Walker Die Casting, Inc., Aluminum Casting, Part & Tooling Design, Machining Operations, NADCA Die Casting Winner aluminum casting, die casting, aluminum, transmission housings, aluminum automotive parts, NADCA, machining operations, shotscope monitoring, cnc machining, part impregnation, large die casting, trim presses, part design, tooling design, CAD modeling, casting engineering Walker Die Casting offers aluminum casting design and development up to 100 pounds, part and tooling design, and complete machining services.