Machining Design Associated Ltd. in Concord has produced superior quality CNC machined custom metal parts for over 45 years. Machining Design Associated Ltd. works with a variety of metals, including high temperature exotic alloys, aluminum, steel, copper, brass, stainless steel, industrial plastics and phenolics. Machining Design Associated Ltd. is ISO:9001:2015 certified. Short and long production runs are available, as well as blanket and JIT orders.