Operational since 1934, Minneapolis Washer & Stamping Inc. is a provider of washers, spacers and specialty stampings. Based in Minneapolis, Minn., the company offers specialization in stamping flat round washers, special washers, standard washers, fender washers, shims, spacers, belleville washers, bushings, single wave washers, etc. It uses various materials, including mild steel, spring steel, aluminum, brass, stainless steel, copper, nylon, nickel silver and many more. In addition, the firm offers finishing/secondary services, such as in-house de-burring, grinding and tapping/chamfering. Minneapolis Washer & Stamping Inc. is ISO 9001:2000 certified.