CANNONBALL HNP, LLC - Cannonball HNP, LLC manufactures building components and accessories for the post/frame and metal building industry, building materials distributors, roll formers and lumber yards. Products include walk and sliding doors, cam latches, windows, track and trolley systems, ridge vents, cupolas, polycarbonate panels, Dutch doors, country sliders, aluminum & steel horse stalls, bubble insulation, ridge cover and more. The company possesses the manufacturing flexibility to offer customers custom sizes and colors for most of its product line, and is the original innovator and developer of the self-cleaning round track. Its track and trolley system for sliding doors offers a "lifetime warranty," and has set the standard against which all other sliding door systems are measured.