Washington Mills' growth strategy has always been aimed at serving our customers better. Our internal growth and strategic acquisitions have strengthened our business and yours through: increasing production capacity, diversifying our product line, investing in research and development and advancing total process control. We are proud of our subsidiaries and the value they bring to our business and yours.
Washington Mills Hennepin, Inc. (formerly known as The Exolon Company) is widely recognized as a world leader in the production and distribution of silicon carbide for the abrasive, metallurgical and ceramic industry. Washington Mills long-standing reputation for excellence and premium grade silicon carbide make Washington Mills a trusted supplier. As one of the largest producers of silicon carbide in the world and the only producer of silicon carbide in the United States, Washington Mills feels a strong sense of responsibility to our customers and to the planet it shares. Its investment in a sulfur gas removal process makes Washington Mills one of the most sophisticated, environmentally safe silicon carbide plants in the world.
Washington Mills AS (formerly known as Orkla Exolon) is a highly efficient and dependable producer of high quality silicon carbide crude and micro grits. Located in Orkanger, Norway, Washington Mills AS has an integrated plant for both the manufacturing and processing of silicon carbide crude ore, and macro and micro grains. Its advanced micro grit technology and capabilities has garnered Washington Mills a sterling and well-earned reputation as an exceptional supplier of silicon carbide micro grits to the semiconductor, photovoltaic and advanced ceramic industry.

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As a pioneer in the ceramic tumbling media industry, Washington Mills Ceramics is “your best start to a great finish”. Located in Sun Prairie Wisconsin, Washington Mills Ceramics produces pre-formed ceramic media of all sizes, shapes and types that are unrivaled in the industry. Washington Mills Ceramics procures its abrasive grain directly from Washington Mills, making it the only media manufacturer that is uniquely positioned to guarantee self-source priority and quality control of its basic ingredients right from the start. Washington Mills Ceramics' skilled technicians have a well-equipped mass finishing laboratory on premise and work with customers to find ways of improving their results, productivity, and cost-per-part as part of our customer service. A State-of-the-art ceramic media production facility, skilled R&D technicians and raw material plants in the U.S, Canada, and the U.K, make Washington Mills Ceramics well equipped to serve the most demanding needs of diverse customers worldwide.