The Copper Development Association Inc. is the market development, engineering and information services arm of the copper industry, chartered to enhance and expand markets for copper and its alloys in North America.  Membership in CDA is open to copper producers worldwide and to brass mill, wire mill and foundry fabricators of copper and copper alloys with production facilities in the USA.  Membership provides the opportunity to be part of an industrywide market development and technical service program so large and diverse that no one company would be prepared to undertake it alone.