Precision Marshall is a leading supplier of drill rod, deluxe tool steel, alloy plate and precision-ground flat stock. Product inventory includes Deluxe Pre-Machined Plate in 8 grades, Drill Rod in 7 standard grades and Ground Flat Stock in 10 standard grades. Our production operation is geared to “lightning turnaround,” so most orders are completed within 3 calendar days. Also accelerating delivery time is our comprehensive distributor network that serves customers throughout North America. Our headquarters are in Washington, PA, near Pittsburgh, and our National Distribution Center is in Bolingbrook, IL, near Chicago. We have been in business since 1948.