Company manufactures enhanced type N Natural pozzolan--an additive for hyperstrength concrete and concrete products, stucco, jetcrete, shotcrete additives, and self-leveling cements

Commercial and Institutional Building Construction, Poured Concrete Foundation and Structure Contractors, Cement Manufacturing, Industrial Supplies Merchant Wholesalers

Crushed and Broken Limestone Mining and Quarrying, Poured Concrete Foundation and Structure Contractors, Structural Steel and Precast Concrete Contractors, Masonry Contractors, Drywall and Insulation Contractors

Carbon Black Manufacturing, All Other Basic Inorganic Chemical Manufacturing, All Other Basic Organic Chemical Manufacturing, Plastics Material and Resin Manufacturing, Synthetic Rubber Manufacturing

Other Crushed and Broken Stone Mining and Quarrying, Construction Sand and Gravel Mining, Industrial Sand Mining, All Other Nonmetallic Mineral Mining, New Single-Family Housing Construction (except Operative Builders)

Cement Manufacturing