Grand Valley Mfg. (GVM) is a family-owned job machine shop that has been in business in the Titusville, Pa area since 1950. GVM has expertise in diverse workscopes. We do CNC and manual machining on long, large and heavy parts up to 72 inch diameter, up to 75 foot lengths, up to 200,000 pounds. We also do large CNC and manual milling. And we can machine small parts in large quantities. We machine steel as well as stainless, Inconel, titanium and other exotic metals.