Specialty Granules

Specialty Granules LLC (SGI) is a well-established aggregates and mining company based in Hagerstown, Maryland, with nearly 100 years of experience in the North American building materials industry. The company employs over 600 people and has seen growth in its workforce recently. SGI is recognized for its commitment to quality and innovative solutions. SGI specializes in manufacturing a range of products, including semi-ceramic coated, colored mineral granules for the roofing industry, which are essential for asphalt roofing shingles. The company also supplies building materials for infrastructure projects and produces soil amendments to enhance agricultural soils. SGI's products are used in over 2.1 million homes across North America each year, highlighting its significant impact in the sector. The company has received 22 awards for safety and environmental excellence, showcasing its dedication to operational safety and sustainability. With an estimated annual revenue of around $66.3 million, SGI demonstrates stability and efficiency in its operations.