Founded in 1868, family-owned Washington Mills manufactures abrasive grains and electro-fused mineral materials, including custom silicon carbide grains and powders, for industrial customers worldwide. From its Massachusetts headquarters, the company operates manufacturing facilities across North America and Europe and remains the oldest abrasive grain company in continuous operation in the United States. Washington Mills also develops custom fused materials in pilot furnaces and provides laboratory testing and recycling services alongside production.
EPA Standards Compliance
Compliance program
Continuous Emissions Monitoring System
Compliance program
U.S. Electrofused Minerals, IncEstablished in 1982, U.S. Electrofused Minerals manufactures and distributes industrial minerals, serving as the U.S. representative for Brazil-based Elfusa. The Aliquippa company specializes in fused aluminum oxides and silicon carbides, while also producing mineral grains and powders for abrasive, refractory, blasting and other industrial uses. As part of the family-owned Curimbaba Group, USEM works within an integrated network that includes mineral extraction, electric-furnace production and ISO 9001-certified sister companies.ALIQUIPPA, PA
BARTON InternationalFounded in 1878 by Henry Hudson Barton, BARTON International remains a family-owned manufacturer of garnet and mineral abrasives, mined and milled from the Adirondack Mountains for waterjet cutting, surface preparation, and other industrial uses. The company has adapted its nearly 150-year mining heritage to modern waterjet work, developing products such as its Adirondack HPX abrasive and supplying specialized waterjet parts alongside its abrasives. BARTON operates year-round Adirondack mining and milling operations and backs its products with a 100% quality guarantee.GLENS FALLS, NY
Flexovit USA, IncFounded in Angola, New York, in 1977, Flexovit USA manufactures professional-grade industrial abrasives for portable power tools and complementary applications. Still owned by founder Jay Iliohan, the company makes its products in Western New York and operates from a 100,000-square-foot complex modernized with automation and robotics in 2016. Flexovit became the first North American abrasive manufacturer to achieve ISO certification in 1995 and continues to support customers through technical expertise and same-day shipping.ANGOLA, NY
U.S. Electrofused Minerals, Inc. (USEM)Established in 1982, U.S. Electrofused Minerals is the U.S. manufacturing representative for Elfusa and a member of the family-owned Curimbaba Group. From Aliquippa, the company manufactures and distributes industrial minerals for manufacturers that rely on abrasive and refractory materials, combining a local U.S. operation with Curimbaba’s international production network.BUFFALO, NY