PRG is the premier large roll & cylindrical shaft grinding company in the Western Hemisphere. Our precision grinding, inspection and repair services Improve the precision and profitability of critical manufacturing, industrial and power generation processes. PRG has been recognized, by OEMs themselves, as the industry's best roll and shaft grinding service, delivering unbeatable roundness, concentricity and surface uniformity. Round, concentric precision-ground rolls don’t just benefit your critical processes or production -- the advantages impact profitability and long-term earnings. Using PRG, your customers will see less variability in their products, and the improved efficiency of their processes will mean quicker turnaround times. Round Equals Revenue when you choose Precision Roll Grinders. PRG has roll maintenance shops throughout the U.S., in Allentown, PA; Carrollton, GA; Lewisport, KY; and Texarkana, AR.