Specialty Granules

Specialty Granules LLC (SGI) is a leading U.S. manufacturer of roofing granules used in the production of asphalt shingles. The company generates revenue by supplying high-quality granules to major roofing manufacturers, ensuring durability and aesthetic appeal in residential and commercial roofing products. Founded in 1923, SGI has a long history of innovation and sustainability, with a strong focus on environmental stewardship and community engagement. The company operates multiple mining and manufacturing facilities across the United States, emphasizing quality control and customer satisfaction.

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