HALL is a diversified manufacturing, custom design & engineering company that has served the aviation industry for 40+ years. Hall specializes in PCAT "Load Bank", PCAT Aircraft Flow Tester", Pantographs, Aircraft Inlet Adapters, Tow Bars, GSE Repair & Overhaul Services, Facilities & GSE Maintenance Services, GSE & PBB Solid Tires, GSE Aftermarket Parts, PCA Handling Systems, 14” PCA Hose, Powered Reels, Tail Support Stand for use with the Boeing 737-800/900/900ER, LayFlat Ducting.