Tech-Max Machine Inc. specializes in precision CNC (computer numerical control) machining of large parts. The firm offers CNC turning, milling, boring, wire EDM (Electric discharge machining) and mechanical assembly services. In addition, it provides secondary services, including heat treating, surface treatments, processes and welding. Located in Itasca, Ill., the firm caters to the needs of its customers operating through a 40,000-square-foot facility. Tech-Max Machine Inc. is an approved vendor for companies, such as National Oilwell Varco, Parker Hannifin, Cameron Valve & Measurements, Kellogg, Baker Hughes, Flowserve and Terex.