Kline Associated Roofing Contr, 400 Forest Dr, Hagerstown, MD 21740, US

Specialty Granules LLC (SGI) is a leading mining and mineral processing company headquartered in Hagerstown, MD. With over 100 years of experience, SGI specializes in developing roofing products, building materials, and soil amendments for agriculture, consistently exceeding customer expectations through innovative thought and sustainable leading-edge technologies. SGI's high-quality materials improve lives by protecting homes with asphalt roofing shingles, making roads and construction projects sound with their building materials, and promoting healthy soils with their agricultural products. With a team of scientists and technical specialists, SGI is dedicated to innovating for the future and providing superior service to customers nationwide.Generated from the website