Peter H. Williams

Washington Mills Group, Inc. manufactures and distributes of abrasive materials and fused mineral products. Its products are alumina bubble, and zircinia, brown fused aluminium oxide, cryolite, emery, ferro silicon, iron pyrite, magnesia chrome, silicon carbide, spinel, sulfur cake, ultra high purity silicon carbide, and zirconia. The company was founded in 1868 and is headquartered in North Grafton, MA.

Washington Mills Co., Inc. manufactures and distributes abrasive materials and fused mineral products. The company offers abrasive grains and specialty electro-fused minerals ranging from macro grits to micro grits and custom specialty fusions. Washington Mills was founded in 1868 and is headquartered in North Grafton, MA.