Monthan Air Force Base (AFB), AZ, Randolph AFB, TX, and other Geographically Separated Units (GSUs). Filius supports business/management and production operations for depot maintenance with planners, schedulers, production support technicians, production material technicians, analysts, and other similar functions.