DirectoryEngineering, Design & Construction ServicesSwitchback StaircaseAllstate Tower Inc. Easy assembly and installation OSHA-compliant Hot dipped galvanized construction Conserves space Clean look FacebookLinkedInX (Twitter)Pinterest Request More Info Fill out the form below to request more information about Switchback StaircaseMore From Allstate Tower Inc.CatwalksCatwalks, bridges, walk-through trusses and manwalksSuper StructureStandard and custom designs availableLeg Support Tower