ATW Companies offers a wide range of tubing, stamping, machining and metal injection molding services. Located in Warwick, R.I., the group of companies includes various subsidiaries, such as the A.T. Wall Company, the Judson A. Smith Company and the Parmatech Corporation. The A.T. Wall Company specializes in manufacturing a range of metal tubing and fabricated metal components for various applications. The Judson A. Smith Company specializes in tube fabrication, laser fabrication and machining. The Parmatech Corporation is one of the leading suppliers of custom-manufactured ceramic and metal injection-molded components. It follows the metal injection molding process that is a high-volume manufacturing process to produce parts. ATW Companies has a variety of tubing capabilities that include precious metal, nickel-iron alloy, sidewall frame, tantalum, niobium and general engineering tubing. It also has deep-drawn and coined parts stamping capabilities.