The various forms of lead like lead sheets, lead plates, lead bricks, lead containers, lead glass, lead wool that are used for radiation shielding are manufactured by Medi-Ray™ Inc. If you need any radiation shielding products call them at 877.898.3003 for product quotes. For more details mail at [email protected] or fax at 914-337-4620. Visit our website at http://www.mediray.com/