Custom steel stamps for marking jewelry

Harper Manufacturing Company, a small family business formerly based in Las Vegas, NV, is now located in Boise, Idaho and also does business as Steel Stamps Incorporated. We have over 25 years of experience in Custom Steel Stamps for marking jewelry, leather, knives, keys, clay, wood and a host of industrial applications. We manufacture in the U.S.A, one stamp at a time, with tool steel that is heat treated for proper hardness, deep cut, and precision machined by our skilled craftsman. Harper Manufacturing produces all stamps to your specifications.