Advex Corporation, headquartered in Hampton, Virginia, is one of the premier metal manufacturing companies on the East Coast. ... Customer base includes manufacturing for HII-NNS, BAE Systems, NASA and direct to Government articles. Specialities include precision CNC machining, weldment manufacture with precision machining, heavy metal manufacturing to thirty tons, light metal manufacturing(sheet metal products) and Non Destructive Inspection(RT,MT,PT,MT,Visual and Eddy Current) both on site and off site. read more