Washington Mills has grown exponentially since its humble beginnings – today it employs about 600 employees, serves thousands of customers worldwide, and stands as one of the largest producers of fused minerals in the world. Over 150 years of industry experience ensures that Washington Mills manufactures a top of the line product and provides service that reflects our expertise. Through its commitment to the industry and its goals of internal growth and strategic acquisitions, Washington Mills offers the broadest selection of abrasive grain and specialty electro-fused minerals available in the market today.