AT&F Is Your Nuclear Metals Service Center Posted by admin on August 4, 2010 For qualified nuclear materials needs, AT&F Nuclear is the proven source. The market relies on us for everything from replacement parts to finished nuclear fabrications for new builds. AT&F Nuclear specializes in nuclear material supply and upgrade services as a material organization. We hold seven ASME quality stamps, including the oldest “U” stamp in existence. Read more at www.atfnuclear.com. AT&F Nuclear is a fully-owened subsidary of AT&F Co.