Founded over 30 years ago, Ohio Precious Metals (OPM) continues to provide our customers with outstanding service at reasonable prices. Located in America's Heartland, OPM is committed to fast and cost-effective service to many different industries and their varied needs. We are proud of our efficient processes for refining gold, silver, platinum, and palladium. OPM's customers are in many industries: jewelry, photographic, electronics, mining, secondary refining/collecting, and banking.