Profile: Quantum Metal Building Systems is a pre-engineered metal building manufacturer. We manufacture metal buildings for commercial, agricultural, residential, equestrian, aviation and other applications. Our designing & engineering specialists utilize a state-of-the-art software system to design & build clear span and column structures with virtually no size restrictions. Our building features 25-year warranty signature 200 siliconized polyester 26 GA siding & roofing, maintenance-free I beam steel frame straight or tapered for strength & durability, and new line interior drywall finishing capability.