Pittsburgh Plug and Products, Corp. is one of the leading contract manufacturers for the automotive industry in the United States. Steel, brass and aluminum are the common metals that are used for the fabrication of the products, commonly used in pan plug, combustion engines and similar applications. Its products are QS-9000 certified. Some of the major clients of the company are Ford, General Motors and Chrysler Corporation. Pittsburgh Plug and Products, Corp. is located in Evans City, Pa.